US3128992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable and lockable offset pulley
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:34
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PULLEY ASSEMBLY COMPRISING MEANS MOUNTING A PULLEY WHEEL FOR FREE ROTATION INCLUDING TWO SPACED, PARALLEL CHEEK MEMBERS AND A CHEEK SPANNER EXTENDING THEREBETWEEN; A STEM CONNECTED AT ONE END TO A MID-PORTION OF SAID CHEEK SPANNER AND CONNECTED AT THE OTHER END TO A BALL MEMBER, WITH THE CENTER AXIS OF SAID CHEEK SPANNER COINCIDENT WITH THE CENTER OF JUNCTURE OF SAID CHEEK SPANNER AND STEM DEVIATING BY A SUBSTANTIAL ANGLE OF OFFSET WITH RESPECT TO THE RADIUS OF THE BALL COINCIDENT WITH THE CENTER OF JUNCTURE OF THE BALL AND STEM; A BASE PLATE INCLUDING A GENERALLY PLANAR BOTTOM SURFACE; AND WIDE-MOUNTED SOCKET MEANS ADJUSTABLY MOUNTING AND LOCKING SAID BALL MEMBER ON SAID BASE PLATE AND ALLOWING ADJUSTMENT OF THE ATTITUDE OF SAID PULLEY WHEEL WITHIN A ZONE OF ADJUSTMENT EXTENDING 360* AZIMUTHALLY AND AT LEAST 50* ELEVATIONALLY WITH RESPECT TO THE BOTTOM SURFACE OF SAID BASE PLATE.
Claim 2
Dependent Claim
150 words
A PULLEY ASSEMBLY COMPRISING MEANS MOUNTING A PULLEY WHEEL FOR FREE ROTATION INCLUDING TWO SPACED, PARALLEL CHEEK MEMBERS AND A CHEEK SPANNER EXTENDING THEREBETWEEN; A STEM CONNECTED AT ONE END TO A MID-PORTION OF SAID CHEEK SPANNER AND CONNECTED AT THE OTHER END TO A BALL MEMBER, WITH THE CENTER AXIS OF SAID CHEEK SPANNER COINCIDENT WITH THE CENTER OF JUNCTURE OF SAID CHEEK SPANNER AND STEM DEVIATING BY A SUBSTANTIAL ANGLE OF OFFSET WITH RESPECT TO THE RADIUS OF THE BALL COINCIDENT WITH THE CENTER OF JUNCTURE OF THE BALL AND STEM; A BASE PLATE INCLUDING A GENERALLY PLANAR BOTTOM SURFACE; AND WIDE-MOUNTED SOCKET MEANS ADJUSTABLY MOUNTING AND LOCKING SAID BALL MEMBER ON SAID BASE PLATE AND ALLOWING ADJUSTMENT OF THE ATTITUDE OF SAID PULLEY WHEEL WITHIN A ZONE OF ADJUSTMENT EXTENDING 360* AZIMUTHALLY AND AT LEAST 50* ELEVATIONALLY WITH RESPECT TO THE BOTTOM SURFACE OF SAID BASE PLATE.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |