Disposable seal driver and kit

Details Disposable seal driver and kit Disposable seal driver and kit

2000-02-18

2002-04-16

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

Metal working

Means to assemble or disassemble

To apply or remove a resilient article

C029S221600, C029S273000, C029S275000

Reexamination Certificate

active

06370751

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a disposable seal driver and kit for driving in vehicle shaft seals into a bore or cavity in housing surrounding a vehicle shaft, such as found on trucks.
2. Description of the Prior Art
Heretofore various devices for installing vehicle shaft seals around a vehicle shaft in a bore or cavity in a housing for the shaft seal have been proposed. Examples of previously proposed analogous and non-analogous shaft seal installation kits and devices are disclosed in the following analogous and non-analogous U.S. patents listed below:
U.S. Pat. No.
Patentee
1,069,539
Evans, Jr.
2,998,644
Thill
2,851,769
Johnson
4,515,376
Okamuro
4,586,228
Rodolf
5,013,050
Lansdale
5,052,695
Curtis
The Evans, Jr. U.S. Pat. No. 1,069,539 discloses a device for expanding an undulated ring by applying pressure against the undulated ring and moving it downwardly over a frusto-conical portion of an anvil, thereby to expand the ring. The ring is pressed downwardly by a bell-shaped follower by rotating a screw thread shaft.
The Thill U.S. Pat. No. 2,998,644 discloses a seal driver having an elongate shaft fixed to a plate mounting a ring-shaped molded plastic adaptor member which is adapted to seat against a seal for driving the seal into a cavity and onto a seat.
The non-analogous Johnson U.S. Pat. No. 2,851,769 discloses a pliers-like grease cap assembly for mounting a generally cup-shaped grease cap over a wheel bearing hub.
The Okamuro U.S. Pat. No. 4,515,376 discloses a seal installation device including a first generally cylindrical handle part and a second generally cylindrical handle. part, the first part being hollow and reciprocally receiving the second handle part. A seal is first placed onto the outside of the first handle part and the two handle parts are moved for placement of the seal into a counterbore.
The Rodolf U.S. Pat. No. 4,586,228 discloses a tool kit for installing transmission seals which includes a composite driver having an elongate base and a separate adapter. The adapter is generally hat-shaped and is adapted to mount a seal thereon and the elongate base portion has a socket for engaging one of a plurality of adapters mounting a seal and is adapted to provide a driver which can be hit with a hammer for driving the seal on the adapter into a hole for receiving the seal.
The Lansdale U.S. Pat. No. 5,013,050 discloses a disposable seal installation tool having a head capable of being hit with a hammer or mallet, an annular flange and a cylindrical support area for mounting a seal to be pounded into a bore.
The Curtis U.S. Pat. No. 5,052,695 discloses a seal installation tool having the same general shape of the tool disclosed in the Lansdale U.S. Pat. No. 5,013,050 including a head, an annular flange and a cylindrical portion having a cylindrical surface on which a shaft seal is demountably mounted.
SUMMARY OF THE INVENTION
According to the present invention, there is provided a disposable seal driver for driving in a hub oil seal into a cavity or counterbore for receiving same. The seal driver comprises a metal cup-shaped member having a top flat wall, an intermediate frusto-conical wall and a lower cylindrical skirt having a circular bottom drive edge. The seal driver can be part of a seal driver kit also including a short piece of wood.


REFERENCES:
patent: 1069539 (1913-08-01), Evans, Jr.
patent: 2851769 (1958-09-01), Johnson
patent: 2998644 (1961-09-01), Thill
patent: 3637244 (1972-01-01), Strizki
patent: 4515376 (1985-05-01), Okamuro
patent: 4586228 (1986-05-01), Rodolf
patent: 4586229 (1986-05-01), Rodolf
patent: 4667994 (1987-05-01), Foshee
patent: 5013050 (1991-05-01), Lansdale
patent: 5052695 (1991-10-01), Curtis
patent: 5235734 (1993-08-01), DuRocher et al.
patent: 5606897 (1997-03-01), Quinn
patent: 5799521 (1998-09-01), Kennedy
patent: 5830049 (1998-11-01), Haley et al.
patent: 5933894 (1999-08-01), Bates
patent: 6216413 (2001-04-01), Lapointe

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