Traversing hoists – Overhead – Cable
Patent
1978-04-24
1980-03-11
Sheridan, Robert G.
Traversing hoists
Overhead
Cable
340 87, 362 61, 362 66, B60Q 146
Patent
active
041924274
ABSTRACT:
Retractable means for supporting light and other equipment on an automotive service truck. There is provided for use with an automotive service truck retractable means by which warning lights, radio antenna and/or other devices may be alternately supported in raised operative position or if desired temporarily dropped into a lowered position for enabling the service truck to enter through door openings or under ceilings of reduced height such as often exists in parking garages. The supporting means for said lights, radio antenna and other devices are mounted on suitable bases which in turn are mounted on a rotative rod. Stop means are provided for limiting movement of said bases in a device lifting direction and handle means are provided for operatively rotating said rod to effect such lifting. Said handle means also function at least in part as spring means for maintaining said bases under pressure against said stop means.
REFERENCES:
patent: 3229945 (1966-01-01), Hartman
patent: 3331957 (1967-07-01), Adams et al.
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