Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate
2005-03-08
2005-03-08
Heitbrink, Jill L. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
C264S272190
Reexamination Certificate
active
06863858
ABSTRACT:
A method and apparatus for forming and mounting a sleeve and a thrust member in a bore in a motor/gear drive housing shaft to support the motor/gear drive shaft against radial and axial movement. Gates are formed in the motor/gear drive housing and communicate with separate first and second bores in the housing. A mold core is inserted into the housing and closes off one bore to allow the injection of molten plastic into a cavity formed between the tip end portion of the mold core and the first bore to form an annular sleeve. The annular sleeve has an inner diameter larger than the outer diameter of the end tip portion of the motor/gear drive shaft to be nominally spaced from the outer diameter of the drive shaft, but is supportingly engaged by the drive shaft under radial deformation of the drive shaft. Insertion of the drive shaft into the housing causes the tip end portion of the drive shaft to sealing close the second bore in the housing allowing the injection of molten plastic into the second bore to form a thrust member axially engaged with the end of the drive shaft to resist axial movement of the drive shaft during operation.
REFERENCES:
patent: 4321748 (1982-03-01), Ito
patent: 5144738 (1992-09-01), Oyafuso
patent: 5218256 (1993-06-01), Umezawa et al.
patent: 5268607 (1993-12-01), McManus
patent: 5399025 (1995-03-01), Higuchi et al.
patent: 5485044 (1996-01-01), Mackay et al.
patent: 5770907 (1998-06-01), Danish et al.
Rosato et al., Injection Molding Handbook, second edition, International Thompson Publishing, pp. 257-261.
Andrews Gary S.
Danish Peter J.
Lombardo Frank R.
Williams David M.
Heitbrink Jill L.
Valeo Electrical Systems, Inc.
Young & Basile P.C.
LandOfFree
Windshield wiper motor with molded sleeve and thrust elements does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Windshield wiper motor with molded sleeve and thrust elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Windshield wiper motor with molded sleeve and thrust elements will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3410633