Frictional shock absorber enclosed within a housing
AssigneeStone & Webster Engineering Corp.
InventorsGeorge H. East, Jr., Robert E. Roemer, Karl A. Chapsky
Life of this patent
Estimating the term…
Abstract
A shock absorbing device having an axial friction brake for the minimization of dynamic motion while allowing motion, seen as especially useful as an alternative to, or in the replacement of, snubber devices. The shock absorbing device has a movable shaft which is attached to the object to be supported during dynamic motion at one end and a frictional surface which contacts a brake assembly at the other. The brake assembly is located within a housing, which is directly or indirectly attached to a nonmovable support, and is provided with one or more friction pads which contact the frictional surface. The brake assembly may be adjustable for varying load amplitude.
Claims18
A shock absorbing device comprising:
- a shaft having a first end, to be attached to an object to be supported by a means of attachment, and a frictional surface of uniform width at a second end, said shaft adapted to move axially, without rotational movement, when said object to be supported is subjected to motion;
- a housing to be attached to a non-moveable support and comprising a means for receiving at least a portion of the shaft;
- a brake assembly located within the housing and operatively connected to the housing and comprising at least one frictional surface engaging means, adapted to engage under pressure the frictional surface of the shaft to thereby at least partly restrain the axial movement of the shaft, and an adjustment means for adjusting the pressure of the frictional surface engaging means against the frictional surface to provide variable uniform resistance to linear motion depending on load amplitude.
Dependencies are inferred from the claim text.