1982-03-08
1984-04-03
Schmidt, Frederick R.
Bridges
144193D, 254104, B26B 2300
Patent
active
044402058
ABSTRACT:
An axe or wedge has a head with a cutting surface along an edge thereof. A pair of levers are pivotally mounted in transverse apertures formed in the head so as to pivot in opposite directions about a common axis aligned with the cutting edge. Stop means are provided in the transverse apertures so as to offset the levers to opposite sides of the head. Springs connected between the head and the levers normally hold the levers against the stops. The head has a recess formed above each lever and into which the lever may pivot so as to be flush with the head. In one embodiment, the levers are bifurcated and have camming surfaces which extend out of the head to the side opposite the offset and which, upon contact with wood being split, urge the levers from the stops into contact with the wood being split. The bifurcated arms are configured so as to provide a greater initial splitting force than is otherwise available, which force remains at a relatively constant factor over a substantial portion of the lever rotation.
REFERENCES:
patent: 443581 (1890-12-01), Marshall
patent: 561000 (1896-05-01), Karns
patent: 3865163 (1975-02-01), Root
patent: 4044808 (1977-08-01), Kolonia
patent: 4383562 (1983-05-01), Hockman
Alltrade Inc.
Schmidt Frederick R.
Zatarga J. T.
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