Industrial shock absorber for use in a conveyor system

Details Industrial shock absorber for use in a conveyor system Industrial shock absorber for use in a conveyor system

2006-03-28

2009-10-13

Siconolfi, Robert A (Department: 3657)

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

C188S312000, C188S316000, C267S196000, C267S203000

Reexamination Certificate

active

07600617

ABSTRACT:
An apparatus for controlling relative movement between two interconnected bodies includes a first end cap, a second end cap having an opening, a sleeve interconnecting the end caps to define a chamber between the sleeve and the end caps, a piston assembly including a piston rod extending through the opening of the second end cap, a piston connected to the piston rod, received in the chamber to define at least two fluid chambers on opposed sides of the piston, and a plurality of rollers carried by the piston for rolling engagement with the sleeve. A fluid flow path provides communication between the fluid chambers and provides a restricted fluid flow rate therethrough to control the rate of fluid transfer between the fluid chambers and permit fluid pressure to increase in a chamber into which the piston is being moved to provide a force on the piston opposing its movement.

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