Vibratory tool with a vibration proof mechanism for the handle t

Details Vibratory tool with a vibration proof mechanism for the handle t Vibratory tool with a vibration proof mechanism for the handle t

1981-05-15

1983-08-30

Watson, Robert C.

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

248573, 248632, E21B 1200

Patent

active

044011679

ABSTRACT:
At least two vibration proof elements are interposed between a tool body and the handle thereof. Each of the elements has a first supporting member connected to the handle, and two rubber blocks interposed between the first and second supporting members so that the element functions as a shock absorber. The first supporting member is partially received in the second supporting member in such a manner that the first supporting member is reciprocally movable with respect to the second supporting member when a force is applied to the element in a longitudinal direction of the tool body. Each of the first and second supporting members has a U-shaped portion so that the inner surface of the second supporting member abuts the outer surface of the first supporting member thus preventing the handle from excessively rotating about an axis perpendicular to the longitudinal axis, and passing through the elements.

REFERENCES:
patent: 2014466 (1935-09-01), Cheyney
patent: 2035643 (1936-03-01), Douglass et al.
patent: 3652074 (1972-03-01), Frederickson et al.
patent: 3698455 (1972-10-01), Frederickson et al.
patent: 3845557 (1974-11-01), Bailey

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