Jack handle with means for limiting the torque which can be appl

Details Jack handle with means for limiting the torque which can be appl Jack handle with means for limiting the torque which can be appl

1993-04-26

1994-04-12

Larson, Lowell A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Handle, handle component, or handle adjunct

Luggage-type

74528, 74557, 74545, 254DIG3, A47B 9502, G05G 506, G05G 100, B62D 106

Patent

active

053013891

ABSTRACT:
A jack handle which limits the torque that can be applied to a jack so as to prevent overload and injury. The jack handle has a reduced cross-sectional portion between the handle and the jack engaging portion so that the handle will break off at the reduced cross-sectional portion, thus, preventing overloading of the jack. A portion of the handle which does not break off is provided with a jack engaging portion so that the broken portion of the jack can be removed and the second jack engaging portion can be inserted into the jack to lower it.

REFERENCES:
patent: 3602065 (1971-08-01), Ratcliff
patent: 3707885 (1973-01-01), Profet
patent: 3921471 (1975-11-01), Smith
patent: 4550581 (1985-11-01), Best et al.
patent: 5064171 (1991-11-01), Engel

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