Communications: electrical – Selective – Having indication or alarm
Patent
1979-03-19
1981-02-10
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
200 6191, 307 10R, 340 55, 340 70, 340522, B60Q 500, G08B 1900
Patent
active
042504864
ABSTRACT:
An industrial vehicle is provided with a motion alarm actuated such as to never sound when the vehicle is stationary, to always sound when the vehicle moves rearwardly and to sound during forward vehicle motion except when the vehicle engine is running and the shift lever is placed in a position intended for forward vehicle motion.
REFERENCES:
patent: 2580677 (1952-01-01), Hadley
patent: 2920156 (1960-01-01), Rice et al.
patent: 3439324 (1969-04-01), Kirimoto et al.
patent: 3569927 (1971-03-01), Guyton et al.
patent: 3827024 (1974-07-01), Anderson et al.
patent: 4128827 (1978-12-01), Coleman et al.
Cade Richard L.
Kiefer Edward H.
Lysenko George P.
Caldwell Sr. John W.
Deere & Company
Nowicki Joseph E.
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