Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-01-03
1991-07-30
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
73161, 267182, 324691, G08B 2100, F16F 100
Patent
active
050363123
ABSTRACT:
A spring failure detection and safety system comprising detection devices for continuously monitoring the life of a spring, and detecting and signalling its imminent or actual failure. The system also may comprise warning devices that have sensory outputs capable of informing a human operator of a spring failure. It may also comprise a memory device that would receive and store the failure detection signal, for example, for the purpose of informing maintenance personnel of the failure, or to serve as part of a test or failure evaluation system. The invention may also comprise a safety feature consisting of one or more springs to operate redundantly with the first spring, to protect against spring failure.
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Melamed Phillip H.
Motorola Inc.
Mullen Jr. Thomas J.
Swann III Glen R.
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