Railway switches and signals – Electric automatic highway signals – mine doors – and gates
Patent
1987-02-24
1988-11-15
Reeves, Robert B.
Railway switches and signals
Electric automatic highway signals, mine doors, and gates
246261, 246272, 362368, B61L 2904
Patent
active
047843560
ABSTRACT:
A variable placement lamp system for use with a supporting member is disclosed which includes a plurality of lamp housings (40) each including a channel for receiving an upper edge of a supporting member. Screw (50) on both sides of the housing (40) are turned until the housing is secured to the support member in a friction fit. Extensible cables (70) with 3-pronged connections connect the lamp circuitry to electrical circuitry to operate the lamps (38) in a predetermined pattern.
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Railway Equipment Company
Reeves Robert B.
Werny Scott H.
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