Implements or apparatus for applying pushing or pulling force – Special engaging elements – Sharing props
Patent
1984-03-19
1986-01-14
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Special engaging elements
Sharing props
B66F 324
Patent
active
045641730
ABSTRACT:
In combination with a bumper jack an apparatus for pushing a tree over when the tree is being cut down is provided so that when a base connected to the bumper jack is placed on a ground surface the apparatus is tipped at an angle between the ground surface and the tree a jack handle will operate a jack mechanism to rise along a jack post causing a support member to push a shaft through an aperture in a guide member until points on a tip member will contact the tree, pushing the tree over when the tree is being cut down.
REFERENCES:
patent: 1465895 (1923-08-01), Daniels
patent: 1477298 (1923-12-01), Templeton
patent: 1482846 (1924-02-01), Harroh
patent: 2031507 (1936-02-01), Gloekler
patent: 3834669 (1974-09-01), Reid
patent: 4148462 (1979-04-01), Jessup
patent: 4304394 (1981-12-01), O'Hara et al.
Atherton Peter W.
Spector George
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