Patent EP0697670A1 successfully refreshed from Google Patents.
US3132237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling and securing shock absorber guide sleeves to operating rods
Assignee: Motors Liquidation Co
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Filing: 1961-05-08
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Granted: 1964-05-05
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 John F Pribonic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/3271; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/493; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T403/00; Y10T403/47; Y10T403/472; Y10T403/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
THE METHOD OF SECURING A SLEEVE CYLINDER ON A ROD IN ENCIRCLING CONCENTRIC SPACED RELATION, COMPRISING THE STEPS OF, SHAPING A CYLINDRICAL ROD WITH AN ANNULAR GROOVE FORMING AN ANNULAR SHOULDER AND WITH A REDUCED DIAMETER END PORTION SPACED AXIALLY FROM THE GROOVE WITH AN ANNULAR RADIAL FLANGE PORTION FORMED THEREBY BETWEEN SAID GROOVE AND SAID REDUCED DIAMETER PORTION WITH SAID FLANGE PORTION OF A DIAMETER LESS THAN SAID ROD BUT GREATER THAN SAID REDUCED DIAMETER PORTION, POSITIONING A SLEEVE CYLINDER ON SAID REDUCED DIAMETER PORTION TO ENCIRCLE THE SAME WITH ONE END POSITIONED OVER SAID GROOVE AND ABUTTING SAID SHOULDER, AND HEATING SAID END PORTION OF SAID SLEEVE CYLINDER TO A TEMPERATURE SUFFICIENT TO PERMIT PLASTIC DEFORMATION OF SAID END PORTION WHILE CONCURRENTLY APPLYING PRESSURE TO SAID SLEEVE CYLINDER IN AN AXIAL DIRECTION TO EFFECT THEREBY DEFORMATION OF THE SAID END PORTION INTO SAID GROOVE BETWEEN SAID SHOULDER AND SAID FLANGE PORTION, AND THEN ALLOWING SAID END PORTION TO COOL TO RETAIN THE DEFORMED CONTOUR IN SAID GROOVE AND LOCK THEREBY SAID SLEEVE AGAINST AXIAL MOVEMENT ON SAID ROD.
Claim 2
Independent Claim
180 words
THE METHOD OF SECURING A SLEEVE CYLINDER ON A ROD IN ENCIRCLING CONCENTRIC SPACED RELATION, COMPRISING THE STEPS OF, SHAPING A CYLINDRICAL ROD WITH AN ANNULAR GROOVE FORMING AN ANNULAR SHOULDER AND WITH A REDUCED DIAMETER END PORTION SPACED AXIALLY FROM THE GROOVE WITH AN ANNULAR RADIAL FLANGE PORTION FORMED THEREBY BETWEEN SAID GROOVE AND SAID REDUCED DIAMETER PORTION WITH SAID FLANGE PORTION OF A DIAMETER LESS THAN SAID ROD BUT GREATER THAN SAID REDUCED DIAMETER PORTION, POSITIONING A SLEEVE CYLINDER ON SAID REDUCED DIAMETER PORTION TO ENCIRCLE THE SAME WITH ONE END POSITIONED OVER SAID GROOVE AND ABUTTING SAID SHOULDER, AND HEATING SAID END PORTION OF SAID SLEEVE CYLINDER TO A TEMPERATURE SUFFICIENT TO PERMIT PLASTIC DEFORMATION OF SAID END PORTION WHILE CONCURRENTLY APPLYING PRESSURE TO SAID SLEEVE CYLINDER IN AN AXIAL DIRECTION TO EFFECT THEREBY DEFORMATION OF THE SAID END PORTION INTO SAID GROOVE BETWEEN SAID SHOULDER AND SAID FLANGE PORTION, AND THEN ALLOWING SAID END PORTION TO COOL TO RETAIN THE DEFORMED CONTOUR IN SAID GROOVE AND LOCK THEREBY SAID SLEEVE AGAINST AXIAL MOVEMENT ON SAID ROD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |