Chain cover

Details Chain cover Chain cover

1996-08-01

1998-07-14

Graysay, Tamara L.

Endless belt power transmission systems or components

Guard or housing for belt or pulley

Connected to belt

474144, 474146, 19880301, B62J 1300, F16D 100

Patent

active

057795835

ABSTRACT:
A chain cover including a plurality of first cover blocks and a plurality of second cover blocks. Each of the blocks has a pair of side walls each having a projecting portion at an inner side thereof. The projecting portions have configurations which conform with lateral faces of outer link plates of a chain so as to receive the outer link plates. Each of the first and second cover blocks further has a bridge connecting the side walls, and the side walls are formed with a convex front edge portion and a concave rear edge portion. The concave rear edge portion of the second cover blocks are rotatably slidable on the convex front edge portion of an adjacent one of the first cover blocks. The convex front edge portions and the concave rear edge portions lie along portions of the a cylindrical surface having a central axis including the corresponding pins of the chain. Also, the projecting portions of the first and second cover block are inserted into a space formed by the outer link plates and the inner link plates of the chain. Therefore, the chain cover is able to flex along with the flexing crooking action of the chain.

REFERENCES:
patent: 1757652 (1930-12-01), Bethke
patent: 2954113 (1960-01-01), Hibbard et al.
patent: 3738478 (1973-06-01), Tourtellotte
patent: 4664253 (1987-05-01), Fahrion
patent: 4854924 (1989-08-01), Nagano
patent: 5445569 (1995-08-01), Blase

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