Log splitter

Details Log splitter Log splitter

1977-08-04

1979-02-27

Schran, Donald R.

Woodworking

Splitting machine

Tapered or wedge shaped product

144 3K, 180 53WA, B27L 700

Patent

active

041413954

ABSTRACT:
A log splitter having a wedge and a vehicle powered screw and nut mechanism for forcing logs against the wedge. A wheel of a powering autmotive vehicle is run up an incline and down into a "socket" formed by two parallel rollers to be turned by it; each roller is an integral coaxial part of a respective screw shaft extending laterally past a fixed inward facing wedge; a member spanning the screws comprises a nut threadedly engaging each screw with the span between the threaded portions reinforced for thrusting logs against the wedge. Safety anti-overrun features include relieved portions at each end of the screw threads and an automatically unlocking pawl used in removing the vehicle from driving engagement; an automatic rewind feature is included in an embodiment.

REFERENCES:
patent: 140404 (1873-07-01), Coe
patent: 1189999 (1916-07-01), Peter
patent: 1487962 (1924-03-01), Manville
patent: 2137940 (1938-11-01), Goodman
patent: 3717045 (1973-02-01), Burenga

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