Underwater self-gripping pile cutting device

Details Underwater self-gripping pile cutting device Underwater self-gripping pile cutting device

1977-11-16

1979-09-25

Schran, Donald R.

Woodworking

Special-work machine

Tree felling

30228, 83559, 83600, 83694, A01G 2308

Patent

active

041687299

ABSTRACT:
A self-gripping scissors-type shear cutting device for pile cutting. The ar blades of this cutting device have spikes located on the blades which automatically grip and hold the wood pile being cut, thus preventing slipping or squeeze-off of the work to be severed. This device avoids the use or need for additional clamping or gripping arrangements to hold the cutting blades against the pile to prevent slipping.

REFERENCES:
patent: 2565252 (1951-08-01), McFaull
patent: 2846175 (1958-08-01), Sexton
patent: 2981301 (1961-04-01), Busch et al.
patent: 3056267 (1962-10-01), McRee
patent: 3294131 (1966-12-01), Larson
patent: 3482613 (1969-12-01), Jordan
patent: 3667515 (1972-06-01), Corey
patent: 3707175 (1972-12-01), Propst
patent: 3831647 (1974-08-01), Windsor
patent: 3837382 (1974-09-01), Gaitten
patent: 3862652 (1975-01-01), Johnson
patent: 3918476 (1975-11-01), Jasinski

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