Pulley-block weighing-balance

Details Pulley-block weighing-balance Pulley-block weighing-balance

1978-09-29

1980-09-16

McCarthy, Edward J.

Weighing scales

Structural installation

414 21, 177245, 254390, 254401, B66D 100, B66D 148

Patent

active

042225515

ABSTRACT:
The pulley-block balance comprises at least one loose pulley, a hollow coaxial support fitted with ball-bearings for supporting the pulley or pulleys, and a load-lifting hook. Coupling means between the hook and the support comprise a movable member which is capable of undergoing displacement at least at the point of application of the force arising from the load and is subjected to a restoring action in the direction opposite to the force. The movable member controls load-indicating means as a result of its displacement.

REFERENCES:
patent: 2080804 (1937-05-01), Brantly
patent: 2434138 (1948-01-01), Adams
patent: 2659574 (1953-11-01), Crookston
patent: 3203672 (1965-08-01), Santos

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