Composite cushion pad

Details Composite cushion pad Composite cushion pad

1981-12-14

1984-02-28

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Nonmetallic, resilient element

267153, F16F 140

Patent

active

044338341

ABSTRACT:
A composite cushion pad for railroad cars or off-the-road vehicles is disclosed. The composite cushion pad can be circular or rectangular, depending on its use. The circular composite cushion pad is composed of a rigid circular plate having a centrally disposed opening which is surrounded by two juxtaposed, resilient elastomeric annular cushions that form a composite cushion which is bonded to at least one side of the plate. The two annular cushions each have a generally frusto-conically shaped cross-section and are dissimilarly sized so that the composite cushion has a pair of opposing stepped sidewalls. The rectangular composite cushion pad is composed of a rigid rectangular plate. A first, resilient elastomeric cushion with a generally frusto-conically shaped cross-section, is bonded to the rectangular plate and at least one smaller sized resilient elastomeric cushion, also with a generally frusto-conically shaped cross-section, is disposed atop the first cushion to again form a composite cushion which extends from at least one side of the plate and which also has a pair of opposing stepped sidewalls.

REFERENCES:
patent: 3086765 (1963-04-01), Zanow
patent: 3434708 (1969-03-01), Hawk
patent: 3796167 (1974-03-01), Van Moss
patent: 3997151 (1976-12-01), Leingang

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