US953834A - Lock-guard for incandescent lamps. - Google Patents

Lock-guard for incandescent lamps. Download PDF

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Publication number
US953834A
US953834A US53287109A US1909532871A US953834A US 953834 A US953834 A US 953834A US 53287109 A US53287109 A US 53287109A US 1909532871 A US1909532871 A US 1909532871A US 953834 A US953834 A US 953834A
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United States
Prior art keywords
guard
incandescent lamps
locking plate
lock
cage
Prior art date
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
Application number
US53287109A
Inventor
Harvey Hubbell
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Harvey Hubbell Inc
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Individual
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Filing date
Publication date
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Priority to US53287109A priority Critical patent/US953834A/en
Application granted granted Critical
Publication of US953834A publication Critical patent/US953834A/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages

Definitions

  • a guard for incandescent lamps comprising a rigid cage having a holding ring, a two-part locking plate having an angle flan e provided with a groove adapted to recelve the holding ring and an angle flange provided with a groove adapted to receive the rib on a lamp socket and means for locking the parts of the locking plate together whereby the cage is secured to the locking plate, the locking plate to a lamp socket and the lamp is locked against removal.
  • a guard for incandescent lamps comprising a. rigid cage having a holding ring,
  • a two-part lOCKlllg plate having a grooved angle flange which receives the holding ring and an angle flange adapted to engage a lamp socket, oneofthe parts of the locking plate havin an ear provided with a threadedhole, an the other part having a housing and a screw in the housing adapted to engage the hole in the ear, for the purpose set forth.
  • a guard for incandescent lamps comprising a rigid cage having a holding ring, a two-part locking plate having a grooved angle flange which receives the holding ring 40 HARVEY HUBBELL.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

H HUBBELL. LOCK GUARD FOR INGANDESGENT LAMPS.
APPLICATION FILED DEC. 13, 1909.
953,834, Patented Apr. 5, 1910.
liTTOR/VE Y itself in groove 17. When the parts are in this position, the cage is locked to the lockingplate and the locking plate is locked to the socket by turning the screw into the threaded hole in ear 21. To remove the cage from the locking plate it is simply necessary to turn the screw baclnvard sufliciently to disengage it from the ear, when the members or parts may be swung apart sufficiently to permit the cage to he removed from the locking plate and the locking plate to be removed from the socket if required.
Having thus described my invention I claim:
1.- A guard for incandescent lamps comprising a rigid cage having a holding ring, a two-part locking plate having an angle flan e provided with a groove adapted to recelve the holding ring and an angle flange provided with a groove adapted to receive the rib on a lamp socket and means for locking the parts of the locking plate together whereby the cage is secured to the locking plate, the locking plate to a lamp socket and the lamp is locked against removal.
2. A guard for incandescent lamps comprising a. rigid cage having a holding ring,
a two-part lOCKlllg plate having a grooved angle flange which receives the holding ring and an angle flange adapted to engage a lamp socket, oneofthe parts of the locking plate havin an ear provided with a threadedhole, an the other part having a housing and a screw in the housing adapted to engage the hole in the ear, for the purpose set forth.
8. A guard for incandescent lamps comprising a rigid cage having a holding ring, a two-part locking plate having a grooved angle flange which receives the holding ring 40 HARVEY HUBBELL.
Witnesses A. M. VVoosrnn, S. W. A'rHERToN.
US53287109A 1909-12-13 1909-12-13 Lock-guard for incandescent lamps. Expired - Lifetime US953834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US53287109A US953834A (en) 1909-12-13 1909-12-13 Lock-guard for incandescent lamps.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53287109A US953834A (en) 1909-12-13 1909-12-13 Lock-guard for incandescent lamps.

Publications (1)

Publication Number Publication Date
US953834A true US953834A (en) 1910-04-05

Family

ID=3022241

Family Applications (1)

Application Number Title Priority Date Filing Date
US53287109A Expired - Lifetime US953834A (en) 1909-12-13 1909-12-13 Lock-guard for incandescent lamps.

Country Status (1)

Country Link
US (1) US953834A (en)

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