Increasing traction of rolling wheel

Details Increasing traction of rolling wheel Increasing traction of rolling wheel

1982-06-29

1984-12-04

Beltran, Howard

Track sanders

Fluid delivery

222504, 222518, 222630, 291 36, B60B 3906, B60B 3908, B61C 1510

Patent

active

044860390

ABSTRACT:
A sleeve having a readily removeable attachment to a tank containing gritty particulate supports a piston and cylinder device for opening normally closed valve seats to permit flow of the particulate to the path of a rolling vehicle wheel. The device is actuated to open position by compressed gas which is directed against the particulate flowing through the sleeve only when the valve seats are open.

REFERENCES:
patent: 713910 (1902-11-01), McLaughlin
patent: 847270 (1907-03-01), Wise
patent: 896968 (1908-08-01), Barnett
patent: 990016 (1911-04-01), Shull
patent: 2625417 (1953-01-01), Sundheim

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