Device for measuring a load at the end of a rope wrapped...

Details Device for measuring a load at the end of a rope wrapped... Device for measuring a load at the end of a rope wrapped...

2009-09-13

2011-10-04

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

Reexamination Certificate

active

08032313

ABSTRACT:
A machine for raising and lowering a load, the machine including a platform, a boom attached at one end to the platform, a rod mounted transverse to the longitudinal axis of the boom on the other end of a boom, the rod having a central bore there through, with at least two strain gauges mounted therein and angled relative to each other, a hoist rope extending over the rod and having an end adapted to be attached to the load, and a mechanism connected to the at least two strain gauges for determining the angle of departure of the hoist rope from the rod and the amount of pull of the load on the hoist rope.

REFERENCES:
patent: 3695096 (1972-10-01), Kutsay
patent: 4532595 (1985-07-01), Wilhelm
patent: 4677579 (1987-06-01), Radomilovich
patent: 6225574 (2001-05-01), Chang et al.
patent: 6934616 (2005-08-01), Colburn et al.
patent: 7441464 (2008-10-01), Turnbull et al.
patent: 2003/0097885 (2003-05-01), Kell
patent: 2006/0137476 (2006-06-01), Bull et al.

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