US870341A - Incandescent lamp. - Google Patents

Incandescent lamp. Download PDF

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Publication number
US870341A
US870341A US34449606A US1906344496A US870341A US 870341 A US870341 A US 870341A US 34449606 A US34449606 A US 34449606A US 1906344496 A US1906344496 A US 1906344496A US 870341 A US870341 A US 870341A
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United States
Prior art keywords
bulb
incandescent lamp
flattened
lamp
wires
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US34449606A
Inventor
Herman Boehm
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Individual
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Individual
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Priority to US34449606A priority Critical patent/US870341A/en
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Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb

Definitions

  • .' Fig. 4 shows a. slight modification.
  • the objects of my present improvement are to render the axial turning of the lamp, while in engagement with the terminal springs, impossible; to lessen the cost of manufacture; and to so form the head or end of the bulb as to'limit the insertion thereof into its socket, and at the same time provide for a. maximum dissemination of the light.
  • Figure I is a plan view.
  • Fig. 2 is a cross sectional view, on line 22, Fig. 1.
  • Fig. 3 is a longitudinal sectional view showing the terminal springs in engagement with .the lamp.
  • the lamp bulb 1 which is mainly cylindrical, is formed with opposite flattened sides 2 which extend a. short distance from one end of the bulb, as shown in 1 and 3, or substantially the Specification of Letters Patent. Application filed November 21.1906. Serial No. 344.496.
  • these flattened ends of the leading-in wires are extended the full length of the flattened sides of the bulb, but the extent to which they are carried over the latter is immaterial.
  • the terminal springs 6 when in engagement with the flattened wires and flattened sides of the bulb will hold the latter firmly in place, preventing it fromturning, and avoiding short circuit ing.
  • the outer end 7 of the bulb is bulged or of hemispheroidal shape, such enlargement forming shoulders which act as stops.

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  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

PATENTE D NOV. 5
H. BOEHM.
INUANDESGENT LAMP.
APPLICATION FILED NOV.21, 1906.
' UNITED STATES HERMAN BOEHM, OF YOUNGSTOWN, OHIQ mariner o FioE.
INCANDESQENT LAMP.
To all. whom it may concern:
Be it known that I, HERMAN BOEHM, of Y oungstowm' in the county of Mahoning and State of Ohio, have invented certain new anduseful Improvements in Incandescent Lamps; and I do hereby declare the following to be a full, clear, and'exact description ofthe invention, such as'wi ll enable othersskilled in the art towhich it appertains to make and use the same.
In LettersPatent of the United States No.693,222,
circuiting and danger of. breaking the wires.
.' Fig. 4 shows a. slight modification.
The objects of my present improvementare to render the axial turning of the lamp, while in engagement with the terminal springs, impossible; to lessen the cost of manufacture; and to so form the head or end of the bulb as to'limit the insertion thereof into its socket, and at the same time provide for a. maximum dissemination of the light.
The invention will be hereinafter fully set forth and particularly pointed out in the claims.
In the accompanying drawing, Figure I is a plan view. Fig. 2 is a cross sectional view, on line 22, Fig. 1. Fig. 3 is a longitudinal sectional view showing the terminal springs in engagement with .the lamp.
In the present instance the lamp bulb 1, which is mainly cylindrical, is formed with opposite flattened sides 2 which extend a. short distance from one end of the bulb, as shown in 1 and 3, or substantially the Specification of Letters Patent. Application filed November 21.1906. Serial No. 344.496.
Patented Nov. 5, 19.07.
full length thereof, as shown in Fig. At the mount ends ofv the flattened sides are small grooves? to accommodate the leading-in wires 4. Those portions of the latter which extend over the flattened sides of the bulb are themselves flattened, as shown at 5,- andfastened to such sides by cement or any other suitable means.
Preferably these flattened ends of the leading-in wires are extended the full length of the flattened sides of the bulb, but the extent to which they are carried over the latter is immaterial. The terminal springs 6 when in engagement with the flattened wires and flattened sides of the bulb will hold the latter firmly in place, preventing it fromturning, and avoiding short circuit ing.
For the purpose of providing a stop to limit the insertion of the bulb and at the same time to provide for greater dissemination of the light, the outer end 7 of the bulb is bulged or of hemispheroidal shape, such enlargement forming shoulders which act as stops.
The advantages of.my invention are apparent. It is manifest that the present improvements insure against the danger of the bulb being displaced in its socket once the flat surfaces are engaged by the tcr- I
US34449606A 1906-11-21 1906-11-21 Incandescent lamp. Expired - Lifetime US870341A (en)

Priority Applications (1)

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US34449606A US870341A (en) 1906-11-21 1906-11-21 Incandescent lamp.

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US34449606A US870341A (en) 1906-11-21 1906-11-21 Incandescent lamp.

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US870341A true US870341A (en) 1907-11-05

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US34449606A Expired - Lifetime US870341A (en) 1906-11-21 1906-11-21 Incandescent lamp.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995723A (en) * 1957-01-30 1961-08-08 Sylvania Electric Prod Lamp base
US3206713A (en) * 1962-03-21 1965-09-14 John J Horan Lamp having resilient terminals
US3265923A (en) * 1963-03-19 1966-08-09 Westinghouse Electric Corp Baseless double-ended electric incandescent lamp
US3320466A (en) * 1959-10-23 1967-05-16 Gen Electric Double-ended electric lamp and associated u-shaped metal clip
US3349277A (en) * 1963-11-01 1967-10-24 Philips Corp Electric lamp with external current supply contact
US4054814A (en) * 1975-10-31 1977-10-18 Western Electric Company, Inc. Electroluminescent display and method of making
US4753609A (en) * 1985-08-12 1988-06-28 Adc Telecommunications, Inc. Lamp receiving apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995723A (en) * 1957-01-30 1961-08-08 Sylvania Electric Prod Lamp base
US3320466A (en) * 1959-10-23 1967-05-16 Gen Electric Double-ended electric lamp and associated u-shaped metal clip
US3206713A (en) * 1962-03-21 1965-09-14 John J Horan Lamp having resilient terminals
US3265923A (en) * 1963-03-19 1966-08-09 Westinghouse Electric Corp Baseless double-ended electric incandescent lamp
US3349277A (en) * 1963-11-01 1967-10-24 Philips Corp Electric lamp with external current supply contact
US4054814A (en) * 1975-10-31 1977-10-18 Western Electric Company, Inc. Electroluminescent display and method of making
US4753609A (en) * 1985-08-12 1988-06-28 Adc Telecommunications, Inc. Lamp receiving apparatus

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