Tool driving or impacting – Including means to vibrationally isolate a drive means from...
Patent
1983-11-21
1986-03-18
Schran, Donald R.
Tool driving or impacting
Including means to vibrationally isolate a drive means from...
173170, B25D 1704
Patent
active
045762414
ABSTRACT:
A tool assembly of the automatic hammering or roto-hammering type and a handle assembly therefor. The tool assembly includes a breaking tool having a longitudinal axis. The handle assembly includes a head fixedly interconnected with the tool and two handles pivotally interconnected with the head. The handles include elongated crossed levers and are each provided with biasing members biasing the handles towards the head.
REFERENCES:
patent: 1644030 (1927-10-01), Prellwitz
patent: 3322211 (1967-05-01), Alabuzhev et al.
patent: 4060138 (1977-11-01), Cox et al.
patent: 4282938 (1981-08-01), Minamidate
Schran Donald R.
VanOphem Remy J.
Wolfe James
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