Device for mounting bearings onto a shaft

Details Device for mounting bearings onto a shaft Device for mounting bearings onto a shaft

1999-12-13

2001-07-31

Hail, III, Joseph J. (Department: 3723)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S252000, C029S258000

Reexamination Certificate

active

06266861

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a device for mounting bearings on a shaft. The device includes a pushing member movably engaged with a tube fixedly connected to the shaft. Three rods are connected between the pushing member and the bearing, the pushing member is moved by a hydraulic tool to move the bearing along the shaft.
BACKGROUND OF THE INVENTION
FIG. 1
shows a conventional bearing puller which is used to pull a bearing from a shaft. However, there is a lack for providing a tool to easily mount bearings onto a shaft. A conventional way to mount bearings to a shaft is illustrated in
FIG. 2
, wherein the bearing
100
is first mounted to an end of the shaft
101
, and the operator uses wood or plastic beetles
102
to hit the bearing
100
so that the bearing
100
is moved inch by inch to be located to a desired position on the shaft
101
. It takes a lot of time and cannot precisely position the bearing
100
onto the shaft
101
. Besides, the bearing
100
could be damaged. Some hydraulic machines are used to push bearings onto a shaft. These hydraulic machines can only to engage with bearings that have specific specifications and the machines are expensive.
The present invention intends to provide a device to mount bearings onto a shaft, the device can engage the bearings without size limitations and involves simple structure.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a device for mounting bearings onto a shaft. The device comprises a tube having a closed bottom and an open end. At least two grooves are defined longitudinally in the tube and communicate with the open end. An engaging means connects the closed bottom of the tube and the shaft. A pushing member has at least two wings which are movably received in the at least two grooves. Each of the at least two wings having a rod contacting the bearing. The pushing member is pushed by a hydraulic pushing rod to move the bearing on the shaft.
The object of the present invention is to provide a device that pushes bearings onto a shaft wherein the device can be used to push bearings having different sizes.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.


REFERENCES:
patent: 3908258 (1975-09-01), Barty
patent: 3964149 (1976-06-01), Hugh
patent: 4649615 (1987-03-01), Hundley
patent: 5233740 (1993-08-01), Chen
patent: 5419027 (1995-05-01), McPeak et al.
patent: 5557833 (1996-09-01), Pool
patent: 5896639 (1999-04-01), Chen

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