Guide rod drive method and structure using slidable drive screw

Details Guide rod drive method and structure using slidable drive screw Guide rod drive method and structure using slidable drive screw

1986-01-08

1988-01-19

Olszewski, Robert P.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

254122, B66F 300

Patent

active

047200820

ABSTRACT:
A drive rod apparatus and method generates a drive feed which is dependent on the speed change of the load. The apparatus and method, which is preferably embodied in a lifting jack, includes a slidable drive screw and nut set.

REFERENCES:
patent: 1545223 (1925-07-01), Westrate
patent: 2492853 (1949-12-01), Flynn
patent: 2920871 (1960-01-01), Kolodin
patent: 4509724 (1985-04-01), Okada
patent: 4583713 (1986-04-01), Fukura et al.

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