Equipment for the measurement of minute weight forces

Details Equipment for the measurement of minute weight forces Equipment for the measurement of minute weight forces

1980-06-17

1982-08-17

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177255, G01G 314, G01G 2124

Patent

active

043444954

ABSTRACT:
The equipment according to the invention is suitable for the measurement of very small weight forces by conversion of the forces to be measured to 5-100-fold value. The equipment has two units, each containing at least three measuring arms, where the connection points of the measuring arms are attached to an extension bar, and the free ends of the measuring arms are connected to a single rigid element in such a way, that the connection points of the measuring arms are outside the planes fixed by the ends attached to the rigid element. The measuring arms and extension bar in the equipment are formed as pull rods. The measuring arms are arranged symmetrically or asymmetrically, and their number is optional. Infinite number of measuring arms may be used, in which case they are formed as membranes in the practice. Force-meter sensors, suitably elongation measuring resistors are built into the measuring arms, thus the output signal gives directly the measured value.

REFERENCES:
patent: 3985025 (1976-10-01), Ormond
patent: 4029163 (1977-06-01), Allen
patent: 4067408 (1978-01-01), Dodds et al.

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