Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1997-03-03
2000-02-22
Matecki, Katherine
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
254362, 254374, B66D 112, B66D 130
Patent
active
060271035
ABSTRACT:
An electrically powered hoisting system is operated by seating a line attached to the load to be hoisted in a groove formed between two sheave components and activating the electrical drive motor to rotate the sheave assembly. Voltage for the electrical drive motor is provided by an on-board 12 volt battery and voltage to the drive motor is controlled by means of a switch device. The groove formed by the sheave components has a resilient gripping surface that provides a firm line gripping action and hands-free and self-tailing operation. A davit, davit mounting brackets, and a flexible mounting assembly for mounting the powerhead assembly to a support are also disclosed.
REFERENCES:
patent: 3473922 (1969-10-01), Wood et al.
patent: 3722126 (1973-03-01), Whipple et al.
patent: 3765614 (1973-10-01), Bartl et al.
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patent: 5271608 (1993-12-01), Kubono
patent: 5522582 (1996-06-01), Dilks
Brothers Welding Sales Pamphlet: Home of Lil'Aud Pot Pullers, 1-96--no date available.
Pacific Industrial Supply: Catalog Excerpt, Hydroslave Pot Haulers, p. 24--no date available.
Matecki Katherine
Sleath Janet
Speckman Ann W.
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