Accelerometer with support caging

Details Accelerometer with support caging Accelerometer with support caging

1991-05-17

1993-02-02

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73514, 73526, G01P 1508

Patent

active

051829495

ABSTRACT:
An improved accelerometer of the type that comprises a paddle (30), a support (32), and suspension means (34) for suspending the paddle from the support, such that the paddle can move along a sensing axis. The support includes an unclamped portion (42) to which the suspension means is attached, and a clamped portion (40) through which the support is mounted. The invention provides restraining means (72, 100, 120, 132, 134, 176, 196, 206) separate from the clamped portion of the support, for limiting the travel of the unclamped portion in directions normal to the sensing axis, for example, along the hinge axis. The result is an accelerometer able to withstand higher cross axis shocks without failure.

REFERENCES:
patent: 4854169 (1989-08-01), Sakuma et al.
patent: 4926689 (1990-05-01), Hanson
patent: 4932258 (1990-06-01), Norling

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