Sine plate adjustable tension clamp

Details Sine plate adjustable tension clamp Sine plate adjustable tension clamp

1990-06-14

1990-12-11

Haroian, Harry N.

Geometrical instruments

Gauge

Angle

G01B 330

Patent

active

049760424

ABSTRACT:
An adjustable clamp is provided for sine plates that make use of gage blocks to set the appropriate height and angle. A chain is disposed through a clamp block having two capstans. An adjustable screw bolt wedges the chain against the capstans and can increase or decrease the tension on the chain depending on whether the chain is pulled between the capstans or released. The chain ends are bolted to the bottom plate of the sine plate and hooked over a catch on the upper plate. Increasing the tension in the chain applies pressure between the gage block and the plates of the sine plate to prevent the gage block from being inadvertently displaced. The clamp stabilizes the sine plate so that the workpiece has a stable mounting.

REFERENCES:
patent: 2609612 (1952-09-01), Mull
patent: 2816489 (1957-12-01), Robbins et al.
patent: 3432934 (1969-03-01), Schmidt

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