Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
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
Blix Trygve M.
Columbus McKinnon Corporation
Noland Kenneth
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