Apparatus for greasing wheel bearings

Details Apparatus for greasing wheel bearings Apparatus for greasing wheel bearings

1990-02-06

1992-01-14

Lazarus, Ira S.

Lubrication

Lubricators

Nipple or fitting

184 51, F16N 2100

Patent

active

050801988

ABSTRACT:
A device for injecting grease into a wheel bearing avoids the need for removing the seal ring of the wheel bearing. The device has a hollow mandrel with a closed bottom. A flange extends outward from the mandrel for contact with an inner cage ring of the hearing. A collar extends radially outward from the mandrel above the flange. The collar has an outer edge for contacting the seal ring. The collar is axially movable relative to the flange. A spring urges the collar and flange apart from each other. A port is located in the mandrel between the collar and the flange. A grease fitting allows grease to be introduced into the mandrel to flow out the port, into the space between the collar and the flange, and into the wheel bearing.

REFERENCES:
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patent: 2438128 (1948-03-01), Poyner
patent: 2886132 (1959-05-01), Gittinger et al.
patent: 2911068 (1959-11-01), Wright
patent: 3724596 (1973-04-01), Freda
patent: 3903992 (1975-09-01), Chivukula et al.
patent: 3955852 (1976-05-01), De Puydt et al.
patent: 4058185 (1977-11-01), Ploeger
patent: 4106816 (1978-08-01), August
patent: 4113061 (1978-09-01), Peaster
patent: 4190133 (1980-02-01), Ploeger
patent: 4293056 (1981-10-01), Setree

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