Simple machine

Details Simple machine Simple machine

1974-11-22

1977-06-21

Paperner, L. J.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

226114, 74136, B66D 100

Patent

active

040307034

ABSTRACT:
A device for multiplying the force applied to deflect a tensile member attached to a weight or load. The device may be used in place of a block and tackle and provides substantially greater mechanical advantage without the additional length of line needed by a block and tackle to string over the additional pulleys employed. Various embodiments employ one or two unidirectional motion members and a lever pivotably mounted to the frame for applying the deflecting force. Additional mechanical advantage is achieved by selectively locating the pivot mounting of the lever.

REFERENCES:
patent: 434701 (1890-08-01), Conway
patent: 893678 (1908-07-01), Van Wie
patent: 1231014 (1917-06-01), Goodwill
patent: 1754132 (1930-04-01), Van Bekkum
patent: 2585101 (1952-02-01), Faure
patent: 3410525 (1968-11-01), Tanson

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