Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1980-06-30
1982-12-14
Herrmann, Alan D.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
180272, 192 4A, 200 6188, 200 6191, 340 52R, F02N 1510, B60K 2800, G08B 2100
Patent
active
043632491
ABSTRACT:
A neutral safety switch is moved to a closed position upon shifting of an automatic transmission to a neutral position but moved to an open position when the automatic transmission is shifted to a drive position. An air pressure responsive switch is moved to a closed position when air brake pressure is reduced to set alternative brakes and is in series with a bell, buzzer, light or other signal producing device. A control device is controlled by the neutral safety switch, so as to close one circuit, whereby an ignition control may be utilized to start the engine with the transmission in neutral position, but to close an alternative circuit, whereby the signal device will be activated with the alternative brakes set, when the neutral safety switch is moved to open position.
REFERENCES:
patent: 2431117 (1947-11-01), Hadley
patent: 3381269 (1968-04-01), Fierbaugh et al.
patent: 3439324 (1969-04-01), Kirimoto et al.
patent: 4250486 (1981-02-01), Kiefer et al.
Herrmann Alan D.
Van Valkenburgh Horace B.
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