Manual chain block

Details Manual chain block Manual chain block

1994-06-27

1996-10-22

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

254372, B66D 128

Patent

active

055669255

ABSTRACT:
In a manual chain block with a driving shaft a wheel cover 15 is provided with a radial bearing 18 for supporting the driving shaft 7 at one axial end portion. The driving shaft 7 has an actuating mechanism side shaft portion for supporting an actuating mechanism 20 extended so as to be supported by the radial bearing 18, so that shaft deflection can be decreased at the time of actuating operation of the actuating mechanism 20.

REFERENCES:
patent: 402601 (1889-05-01), Lavery
patent: 826449 (1906-07-01), Steere
patent: 1993744 (1935-03-01), Morison
patent: 2739789 (1956-03-01), Smith
patent: 3030076 (1962-04-01), Stevens
patent: 3092369 (1963-06-01), Carroll
patent: 3894720 (1975-07-01), Koji
patent: 5007617 (1991-04-01), Nishimura
patent: 5125629 (1992-06-01), Nishimura

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