Bus bar screw jack

Details Bus bar screw jack Bus bar screw jack

1995-10-17

1999-12-07

Tudor, Harold J.

Implements or apparatus for applying pushing or pulling force

Screw

254100, 254133, B66F 308

Patent

active

H00018236

ABSTRACT:
A bus bar screw jack is useful in the removal, inspection, and reinstallation of bus bars. The end of the screw jack which engages the bus bar comprises a channel with a foam rubber coating to nonslidably receive the bus bar. The foam rubber coating also prevents damage to the insulating coating on the bus bar during installation. The screw jack comprises an externally threaded member, an internally threaded member threaded onto the externally threaded member, a support member on one end of the externally threaded member, and a washer interposed between the support member and internally threaded member.

REFERENCES:
patent: 252401 (1882-01-01), Stauffer
patent: 587463 (1897-08-01), Sullivan
patent: 1061658 (1913-05-01), Bradshaw
patent: 1264417 (1918-04-01), Matson
patent: 2093284 (1937-09-01), Mandl
patent: 2984417 (1961-05-01), Voorhees
patent: 3104493 (1963-09-01), Nalle
patent: 3398933 (1968-08-01), Haroldson
patent: 3603552 (1971-09-01), Wheelock
patent: 4817977 (1989-04-01), Bookbinder
patent: 5129601 (1992-07-01), Henkel
patent: 5297779 (1994-03-01), Collins, Jr. et al.
patent: 5674045 (1997-10-01), Eckloff et al.

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