Hollow roller

Details Hollow roller Hollow roller

1988-11-18

1990-04-17

Wright, Dirk

Planetary gear transmission systems or components

Planet pinion is friction gear

384625, 475901, F16H 1306

Patent

active

049169815

ABSTRACT:
A hollow roller which comprises a hardened outer surface, and a non-hardened inner surface which has not been subjected to carburization process, whereby soft portions remain at the inner surface of the hollow roller in order to prevent the inner surface from being cracked in response to external shock. Preferably, the hollow roller is applied to a planet roller or a cylindrical roller.

REFERENCES:
patent: 1757476 (1930-05-01), Rennerfelt
patent: 2145864 (1939-02-01), Denneen et al.
patent: 4240682 (1980-12-01), Benson
patent: 4659241 (1987-04-01), Bamberger et al.
patent: 4696581 (1987-09-01), Tsushima et al.

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