Electrical connectors – With guiding means for mating of coupling part – For constrained pivotal or plural movement coupling
Patent
1992-07-27
1994-04-05
Schwartz, Larry I.
Electrical connectors
With guiding means for mating of coupling part
For constrained pivotal or plural movement coupling
439477, 362403, H01R 1364
Patent
active
052999521
ABSTRACT:
An overhead electrical fixture including a lowerable serviceable fixture portion that may be readily lowered by a portable lowering tool to facilitate servicing by a technician at ground level. The overhead fixture includes a mounting base adapted to be secured relatively high above ground level, such as in a church. In the normal operating position, the serviceable fixture portion is releasably secured to the mounting base by a relatively short length of cable secured at one end to the serviceable fixture portion, and at the opposite end to a cable connector, such as a ring. The ring rests against the mounting base adjacent a slotted opening in the normal operating position. The ring may be engaged by a hook of the lowering tool and rotated so that the ring may pass through the slotted opening in the mounting base to effect release and lowering of the serviceable fixture portion. The portable lowering tool includes a series of telescoping sections, a winch including a supply of cable stored thereon, and a brake to prevent paying out of the cable when the winch handle is released by the user. The supply of cable from the winch of the portable lowering tool is payed out to lower the serviceable fixture portion and may be rewound to raise the serviceable fixture portion to the operating position after servicing is completed.
REFERENCES:
patent: 1454855 (1923-05-01), Larkins
patent: 1473713 (1923-11-01), Thompson
patent: 1666223 (1928-04-01), Symmes
patent: 3146865 (1964-09-01), Troxell
patent: 3696241 (1972-10-01), Meyer et al.
patent: 3706956 (1972-12-01), Epifani et al.
patent: 4001573 (1977-01-01), Derasp
patent: 4430694 (1984-02-01), Koivumaki et al.
Nguyen Khiem
Schwartz Larry I.
Seltzer Donald M.
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