US3827134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shrinking collars on a shaft
Assignee: Bethlehem Steel Corp
•
Filing: 1972-11-13
•
Granted: 1974-08-06
•
Expires: 1992-11-13
Abstract
Abstract Method and apparatus for shrinking a metallic collar onto a shaft, with means provided for applying a coolant to the circumference of the collar while maintaining pressure thereon.
Inventors
- 👤 R Wechsler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:31
CPC Classifications
B; B21; B21B; B21B28/00; B21B28/02; B23; B23P; B23P11/00; B23P11/02; B23P11/025; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
80 words
Apparatus for shrinking a heated collar on a shaft comprising: a. a frame, b. a support bracket mounted at one end of said frame, c. power means mounted on said support bracket, d. support means on said frame for mounting one end of said shaft adjacent said support bracket, e. means mounted on said power means to apply uniform pressure to said collar, and f. means adjacent said power means to apply a coolant to the circumference of said collar.
Claim 2
Dependent Claim
80 words
Apparatus for shrinking a heated collar on a shaft comprising: a. a frame, b. a support bracket mounted at one end of said frame, c. power means mounted on said support bracket, d. support means on said frame for mounting one end of said shaft adjacent said support bracket, e. means mounted on said power means to apply uniform pressure to said collar, and f. means adjacent said power means to apply a coolant to the circumference of said collar.
Claim 3
Dependent Claim
87 words
Apparatus for shrinking heated collars on the ends of a shaft comprising: a. a frame, b. support brackets mounted at the ends of said frame, c. power means mounted on each of said support brackets, d. support means on said frame for mounting the ends of said shaft adjacent said support brackets, e. means mounted on each of said power mEans to apply uniform pressure to said collars, and f. means adjacent each of said power means to apply a coolant to the circumference of said collars.
Claim 4
Dependent Claim
87 words
Apparatus for shrinking heated collars on the ends of a shaft comprising: a. a frame, b. support brackets mounted at the ends of said frame, c. power means mounted on each of said support brackets, d. support means on said frame for mounting the ends of said shaft adjacent said support brackets, e. means mounted on each of said power mEans to apply uniform pressure to said collars, and f. means adjacent each of said power means to apply a coolant to the circumference of said collars.
Claim 5
Dependent Claim
20 words
Apparatus according to claim 1 including means for adjusting said power means relative to the longitudinal axis of said shaft.
Claim 6
Dependent Claim
25 words
Apparatus according to claim 1 wherein the power means described in subparagraph (c) includes a pair of power cylinders pivotally mounted to said support bracket.
Claim 7
Dependent Claim
17 words
Apparatus according to claim 1 wherein the means recited in subparagraph (e) comprises a self-centering pressure plate.
Claim 8
Dependent Claim
34 words
Apparatus according to claim 1 wherein the means recited in subparagraph (e) comprises a self-centering pressure plate and further includes means for adjusting said power means relative to the longitudinal axis of said shaft.
Claim 9
Dependent Claim
14 words
Apparatus according to claim 2 including means to adjust the distance between said brackets.
Claim 10
Dependent Claim
20 words
Apparatus according to claim 2 including means for adjusting said power means relative to the longitudinal axis of said shaft.
Claim 11
Dependent Claim
17 words
Apparatus according to claim 2 wherein the means recited in subparagraph (e) comprises a self-centering pressure plate.
Claim 12
Dependent Claim
41 words
Apparatus according to claim 2 wherein the means recited in subparagraph (e) comprises a self-centering plate, and further includes means adjusting said power means relative to the longitudinal axis of said shaft and means to adjust the distance between said brackets.
References Cited (Backward Citations)
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Cited
US425510A
Cited
US870931A
Cited
US2609595A
Cited
US2787481A
Cited
US3098285A
Cited
US3530565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |