Concrete cutting chain with sealed joints

Details Concrete cutting chain with sealed joints Concrete cutting chain with sealed joints

1999-03-12

2000-10-31

Rachuba, M.

Stone working

Sawing

Endless

83830, 83832, 30381, B28D 100

Patent

active

061386588

ABSTRACT:
A saw chain for cutting aggregate material has sealing members to seal the pivotal connection between the center drive links and the rivets to prevent entry of contaminates into the bearing surfaces. In one arrangement, O-rings are mounted in grooves of the tie straps with the O-ring being compressively forced against the center drive link. The O-ring prevents entry of contaminants into the bearing surface between the bore of the center drive link and the rivet. In another arrangement spring type cup washers fit in a groove of the tie straps and the cup washers are biased against the center drive link.

REFERENCES:
patent: 1655856 (1928-01-01), Bens
patent: 3298406 (1967-01-01), Erickson
patent: 4546755 (1985-10-01), Gustavsson
patent: 5123400 (1992-06-01), Edgerton
patent: 5386756 (1995-02-01), Stehle
patent: 5645039 (1997-07-01), Egger et al.

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