Acceleration indicator

Details Acceleration indicator Acceleration indicator

1978-04-13

1979-03-13

Yasich, Daniel M.

Signals and indicators

Vehicle

Motion and direction

73492, 105 1A, 116203, G01P 1500

Patent

active

041436156

ABSTRACT:
An acceleration indicator including an anti-tampering arrangement adapted to be secured to a railway freight car for detecting pre-selected destructive impacts on the the car. The indicator includes a generally hat-shaped casing having a normally obscured movable plate or flag carried therewithin by a spring biased pendulum supported on a vertical plate secured within the casing. The vertical plate also supports the anti-tampering arrangement such that when the indicator is subjected to a preselected impact, the pendulum swings clear of the flag and drops by gravity into a position where it can be observed whereat it is entrapped by the anti-tampering arrangement.

REFERENCES:
patent: 3145571 (1964-08-01), Maynard et al.
patent: 3418964 (1968-12-01), Peterson
patent: 3581577 (1971-06-01), Ray, Jr.

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