Woodworking – Splitting machine – Tapered or wedge shaped product
Patent
1978-09-22
1980-09-23
Bray, W. Donald
Woodworking
Splitting machine
Tapered or wedge shaped product
74 11, 74 63, B27L 700
Patent
active
042237076
ABSTRACT:
Method and apparatus for splitting wood such as logs, comprising a prime mover selectively connectable to an elongated screw member to rotate the screw member in the clockwise direction and the counterclockwise direction, the screw member being mounted for rotation with a thrust bearing at one end of the screw member, an elongated bed structure, a trolley mounted for movement along the elongated bed structure, a nut having screw threads complementary to the screw member defined therethrough attached to the trolley and receiving and engaging the threads of the elongated screw member, and an abutment and a cutting blade, one of which is mounted to the trolley and the other of which is mounted to the bed structure adjacent the thrust bearing such that a log may be placed between the splitting blade and abutment and the blade urged into the log by moving the trolley towards the log by rotation of the screw member with the screw member being in tension during the splitting operation.
REFERENCES:
patent: 111333 (1871-01-01), Ficht
patent: 1283195 (1918-10-01), Hunter
patent: 2612194 (1952-09-01), Ingraham et al.
patent: 4121636 (1978-10-01), James
patent: 4133359 (1979-01-01), Jensen et al.
patent: 4141395 (1979-02-01), Arzt
Bacon David L.
Jensen Bruce W.
Bray W. Donald
Livingston Lawrence E.
Livingston Victoria A.
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