Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent
1997-02-06
1999-02-09
Matecki, Katherine
Implements or apparatus for applying pushing or pulling force
Device or member for contacting and guiding moving cable
Including rotatable, cable contacting, pulley wheel element
254403, 254407, 104197, B66D 304
Patent
active
058683810
ABSTRACT:
A logging block (16) formed in accordance with the present invention includes a frame (56) having a first end and an opposing second end and a sheave (50) having an upper side (58) and an opposing lower side (62) coupled to the second end of the frame such that the sheave rotatably contacts a continuous loop of cable (12) as the cable travels along a mono-cable path (32). Located at the first end of the frame (56) is a mounting assembly (77) providing at least two mounting slots (78) used for securing the frame to a stationary object along the mono-cable path (32), such as a tree or stump (20). The mounting slots (78) are positioned with respect to the sheave (50) such that when the logging block (16) is in operation, the alignment of a mounting slot is either above, below or directly in line with the sheave. By altering the alignment of the mounting slot (78) with respect to the sheave (50), the position of logging blocks (16) along the mono-cable path (32) can be significantly altered without sacrificing the functionality of the logging block or increasing dangers associated with misalignment of the cable (12) with respect to the logging block as the cable travels along the mono-cable path.
REFERENCES:
patent: 499323 (1893-06-01), Hoit
patent: 1085017 (1914-01-01), Card
patent: 1181898 (1916-05-01), La Croix
patent: 1206264 (1916-11-01), Simpson
patent: 1481077 (1924-01-01), Adams
patent: 2182602 (1939-12-01), Veteran
patent: 2218854 (1940-10-01), Rabelos
patent: 2665114 (1954-01-01), Michalski
patent: 5673625 (1997-10-01), Dahlstrom
Dahlstrom Gale E.
Matecki Katherine
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