Sprocket with indentations forming hydrodynamic bearings

Details Sprocket with indentations forming hydrodynamic bearings Sprocket with indentations forming hydrodynamic bearings

1996-12-03

1999-07-20

Marmor, Charles A.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Including lubrication or particular guide or bearing for...

474 91, 30384, F16H 5556, F16H 5704, B23D 5702

Patent

active

059249455

ABSTRACT:
A nose sprocket for a chain saw guide bar, where the bottom part of the teeth or the outermost part of the central region or both have indentations with softly inclined trailing edges, acting as hydrodynamical bearings to keep the sprocket centered between the side plates of the guide bar.

REFERENCES:
patent: 449166 (1891-03-01), McCray
patent: 3044506 (1962-07-01), Oehrli
patent: 3279508 (1966-10-01), Ehlen et al.
patent: 4048863 (1977-09-01), Pemberton
patent: 4321750 (1982-03-01), Sugihara
patent: 4414876 (1983-11-01), Loigerot
patent: 4559028 (1985-12-01), Reeves, Jr.
patent: 4589860 (1986-05-01), Brandenstein et al.
patent: 4593591 (1986-06-01), Beerens
patent: 4813916 (1989-03-01), Valin
patent: 5092044 (1992-03-01), Edgerton et al.
patent: 5556111 (1996-09-01), Sedy
Derwent's Abstract No. 94-80852/10, Abstract of RU 2002607, Nov. 15, 1993.

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