Measuring and testing – Dynamometers – Responsive to force
Patent
1984-03-20
1986-03-18
Woodiel, Donald O.
Measuring and testing
Dynamometers
Responsive to force
338 5, G01L 122
Patent
active
045760535
ABSTRACT:
A load detector which includes a pin-like member arranged between force-transmitting members, a hole formed in the pin-like member along its neutral axis for bending deformations thereof, an insertion member inserted in the hole and having at both end parts thereof securement portions and at a central part thereof one or more deformation-sensing portions which are provided with their axis of symmetry coincident with the neutral axis of the pin-like member, are responsive to each load applied to the pin-like member, undergo deformations and hence enlarge the resulting strain, and a mechanism for converting the extent of deformation of the deformation-sensing portions into signals so as to obtain only portion of the resulting strain which portion has been produced by each shear deformation of the pin-like member. Owing to the position of the hole, the pin-like member has sufficient strength and rigidity and can thus be used as a connecting pin or bolt. The load detector can detect loads with high sensitivity even if the points of action of the loads change.
REFERENCES:
patent: 3620074 (1971-11-01), Laimins et al.
patent: 3695096 (1972-10-01), Kutsay
patent: 4362053 (1982-12-01), Barrett
patent: 4364279 (1982-12-01), Stern et al.
patent: 4420985 (1983-12-01), Raskin
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