Back-up alarm with improved keeper

Details Back-up alarm with improved keeper Back-up alarm with improved keeper

1975-05-09

1976-06-01

Swisher, S. Clement

Signals and indicators

Vehicle

Vehicle-energy actuated

116 56, B60Q 500

Patent

active

039601048

ABSTRACT:
A wheel hub mountable back up alarm is disclosed having a plurality of ringing units mounted interiorly of a bell. Each ringing unit has an improved clapper and an improved interacting keeper to prevent forward wheel motion ringing, to retard alarm freezing and sticking, and to provide minimum wear on non-ringing rotation.

REFERENCES:
patent: 2802441 (1957-08-01), Epstein
patent: 2807229 (1957-09-01), Bookwalter
patent: 2915036 (1959-12-01), Bookwalter
patent: 3065726 (1962-11-01), Warn
patent: 3092069 (1963-06-01), Baird
patent: 3492967 (1970-02-01), Raschke
patent: 3793982 (1974-02-01), Peterson

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