Apparatus for coupling a cutting tool to a vehicle

Details Apparatus for coupling a cutting tool to a vehicle Apparatus for coupling a cutting tool to a vehicle

1996-05-03

1998-03-31

Dorner, Kenneth J.

Joints and connections

With fluid pressure responsive component

403 37, 403 81, 403111, 56 104, 172 9, 37403, F16D 380

Patent

active

057330590

ABSTRACT:
An apparatus (10) for coupling a cutting tool (12) to a vehicle (14) such as a tractor that permits the cutting tool (12) to pivot to a released position when it contacts an obstruction (38) and that returns the cutting tool (12) to its cutting position at a controlled speed after the cutting tool has cleared the obstruction is disclosed. The coupling apparatus (10) includes a frame (18) pivotally coupled to the vehicle (14) and fixedly coupled with the cutting tool(12) and a rotary actuator (18) for pivoting the frame (16) and the cutting tool (12) between their cutting and released positions at a controlled speed.

REFERENCES:
patent: 3543489 (1968-10-01), Maier et al.
patent: 3750757 (1973-08-01), Saetti
patent: 3897832 (1975-08-01), Leedahl et al.
patent: 4013129 (1977-03-01), Wilkinson
patent: 4037395 (1977-07-01), Henkensiefken et al.
patent: 4304087 (1981-12-01), Zweegers
patent: 4463658 (1984-08-01), Heiser et al.
patent: 4506464 (1985-03-01), Cartner
patent: 4970848 (1990-11-01), Neuerburg
patent: 5566537 (1996-10-01), Kieffer et al.
Rotac/Hyd-ro-ac-Hydraulic & Pneumatic Rotary Actuators published by Micro-Precision Operations, Inc., a Subsidiary of Textron, Inc., Berne, Indiana 46711, "HS Models High Pressure 3000 PSI Hollow Shaft", pp. HS-1 through HS-4.

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