Vacuum activated power take off for winch

Details Vacuum activated power take off for winch Vacuum activated power take off for winch

1990-04-27

1993-06-08

Sotelo, Jesus D.

Traversing hoists

Having clutch or variable speed transmission

Power takeoff

B60K 2308

Patent

active

052171272

ABSTRACT:
A vacuum actuated power take off assembly for a winch which is preferably mounted on a vehicle and part of a tow truck structure of the type commonly known. A power shaft is connected in cooperative relation to the transmission vehicle and an activating means is operated through manipulation of a fluid operable switch which directs the negative pressure from the internal combustion engine to a fluid power drive structure which serves to dispose a connecting gear between the drive shaft and a power take off of the transmission into and out of operative position relative to drivingly attaching the drive shaft to the transmission for operation of the winch.

REFERENCES:
patent: 2128010 (1938-08-01), Miller
patent: 2136454 (1938-11-01), Miller
patent: 2162994 (1939-06-01), Baker
patent: 2206771 (1940-07-01), Dugas
patent: 2307611 (1943-01-01), Webster
patent: 2356598 (1944-08-01), Lang et al.
patent: 2687004 (1954-08-01), Rappl
patent: 2975875 (1961-03-01), Edelblut
patent: 4858716 (1989-08-01), Kano et al.
patent: 4960192 (1990-10-01), Kurihara

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