Multi-axis load cell with arcuate flexures

Details Multi-axis load cell with arcuate flexures Multi-axis load cell with arcuate flexures

1977-07-05

1978-07-11

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

G01L 516

Patent

active

040994090

ABSTRACT:
A load cell for measuring forces and moments in three orthogonal directions. The load cell has a central hub (101) and an exterior housing (110) with a plurality of arcuate flexure segments (141, 142, 143) coupled between the hub (101) and the housing (110), for receiving forces and moments applied to one and transmitting them to the other. Two sets of electrical displacement transducers, one set (121, 122, 123) arranged in pin-wheel fashion about an axis of the hub (101), the other set (131, 132, 133) parallel to the axis, measure the three angular and the three translational displacements of the hub. The three angular displacements and the three translational displacements are algebraically related to the forces and moments applied to the hub.

REFERENCES:
patent: 3879995 (1975-04-01), Libertiny
patent: 3939704 (1976-02-01), Zipin
patent: 4023404 (1977-05-01), Brendel

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