Energy dissipating elastomer damper

Details Energy dissipating elastomer damper Energy dissipating elastomer damper

2007-10-30

2007-10-30

Morano, S. Joseph (Department: 3617)

Railway draft appliances

Cushioned

Drawbars

Reexamination Certificate

active

11030656

ABSTRACT:
An energy dissipating elastomer damper comprises a generally hollow housing member having an interior aperture of a predetermined cross section. A first closure member is attached to one end of the housing and has an axial aperture and a second closure member is attached to the other end of the housing and has an axial aperture. A compressible resilient elastomer member is disposed within the interior aperture of the housing. A force transmitting member is disposed for axial movement within the compressible resilient elastomer member and has at least one spherical force transmitting portion of a predetermined shape disposed intermediate a first end extending through the axial aperture of the first closure member and a second end extending through the axial aperture of the second closure member. A force applied to one end of the force transmitting member causes compression of the compressible resilient elastomer member around the force transmitting member thus providing a resistance to movement thereof and absorbing and dissipating the energy of the applied force. The resistance to movement remains constant during the entire range of the travel.

REFERENCES:
patent: 2846211 (1958-08-01), Taylor
patent: 5501347 (1996-03-01), Merker, Jr. et al.
patent: 6446820 (2002-09-01), Barker et al.
patent: 6488162 (2002-12-01), Carlstedt
patent: 6681943 (2004-01-01), Barker et al.
patent: 62110038 (1987-05-01), None

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