Skin-fold caliper

Details Skin-fold caliper Skin-fold caliper

1977-02-03

1980-11-18

Little, Willis

Geometrical instruments

Area integrators

Electrical

33143M, 33174D, G01B 338

Patent

active

042337437

ABSTRACT:
A skin-fold caliper includes a base member having a handle portion and a jaw portion, a slide member having a mounting portion and a jaw portion, and a coiled spring attached between the base member and the slide member to bias the ends of the respective jaw portions together. The slide member is mounted within a recess defined by the base member for linear movement therealong. The spring is selected so that a change in its extended length does not effect a large change in the force applied to close the jaws. Herein, a thin wire spring with many coils housed between the base member and slide member is utilized to obtain this function.

REFERENCES:
patent: 1357323 (1920-11-01), Jaques
patent: 1958024 (1934-05-01), Stowell

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