Tool driving or impacting – With vehicle support for drive – Vehicle motor and drive motor powered by same energy source
Patent
1978-05-02
1980-04-22
Staab, Lawrence J.
Tool driving or impacting
With vehicle support for drive
Vehicle motor and drive motor powered by same energy source
371175, 173 29, 173 43, E21C 1102
Patent
active
041990331
ABSTRACT:
Augering apparatus is intended for attachment as an accessory to a hydraulically operated boom of a backhoe or the like, the boom having articulated first and second members, the first member being pivotally attached to a tractor and the second member of the boom having a distal end hydraulically positionable in azimuth, elevation and reach from the tractor, and points of attachment for a scoop or the like. Such scoop is replaced by the accessory which includes a mounting bracket for being carried by transverse pins normally present at the end of the boom for mounting the scoop. The bracket carries a yoke in swiveling relationship for movement about a swivel axis lying in the plane of articulation of the boom members, the yoke having first and second oppositely disposed pivot members. A motor enclosure has pivot cooperative members, preferably trunions extending from opposite sides thereof, for pivotally cooperating with the yoke. The enclosure contains a selectively reversible hydraulic motor. A coupling for receiving the shank of an auger is carried by a shaft driven by the motor and extends from one end of the enclosure. Hydraulic lines supply hydraulic fluid for operation of the motor, these lines preferably being connected at the trunions. The trunnions provide a pivot axis which is offset from the swivel axis for castering action of the motor enclosure in response to augering forces.
REFERENCES:
patent: 1885295 (1932-11-01), Robinson
patent: 2969844 (1961-01-01), Hamrick
patent: 3327789 (1967-06-01), Furuseth
patent: 3460691 (1969-08-01), Wieger
patent: 3563320 (1971-02-01), Von Ruden
patent: 3746104 (1973-07-01), McIntosh et al.
patent: 3922017 (1975-11-01), Cobb
patent: 4066134 (1978-01-01), Karns
patent: 4068728 (1978-01-01), Subrick
patent: 4099579 (1978-07-01), Stormon
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