Hand hoist/puller operating handle/lever

Details Hand hoist/puller operating handle/lever Hand hoist/puller operating handle/lever

1975-10-06

1978-06-27

Blix, Trygve M.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

74523, B66D 100

Patent

active

040970248

ABSTRACT:
A side lever type handle for hand operated tensioning devices, such as hoist or puller mechanisms, which is adapted to 360.degree. rotation operation; said handle being reverse-curve contoured so as to minimize torsional moments acting to rotate the hoist/puller mechanism about the axis of the load system incidental to pushing/pulling upon the handle. Optionally, the handle may be sectionally designed to complement its aforesaid contour so as to adapt it to yield plastically in torsion and bending in response to attempts to overload the associated mechanism.

REFERENCES:
patent: 2154762 (1939-04-01), McGregor et al.
patent: 2222162 (1940-11-01), Adamson
patent: 2287551 (1942-06-01), Coffing
patent: 2741927 (1956-04-01), Hollander
patent: 2770339 (1956-11-01), Dotson
patent: 3283620 (1966-11-01), Bailey
patent: 3311348 (1967-03-01), Taylor
patent: 3597995 (1971-08-01), Hawkins
patent: 3707885 (1973-01-01), Profet

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