Visual latching condition indicating system for tall pole carrie

Details Visual latching condition indicating system for tall pole carrie Visual latching condition indicating system for tall pole carrie

1977-09-22

1979-04-10

Shoop, William M.

Illumination

Supports

Support having gravity-type light source or light modifier...

362396, 248320, F21V 2114, B42F 1300

Patent

active

041492307

ABSTRACT:
A plurality of cables having respective first ends attached to selected portions of a carrier for lights or the like pass over pulleys in the mast head atop a high pole, their other ends being coupled internally of the pole to a winch which winds the cables to raise and lower the carrier for maintenance purposes from its normal highest position. At the latter position latching members on the carrier engage corresponding latching members on the mast head and the latches normally provide the principal suspending support for the carrier. As a safety measure, the ends of the cables coupled to the carrier are provided with signals visible from the ground indicating when the various latching means have been properly engaged.

REFERENCES:
patent: 3911267 (1975-10-01), Kiehn
patent: 4001573 (1977-01-01), Derasp

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