Tool driving or impacting – Drive by means reacting to rotating eccentric mass
Patent
1991-11-08
1993-11-02
Yost, Frank T.
Tool driving or impacting
Drive by means reacting to rotating eccentric mass
173128, 405232, E02D 718
Patent
active
052576671
ABSTRACT:
A first rotation driving mechanism including a hydraulic motor (26), a driving gear (27), and a driven gear (29) is provided between a coupling arm unit (12) attachable to the operational arm of a construction machine such as a hydraulic shovel, etc., and a hanger unit (14) to relatively rotate them in the horizontal plane, and at the same time, a second rotation driving mechanism including a hydraulic cylinder (32) and a rocking arm (34) is provided between the hanger unit (14) and a main body (20) to rotate them in the vertical plane. The positional changes of the hanger unit (14) and the main body (20) are automatically performed by a remote control rapidly and easily, and further, with safety to improve the mobility and operativity of the piling, and the pile installation and removal.
REFERENCES:
patent: 3033394 (1962-05-01), Kashergen
patent: 3909149 (1975-09-01), Century
Patent Abstract of Japan, vol. 6, No. 181 (M-156) (1059) 17 Sep. 1982 and JP-A-57 089 023 (Kensetsu Kikai Chiyousa) 3 Jun. 1982.
Sano Yuji
Shimada Fubito
Kencho Kobe Co., Ltd.
Schrock Allan M.
Yost Frank T.
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