Needle bearing wear reduction arrangement

Details Needle bearing wear reduction arrangement Needle bearing wear reduction arrangement

1981-04-27

1983-01-04

Levy, Stuart S.

Cutlery

308207R, 464 11, 464132, F16C 3330, F16C 3504

Patent

active

043669964

ABSTRACT:
A needle bearing wear reduction arrangement for causing a series of needle bearings to positively circumferentially migrate in the annular space between a trunnion and a bearing cup. A free floating washer has a series of radially extending circumferentially spaced serrations on the washer face proximate one of the ends of the needle bearings. During relative movement between the trunnion and bearing cup, the lubricant flow in the annular space causes the washer face to intermittently engage the ends of the needle bearings and one or more of the serrations pick up and move one or more of the needle bearings circumferentially between the trunnion and bearing cup. The serrations are spaced differently than the circumferential spacing of the needle bearings to ensure that the washer will not ride with all of the needle bearings.

REFERENCES:
patent: 2276301 (1942-03-01), Gregory
patent: 2540548 (1951-02-01), Rolph
patent: 3501209 (1970-03-01), Ende
patent: 4067626 (1978-01-01), McElwain
patent: 4103512 (1978-08-01), McElwain et al.
patent: 4130325 (1978-12-01), Schultenkamper

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