Title: Hour meter operated responsive to tachometer signal

Abstract: An hour meter on a tractor for registering the operating time of the tractor connected for receiving a tachometer signal to energize the hour meter circuit and thereby register the time of engine operation of the vehicle responsive to actual operating time of the engine.

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Inventors: Leveraus, James E. (Milwaukee, WI, US)

Application Number: 536088
Filing Date: 1974-12-24
Publication_date: 1976-04-06
Assignee: Allis-Chalmers Corporation (Milwaukee, WI)
Primary Class(es): 368/9 368/5, 368/6
Other Classes:
US Patent Ref:

1340324	May, 1920	Buck	58/146.
3379056	Apr, 1968	Ellison	58/146.
3636703	Jan, 1972	Dileski	58/146.

Other Refs:
Primary Examiner: Miller, Jr., George H.
Assistant Examiner:
Attorney: Nelson; Arthur L.