A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
144/31
A01G 23/08 (2006.01) A01G 23/081 (2006.01)
Patent
CA 1116982
TREE SHEAR HEAD AND CONTROLS THEREFOR Abstract of the Disclosure A tree shear head includes a shear, a grapple tong and an accumulator tong which are positioned by respective double-acting hydraulic actuators controlled by selectively actuatable solenoid- operated valves such as to place the shear head either in a non- accumulate mode wherein both tongs operate concurrently to grasp and release trees one-by-one or an accumulate mode wherein the tongs are individually operated in a sequence resulting in the accumulation of a plurality of cut trees.
339773
Kurt Lynn E.
Menzel Alvin L.
Pierrot Victor C.
Redman Andrew P.
Zirker Eugene S.
Borden Ladner Gervais Llp
Deere & Company
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