Press-driven tool actuation system

Details Press-driven tool actuation system Press-driven tool actuation system

2007-06-29

2010-06-22

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S574000, C060S581000

Reexamination Certificate

active

07739871

ABSTRACT:
A hydraulically-operated press-driven tool actuation system includes a press-driven hydraulic power device and/or a hydraulically-powered tool actuator. In the tool actuator, at least two pistons are carried by a housing, and at least one return device is carried by the housing laterally inboard of the pistons. In the power device, a pump includes a piston disposed in a pump cylinder for pressurizing hydraulic fluid therein. An accumulator is in fluid communication with the pump cylinder, and includes a piston disposed in an accumulator cylinder that houses hydraulic fluid on one side of the piston. A body supports the pump and accumulator thereon and is in fluid communication between the pump and accumulator cylinders. The body includes a pressure relief valve downstream of the pump cylinder and upstream of the accumulator cylinder, and a check valve downstream of the accumulator cylinder and upstream of the pump cylinder.

REFERENCES:
patent: 3089375 (1963-05-01), Williamson
patent: 3407601 (1968-10-01), Beck
patent: 3688501 (1972-09-01), Ellis
patent: 3875365 (1975-04-01), Beneteau
patent: 5125234 (1992-06-01), Yonezawa et al.
patent: 5927178 (1999-07-01), Stenquist
patent: 5943862 (1999-08-01), Malina
patent: 6295813 (2001-10-01), Stenquist

Affiliated with

Also associated with

Rating

Press-driven tool actuation system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Press-driven tool actuation system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Press-driven tool actuation system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4208601