Gram beam force gauge

Details Gram beam force gauge Gram beam force gauge

1982-04-19

1983-11-22

Myracle, Jerry W.

Measuring and testing

Dynamometers

Responsive to force

G01L 104

Patent

active

044161620

ABSTRACT:
A gram beam force gauge has a housing having a peripheral wall and a partition with a front face and a rear face substantially perpendicular to the peripheral wall. A pointer overlies a dial mounted on the front face of the partition and is mounted on a rotatable shaft passing through the partition. A pinion on the shaft to the rear of the partition engages a sector gear mounted on a drum which in turn is rotatably mounted adjacent the rear face of the partition on an axis parallel to the axis of the pinion. A flexible band passes around the drum and has each free end connected to one end of an extension coil spring. The first spring has its outer end secured to the housing and the second spring has its other end secured to a slide for preloading the springs and zero adjusting the pointer. A force transmitting beam is secured to the drum and extends beyond the housing. Advantageously, the slide is a slotted block retained by a headed screw secured to the partition. It is preferred to have the band and spring straddling the sector gear and pinion and the force beam extending in a direction away from the springs.

REFERENCES:
patent: 1641603 (1927-09-01), Rockefeller, Jr.
patent: 2612042 (1952-09-01), Clarke

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