04195332 is referenced by 7 patents and cites 11 patents.

Safety device for preventing fall of pole-mounted luminaire support due to breaking of hoisting cable. Device comprises pivoted brake arm which automatically clamps and holds the support cable in the event the hoisting cable breaks during hoisting or lowering operations.

Title
Luminaire hoist safety device with automatic brake means adjacent top cable guide
Application Number
5/908187
Publication Number
4195332
Application Date
May 22, 1978
Publication Date
March 25, 1980
Inventor
Richard L Thompson
Hendersonville
NC, US
Agent
Lawrence R Kempton
Sidney Greenberg
Assignee
General Electric Company
NY, US
IPC
F21V 21/36
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