US3238558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilted axle caster brake
Assignee: Shepherd Casters Inc
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Filing: 1964-05-27
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Granted: 1966-03-08
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:03
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0047; B60B33/0052; B60B33/02; B60B33/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN AN ENCLOSED TILTED AXLE CASTER, CUP-LIKE HOLLOW CASTER BODY HAVING AN EDGE DEFINING AN OPEN FACE, A CUPLIKE HOLLOW CASTER WHEEL HAVING AN EDGE DEFINING AN OPEN FACE, SAID OPEN FACES BEING DISPOSED ADJACENT AND PARALLEL TO EACH OTHER, COOPERATING BEARING SLEEVE AND AXLE ELEMENTS RIGID RESPECTIVELY WITH SAID BODY AND SAID WHEEL AND PERPENDICULAR TO AND CENTERED ON SAID OPEN FACES TO MOUNT THE CASTER WHEEL FOR ROTATION WITH RESPECT TO THE CASTER BODY, MEANS ON SAID CASTER BODY DEFINING A VERTICAL CASTERING AXIS FOR THE CASTER BODY, A BRAKE MEMBER MOUNTED ON SAID CASTER BODY FOR MOVEMENT BETWEEN A BRAKING POSITION WHEREIN SAID MEMBER ENGAGES AN INNER SURFACE OF THE CASTER WHEEL AND A RELEASED POSITION WHEREIN THE MEMBER IS SPACED FROM SAID SURFACE, SPRING MEANS MOUNTED IN SAID CASTER BODY URGING THE BRAKE MEMBER TO ITS BRAKING POSITION, AND OPERATING MEANS ON SAID CASTER BODY INCLUDING AN ARM LOCATED EXTERNALLY OF THE CASTER BODY FOR SHIFTING SAID BRAKE MEMBER POSITIVELY TO SAID RELEASED POSITION.
Claim 2
Dependent Claim
168 words
IN AN ENCLOSED TILTED AXLE CASTER, CUP-LIKE HOLLOW CASTER BODY HAVING AN EDGE DEFINING AN OPEN FACE, A CUPLIKE HOLLOW CASTER WHEEL HAVING AN EDGE DEFINING AN OPEN FACE, SAID OPEN FACES BEING DISPOSED ADJACENT AND PARALLEL TO EACH OTHER, COOPERATING BEARING SLEEVE AND AXLE ELEMENTS RIGID RESPECTIVELY WITH SAID BODY AND SAID WHEEL AND PERPENDICULAR TO AND CENTERED ON SAID OPEN FACES TO MOUNT THE CASTER WHEEL FOR ROTATION WITH RESPECT TO THE CASTER BODY, MEANS ON SAID CASTER BODY DEFINING A VERTICAL CASTERING AXIS FOR THE CASTER BODY, A BRAKE MEMBER MOUNTED ON SAID CASTER BODY FOR MOVEMENT BETWEEN A BRAKING POSITION WHEREIN SAID MEMBER ENGAGES AN INNER SURFACE OF THE CASTER WHEEL AND A RELEASED POSITION WHEREIN THE MEMBER IS SPACED FROM SAID SURFACE, SPRING MEANS MOUNTED IN SAID CASTER BODY URGING THE BRAKE MEMBER TO ITS BRAKING POSITION, AND OPERATING MEANS ON SAID CASTER BODY INCLUDING AN ARM LOCATED EXTERNALLY OF THE CASTER BODY FOR SHIFTING SAID BRAKE MEMBER POSITIVELY TO SAID RELEASED POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |