Land vehicles: dumping – Miscellaneous – Vibrator means to facilitate removal of material
Patent
1981-10-28
1984-03-20
Werner, Frank E.
Land vehicles: dumping
Miscellaneous
Vibrator means to facilitate removal of material
105240, 222504, 298 23MD, B60P 126
Patent
active
044377053
ABSTRACT:
A hydraulically controlled mechanism employed to automatically raise and lower the sideboard of a truck box includes provision for positively locking the sideboard when it is in the fully closed position such that inadvertent opening of the sideboard is prevented even in the event of the loss of hydraulic pressure.
REFERENCES:
patent: 2261099 (1941-10-01), Fairbanks
patent: 3773385 (1973-11-01), Sandberg
patent: 3977718 (1976-08-01), Nordberg
patent: 4052106 (1977-10-01), Louderback, Jr.
patent: 4076310 (1978-02-01), Schwalm
Hein William E.
Werner Frank E.
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