Chain drive or return arrangement and chain assembly and...

Details Chain drive or return arrangement and chain assembly and... Chain drive or return arrangement and chain assembly and...

2006-08-17

2011-10-18

Siconolfi, Robert (Department: 3657)

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

C474S206000

Reexamination Certificate

active

08038558

ABSTRACT:
Chain return arrangement and sprocket and chain assembly employed therein with the bow flanks of the horizontal chain links (1) of the chain assembly (10) exhibiting a concave trough at least below an equatorial line (7) and the chain link pockets (52) of the sprocket (50) that receive the horizontal chain links at their tooth flanks (53) in the contact areas (55) to the chain links (1) having a convex crown shape to match the troughed bow flank. This significantly reduces the surface pressures between the two parts.

REFERENCES:
patent: 4473364 (1984-09-01), Roling
patent: 4850942 (1989-07-01), Dalferth
patent: 5318483 (1994-06-01), Reid et al.
patent: 6168543 (2001-01-01), Matsuda
patent: 6925794 (2005-08-01), Dalferth et al.
patent: 196 10 935 (1996-03-01), None

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