Endless belt power transmission systems or components – Positive drive belt – Belt formed of rigid links
Patent
1992-09-11
1993-12-14
Britts, Ramon S.
Endless belt power transmission systems or components
Positive drive belt
Belt formed of rigid links
474219, 474231, F16G 1302
Patent
active
052697290
ABSTRACT:
The invention provides sealing members for a chain. A pair of sealing members is provided for each end of a bushing. The sealing members respectively surround the ends of the bushing and are housed between inner sidebar portions and the outer sidebar portions of the chain. Each of the sealing members includes a collar which is pressed onto one of the ends of the bushing and which is positioned in closely spaced relation to one of the inner sidebars. Each collar has a circumferential flange or outer and inner collar portions which extend toward and engage one of the outer sidebars. Each collar defines an annular groove surrounding the bushing. Each sealing member further includes a resilient sealing ring housed in each annular groove. Each resilient sealing ring surrounds the bushing and engages in a sealing relation with the outer sidebar engaged by the collar in which it is housed.
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Rexnord Corporation, Ultr-O-Life The O-Ring Roller Chain From Rex, Oct. 91.
Miller Robert M.
Seaman George C.
Thuerman John H.
Britts Ramon S.
Schoeppel Roger J.
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