Method and apparatus for use in connection with felling of trees

Details Method and apparatus for use in connection with felling of trees Method and apparatus for use in connection with felling of trees

1976-09-07

1979-10-30

Spruill, Robert Louis

Woodworking

Special-work machine

Tree felling

60597, 144309AC, 254 93HP, A01G 2308, F02G 502

Patent

active

041724798

ABSTRACT:
A method and apparatus for use in tree felling for causing a tree to tip under the influence of a force acting on the cutting surfaces of a saw notch in the tree trunk. The tipping force is produced by means of an inflatable cushion which is inserted in a flattened state into the saw notch and connected to the combustion chamber of the cylinder of the power saw motor to be inflated with compressed gas from said combustion chamber.

REFERENCES:
patent: 795531 (1905-07-01), Michelin
patent: 1516816 (1924-11-01), Hawkins
patent: 2140325 (1938-12-01), Morse
patent: 2226201 (1940-12-01), Freyssinet
patent: 2495092 (1956-01-01), Cox et al.
patent: 2657904 (1953-11-01), Evenson
patent: 3026541 (1962-03-01), Murat
patent: 3822861 (1974-07-01), Scott

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