US1456041A - Door lock - Google Patents

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Publication number
US1456041A
US1456041A US373042A US37304220A US1456041A US 1456041 A US1456041 A US 1456041A US 373042 A US373042 A US 373042A US 37304220 A US37304220 A US 37304220A US 1456041 A US1456041 A US 1456041A
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United States
Prior art keywords
housing
latch
lock
spindle
door
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Expired - Lifetime
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US373042A
Inventor
Walter R Schlage
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SCHLAGE Manufacturing Co
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SCHLAGE Manufacturing Co
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Priority to US373042A priority Critical patent/US1456041A/en
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Publication of US1456041A publication Critical patent/US1456041A/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00Fastening devices with bolts moving rectilinearly
    • E05C1/08Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/16Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing or frame
    • E05C1/163Cylindrical or tubular latches
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0977Cam
    • Y10T292/0989Plural rollback elements directionally selectively effective
    • Y10T292/0991On a tubular member
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/62Bolt casings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/88Knob bearings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/91Knob rose plates

Definitions

  • Tor/ZZ inkom. t may concer-n: y
  • This invention relates to a lock and especially to a lock adapted for closet and bath room doors and the like.
  • One of the objects of the present invention is to provide a f simple, substantial, cheaply manufactured lock for closet, bath room, bed room and like doors, and particularly a lock employing a unit housing which contains the entire lock mechanism and which may be readily installed without cutting away an excess of the woodwork or otherwise weakening the door structure.
  • Another object of the invention is to provide a lock which requires a minimum of fitting and adjustment when installed and which will fit practically any standard door even though the thickness of the same may vary considerably.
  • Another object of the invention is to provide a lock housing. which is cylindrical in cross section and which is secured to the door from one slide only; further to provide a latch projecting and retracting spindle which is permanently supported in fixed journals in opposite ends of the lock housing, thereby' permitting the use vof spindles of fixed length and eliminating the necessity of adjusting the knobs.
  • Fig. 1 is acentral plan section showing the lock applied to the door.
  • Fig. 2 is a vertical cross section of the lock taken on line 2 2, Fig. 3.
  • Fig. 3 is a perspective view Vof the lock showing the knobs removed.
  • FigQl is ai. perspective view of the lock spindle and barrel. j
  • Fig. 5 is a perspective view of the latch.
  • a lock housing of unit constru indicates a lock housing of unit constru and the opposite end by an escutcheon plate 3.
  • a knob supporting spindle 4 Extending through the plates 2 and 3 is a knob supporting spindle 4, on the opposite ends of which are suitably secured knobs 5.
  • a spindle barrel Formed 'on the central portion of the spindle is a spindle barrel consisting of a pair of plates 6 and 7, which are connected by means of three or more arms 8, 9
  • the spindle barrel is provided for tracted by means of the spindle barrel or l the arms 9 and 10 carried thereby.
  • the latch 14 is provided with a channel shaped extension l5 and a pair of an ularly disposed arms 16 which terminate 1n hook-like projections 17. These projections are engaged by the arms 9 and 10 and turnin movement transmitted to the spindle 4 an the barrel carried thereby will therefore retract the latch regardless of whether the spindle is turned in one direction or an# other. For instance if the spindle is turned lin the direction of arrow a (see Fig. 2)
  • the latch is under all conditions normally projected by means of a spring 18 disposed within the channel member 15 and interposed between the latc 14 and a stop member 19 formed in the lock housing.
  • the entire mechanism consists of the cylindrical housing A, the spindle-4, upon which is formed the barrel, v the latch 14 kwith its extending arms 16 and the spring 18.
  • the mechanism is therefore exceedingly simple in view of the .fact that comparatively few parts are emv loyed, and also in view of the fact thatal parts are positively inclosed and compagtly arrange
  • the lock proper when applied is installed vin. the following manner: A hole is first drilled through the door with an auger or suitable tool, the hole beingl of a diameter which vwill permit the cylindrical casing A to fit snugly therein.
  • the inner face of the door isthen channeled to receive the housing l2 and the entire operation is ⁇ thus com leted.
  • the lock is next applied by inserting the cylindrical housing and forcingit inwardlv until the escutcheon plate 3 engages the face of the door. It is here secured by screws passino' through openings 20 and -a second set of screws 'passing through openings 2l formed in the latch late.
  • the lock housing A is always sufeiently long to project a slight distance through the opposite side of the door and it is therefore desirable to employ a finishing escutcheon plate which is merely .em-
  • This plate 1 s similar in shape to that indicated at 3 and is applied by slipping it endwise over the lock housing as indicated at 22, it being here secured bv screws or similar means.
  • the escutcheon plate l22 in no way secures the lock as removal of the screws passinof through the openings 20 and 21 permits the entire mechanism to be removed, and its use is therefore only ornamental. l
  • rlhe present lock is exceedingly simple and compact in construction and embodies several novel features, first a unit housing cylindrical in cross section and adapted to contain the entire lock mechanism. Second, a lock housing in which the spindle is journalled in permanent bearings formed at each end thereof, that is in the plates 2 and 3. Third a spindle which is locked against endwise movement with relation to the fixed plates 2.and 3, due'to the fact that the discs 6 and 7 of the spindle barrel are of larger diameter thanthe openings through which the spindle proper projects. Fourth, ,alock housing which is adapted to be secured from one side only. Fiftlna lock housing which may be installed without cutting away an excess of the wood work or otherwise weakening the door structure,
  • a lock which is. adapted to fit practically any lstandard door Veven though the thickness of y :tatami be s oken of as a unit lock as it is complete y assembled before installed and is in .of the housino and ⁇ also adapted t ⁇ o be secured to the door, a spindle extending through the irst named escutcheon plate and the closed end of the housing and journaled in said respective members, a latch carried by the housing, and means actuated by thespindle for. retracting and extending the latch.
  • a'lo'ek of the character described a cylindrical shaped elongated housing open at one end and closed at the other, said housing adapted to project through the door in which it is mounted, a latch housing forming an integral part of the cylindrical housingv and disposed at right angles thereto, an escutcheon plate forming a'closure for the open end of the cylindrical housing and the latch housing, one end of said ⁇ plate being -bent to also form a closure for the end of the latch vhousingfmeans for securingsaid plate'to the face and tothe end of the door,
  • a latch slidably mounted in the latch housing, a spindle supported in the cylindrical housing, and means actuated by said spindle for retracting or extending the latch.
  • a cylindrical'shaped elongated housing closed at one end and open at the other, a latch housing substantially square in cross section disposed at right angles to the cylindrical shaped housing and forming an integral part thereof, an escutcheon plate adapted to form a cover forone side of the latch housing and the open end of the cylindrical housing, an escutcheon plate for the other side of the door slidable upon the closed end of the cylindrical housing, a spindle through the cylindrical housing and journ-aled at one end in the closed portion of the cylindrical housing and at the opposite end in the escutcheon plate forming a closure therefor, a latch slidable in the. latch extending housing, and connecting means between the ⁇ end which projects through the door, an escutcheon plate adapted to form a cover forone side of the latch housing and the open end of the cylindrical housing, an escutcheon plate for the other side of the door slidable upon the closed end of the cylindrical housing, a spindle through the cylindrical housing and journ-aled at
  • a housing being substantially square m cross section and disposed at right angles to the longitudinal axis of the cylindrical housing, said' latch housing being open at one side and both ends, an escutcheon plate forming a closure for4 the open'end of the cylindrical Yhousing and also for one side and one end of the latch housing, a latch slidable in a latch housing and having one end projecting into the cylindrical housing, and a spindle supported by the cylindrical hpusing adapted to actuate the latch.
  • a lock a cylindrical-shaped, elongated housing, an escutcheon plate on one end of the housing supporting the same and j adapted to secure the housing to a door, .the opposite end of the housing projecting through the door, a plate forming a closure for the opposite end of the housing which projects through the door, a spindle extending through the housing and both plates and journaled in the plates, a latch carried by the housing, a palr of varms on the latch, a hook-like projection on each arm, and a pair of arms carrled by the spindle engageable with the hook-like projections to retract the l latch.
  • a cylindrical-shaped, lelongated housing an escutcheon plate on one end of the housing supporting the same and adapted to secure the housing'to a'door, the opposite end of the housing projecting through the door, a plate forming a closure for the opposite end of the housing which projects through the door, a spindle extendlng through the housing and both plates and journaled in the plates, a latch .carried by the housing, a pair of 'arms on the latch, a hook-like projection on each arm, a pair of arms carried by the spindle engageable with the hook-like projections to retract the latch,
  • said spring being interposed between the latch proper and the lock housing and adapted to normally project the latch.
  • a lock a cylindrical-shaped, elongated housing, a pair of plates, one at each end thereof, enclosing the housing, one of said plates adaptedto secure the lock to 1a door and said housing being suiiiciently long to project through the opposite face of the door, a s indle projectingV through the plates and -t e housing' and journaled tuated byr the spindle the'rima pair f plaatsen um spindle with; in the housing securing the spindle against' Y endwise movement, arms connecting lsaid plates, a latch carried by vthe housing,- and means on the -latch engageable with'the spindle arms.
  • a cylindrical-shaped, elongated housing a palr of'plates, one at each end thereof, enclosing the housin onel of said plates adapted to secure the ock to a door and said housin beingsuliciently'long to project through t e opposite-face of the door, a spindle projecting throu h the platea 'and the housing and journale therein, a pair of plates on the spindle within the housing lsecuring Vthe spindle against ⁇ endwise movement, arms connecting said plates, a projection on the lock-securing late, a latch plate on said projection, a lato housing secured to the latch plate and projection and communicating with the interior of the cylindrical housing, a latch slidably mounted in the latch housing and latch plate, a
  • a cylindrical-shaped, elongated housing apair of plates, one at each end thereof, enclosing the housing, one of said plates adapted to secure the lock to a door and said housing being suiliciently long to project through the opposite face of the door, a spindle projectingthrough the platos andthe housing' and journaled therein, a pair of pla-tes on the spindle within the housing securing the splndle against endwise movement, arms connecting projection on the lock-securing plate, a latch plate on said projection, a latch housing secured to the latch late and projection and communicating wit the interior of the cylindrical housing, a'latch slidably mounted in the latch housing and latch, plate, a pair of projecting arms secured to the latch and said plates, a
  • a lock a housing having an open end, an escutcheon pla-te for closing the open end of the housing and having an extension thereon, a latch casing inte ral with the i housing, open on one side, an closed by the said extension, a latch, and means carried 15 by the extension for guiding the latch.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Description

May 22, 1923. 1,456,041
' w. R. scHLAGE DOOR LOCK Y 3 s .y M JL) f --1 1N VEA/TOR mum/2 p. scf/M 0E.
By M I A TTORNE Y May z2, 1923.
W. R. SCHLAGE DOOR LOCK Filed April 12, 1920 2 Sheets-Sheet 2 IN VEN TOR V WLTEP ZP. SCHL/10E,
Y A TTORNE Y Patented May 22, 1923. l
'UNITED STATES PATENT orsi-CE.
WALTER R.. SCHLAGE, OF BERKELEY, GALIFORNIA, ASSIG-NOR TO SCHLAGE MANU- FAC'IURING COMPANY, OF SAN FRANCISCO, CALIFORNIA, A CORPORATION OF GALI- FORNIA.
DOOR LOCK.
Application led April 12, 1920. A* Serial No. 373,042..
Tor/ZZ inkom. t may concer-n: y
Bc it known that I, lVALTER R. SCHLAGE,
l a citizen of the United States, residing at Berkeley, in the county of Alameda and State of California, have invented a new and useful Improvement in Door Locks, of which the following is a'speciication.
This invention relates to a lock and especially to a lock adapted for closet and bath room doors and the like.
One of the objects of the present invention is to provide a f simple, substantial, cheaply manufactured lock for closet, bath room, bed room and like doors, and particularly a lock employing a unit housing which contains the entire lock mechanism and which may be readily installed without cutting away an excess of the woodwork or otherwise weakening the door structure.
Another object of the invention is to provide a lock which requires a minimum of fitting and adjustment when installed and which will fit practically any standard door even though the thickness of the same may vary considerably.
Another object of the invention is to provide a lock housing. which is cylindrical in cross section and which is secured to the door from one slide only; further to provide a latch projecting and retracting spindle which is permanently supported in fixed journals in opposite ends of the lock housing, thereby' permitting the use vof spindles of fixed length and eliminating the necessity of adjusting the knobs.
Further objects will hereinafter appear.
The invention consists of the parts and the construction, combination and arrangement of parts as hereinafter more fully'described. and claimed, having reference to' the accompanying drawings, in whichv Fig. 1 is acentral plan section showing the lock applied to the door.
Fig. 2 is a vertical cross section of the lock taken on line 2 2, Fig. 3.
Fig. 3 is a perspective view Vof the lock showing the knobs removed.
FigQl is ai. perspective view of the lock spindle and barrel. j
Fig. 5 is a perspective view of the latch.
Referring to the drawings in detail, A
indicates a lock housing of unit constru and the opposite end by an escutcheon plate 3. Extending through the plates 2 and 3 is a knob supporting spindle 4, on the opposite ends of which are suitably secured knobs 5. Formed 'on the central portion of the spindle is a spindle barrel consisting of a pair of plates 6 and 7, which are connected by means of three or more arms 8, 9
and 10. The spindle barrel is provided for tracted by means of the spindle barrel or l the arms 9 and 10 carried thereby. .The latch 14 is provided with a channel shaped extension l5 and a pair of an ularly disposed arms 16 which terminate 1n hook-like projections 17. These projections are engaged by the arms 9 and 10 and turnin movement transmitted to the spindle 4 an the barrel carried thereby will therefore retract the latch regardless of whether the spindle is turned in one direction or an# other. For instance if the spindle is turned lin the direction of arrow a (see Fig. 2)
arm 9 will engage one of the hook-like projections and thereby retract the latch, while if movement is transmitted to the spindle and barrel in the direction of arrow b, the opposite arm l0 will enga e one of the hook-.like projections and t ereby retract the latch. The latch is under all conditions normally projected by means of a spring 18 disposed within the channel member 15 and interposed between the latc 14 and a stop member 19 formed in the lock housing.
The entire mechanism consists of the cylindrical housing A, the spindle-4, upon which is formed the barrel, v the latch 14 kwith its extending arms 16 and the spring 18. The mechanism is therefore exceedingly simple in view of the .fact that comparatively few parts are emv loyed, and also in view of the fact thatal parts are positively inclosed and compagtly arrange The lock proper when applied is installed vin. the following manner: A hole is first drilled through the door with an auger or suitable tool, the hole beingl of a diameter which vwill permit the cylindrical casing A to fit snugly therein. The inner face of the door isthen channeled to receive the housing l2 and the entire operation is`thus com leted. The lock is next applied by inserting the cylindrical housing and forcingit inwardlv until the escutcheon plate 3 engages the face of the door. It is here secured by screws passino' through openings 20 and -a second set of screws 'passing through openings 2l formed in the latch late. The lock housing A is always sufeiently long to project a slight distance through the opposite side of the door and it is therefore desirable to employ a finishing escutcheon plate which is merely .em-
loyed for appearances. This plate 1s similar in shape to that indicated at 3 and is applied by slipping it endwise over the lock housing as indicated at 22, it being here secured bv screws or similar means. rThe escutcheon plate l22 in no way secures the lock as removal of the screws passinof through the openings 20 and 21 permits the entire mechanism to be removed, and its use is therefore only ornamental. l
rlhe present lock is exceedingly simple and compact in construction and embodies several novel features, first a unit housing cylindrical in cross section and adapted to contain the entire lock mechanism. Second, a lock housing in which the spindle is journalled in permanent bearings formed at each end thereof, that is in the plates 2 and 3. Third a spindle which is locked against endwise movement with relation to the fixed plates 2.and 3, due'to the fact that the discs 6 and 7 of the spindle barrel are of larger diameter thanthe openings through which the spindle proper projects. Fourth, ,alock housing which is adapted to be secured from one side only. Fiftlna lock housing which may be installed without cutting away an excess of the wood work or otherwise weakening the door structure,
and which may be applied with a minimum of adjustment and fitting. ixth, a lock which is. adapted to fit practically any lstandard door Veven though the thickness of y :tatami be s oken of as a unit lock as it is complete y assembled before installed and is in .of the housino and` also adapted t`o be secured to the door, a spindle extending through the irst named escutcheon plate and the closed end of the housing and journaled in said respective members, a latch carried by the housing, and means actuated by thespindle for. retracting and extending the latch. v
2. ln a'lo'ek of the character described a cylindrical shaped elongated housing open at one end and closed at the other, said housing adapted to project through the door in which it is mounted, a latch housing forming an integral part of the cylindrical housingv and disposed at right angles thereto, an escutcheon plate forming a'closure for the open end of the cylindrical housing and the latch housing, one end of said `plate being -bent to also form a closure for the end of the latch vhousingfmeans for securingsaid plate'to the face and tothe end of the door,
a latch slidably mounted in the latch housing, a spindle supported in the cylindrical housing, and means actuated by said spindle for retracting or extending the latch.
3. In a door lock of the character described 'a cylindrical'shaped elongated housing closed at one end and open at the other, a latch housing substantially square in cross section disposed at right angles to the cylindrical shaped housing and forming an integral part thereof, an escutcheon plate adapted to form a cover forone side of the latch housing and the open end of the cylindrical housing, an escutcheon plate for the other side of the door slidable upon the closed end of the cylindrical housing, a spindle through the cylindrical housing and journ-aled at one end in the closed portion of the cylindrical housing and at the opposite end in the escutcheon plate forming a closure therefor, a latch slidable in the. latch extending housing, and connecting means between the `end which projects through the door, an
housing being substantially square m cross section and disposed at right angles to the longitudinal axis of the cylindrical housing, said' latch housing being open at one side and both ends, an escutcheon plate forming a closure for4 the open'end of the cylindrical Yhousing and also for one side and one end of the latch housing, a latch slidable in a latch housing and having one end projecting into the cylindrical housing, and a spindle supported by the cylindrical hpusing adapted to actuate the latch.
6. In` a lock, a cylindrical-shaped, elongated housing, an escutcheon plate on one end of the housing supporting the same and j adapted to secure the housing to a door, .the opposite end of the housing projecting through the door, a plate forming a closure for the opposite end of the housing which projects through the door, a spindle extending through the housing and both plates and journaled in the plates, a latch carried by the housing, a palr of varms on the latch, a hook-like projection on each arm, and a pair of arms carrled by the spindle engageable with the hook-like projections to retract the l latch.
7. In a lock, a cylindrical-shaped, lelongated housing, an escutcheon plate on one end of the housing supporting the same and adapted to secure the housing'to a'door, the opposite end of the housing projecting through the door, a plate forming a closure for the opposite end of the housing which projects through the door, a spindle extendlng through the housing and both plates and journaled in the plates, a latch .carried by the housing, a pair of 'arms on the latch, a hook-like projection on each arm, a pair of arms carried by the spindle engageable with the hook-like projections to retract the latch,
and a spring positioned between the arms,
said spring being interposed between the latch proper and the lock housing and adapted to normally project the latch.
8. ln a lock, a cylindrical-shaped, elongated housing, a pair of plates, one at each end thereof, enclosing the housing, one of said plates adaptedto secure the lock to 1a door and said housing being suiiiciently long to project through the opposite face of the door, a s indle projectingV through the plates and -t e housing' and journaled tuated byr the spindle the'rima pair f plaatsen um spindle with; in the housing securing the spindle against' Y endwise movement, arms connecting lsaid plates, a latch carried by vthe housing,- and means on the -latch engageable with'the spindle arms. y
9. In a lock, a cylindrical-shaped, elongated housing, a palr of'plates, one at each end thereof, enclosing the housin onel of said plates adapted to secure the ock to a door and said housin beingsuliciently'long to project through t e opposite-face of the door, a spindle projecting throu h the platea 'and the housing and journale therein, a pair of plates on the spindle within the housing lsecuring Vthe spindle against` endwise movement, arms connecting said plates, a projection on the lock-securing late, a latch plate on said projection, a lato housing secured to the latch plate and projection and communicating with the interior of the cylindrical housing, a latch slidably mounted in the latch housing and latch plate, a
pair of projecting arms secured to the latch and extending through the latch housin and `hook-like projections on the inner en of said arms engaging the spindle arms.
10. In a lock, a cylindrical-shaped, elongated housing, apair of plates, one at each end thereof, enclosing the housing, one of said plates adapted to secure the lock to a door and said housing being suiliciently long to project through the opposite face of the door, a spindle projectingthrough the platos andthe housing' and journaled therein, a pair of pla-tes on the spindle within the housing securing the splndle against endwise movement, arms connecting projection on the lock-securing plate, a latch plate on said projection, a latch housing secured to the latch late and projection and communicating wit the interior of the cylindrical housing, a'latch slidably mounted in the latch housing and latch, plate, a pair of projecting arms secured to the latch and said plates, a
extending through the latch housing, hookj 11. lIn a lock o the character described,-
the combination with the cylindrical housing, of-a pairof plates turnably mounted therein, arms connecting said plates, a spindle projection on each plate, a knobon each spindle projection, a latch, and means acthe combination with the cylindrical. housing, of a pair of plates turnably mounted plate connecting arms v las therein, arms connecting said platesga spindle projection on each plate, a knob onY each spindle projection, a latch, a pair of arms" on the latch, and a hook-shaped member on `latch housing and means for securing the housing to a door.
14. lin a lock, a housing having an open end, an escutcheon pla-te for closing the open end of the housing and having an extension thereon, a latch casing inte ral with the i housing, open on one side, an closed by the said extension, a latch, and means carried 15 by the extension for guiding the latch.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
WALTER R. SCHLAGE.
W'itnesses `W. W. HEALEY,
M. E. EWING.
US373042A 1920-04-12 1920-04-12 Door lock Expired - Lifetime US1456041A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727773A (en) * 1953-06-24 1955-12-20 Safe Padlock And Hardware Comp Door latch
DE1126766B (en) * 1956-04-28 1962-03-29 Lockwood Hardware Mfg Co Cylindrical mortise lock
US3220231A (en) * 1962-12-05 1965-11-30 Nat Lock Co Door lock mechanism
US3792886A (en) * 1972-06-02 1974-02-19 Acme General Corp Two way door latch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727773A (en) * 1953-06-24 1955-12-20 Safe Padlock And Hardware Comp Door latch
DE1126766B (en) * 1956-04-28 1962-03-29 Lockwood Hardware Mfg Co Cylindrical mortise lock
US3220231A (en) * 1962-12-05 1965-11-30 Nat Lock Co Door lock mechanism
US3792886A (en) * 1972-06-02 1974-02-19 Acme General Corp Two way door latch

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