US3344747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable mounting and support for the flanged wheels of a convertible rail-highwayvehicle
Assignee: KALAMAZOO Manufacturing Co
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Filing: 1965-09-20
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Granted: 1967-10-03
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
B; B60; B60F; B60F1/00; B60F1/04; B60F1/043; B61; B61K; B61K5/00; B61K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A ROADWAY TO RAIL CONVERSION ASSEMBLY FOR MOTOR VEHICLES HAVING RUBBER ROADWAY WHEELS, A FRAME ELEMENT AT FOUR RECTANGULARLY SPACED POINTS ON THE VEHICLE DEFINING UPRIGHT SLIDEWAYS, RAIL WHEEL SUPPORT POSTS RECIPROCABLE IN SAID SLIDEWAYS AND LATERALLY RIGIDLY SUPPORTED THEREBY, FLUID PRESSURE OPERATED CYLINDERS WITH EXTENSIBLE PISTON RODS CARRIED BY SAID FRAME ELEMENTS PARALLEL TO SAID POSTS, AND A RAIL WHEEL MOUNTING ON THE LOWER END OF EACH OF SAID POSTS, MEANS FOR HORIZONTALLY ANGULARLY ADJUSTING SAID WHEEL MOUNTING THROUGH 90* OF ROTATION, MEANS FOR RIGIDLY FIXING THE ANGULARLY ADJUSTED POSITION OF SAID WHEEL MOUNTING, A RELEASABLE CONNECTION BETWEEN THE EXTENSIBLE PART OF SAID CYLINDER AND PISTON ROD AND SAID WHEEL MOUNTING, SAID RELEASABLE CONNECTION BEING ENGAGEABLE IN ANGULARLY ADJUSTED POSITIONS OF SAID WHEEL MOUNTING, A SUPPORT POST ABUTMENT MOVABLY MOUNTED ON SAID FRAME ELEMENT AND MOVABLE THEREON BETWEEN CLEARING RELATION AND VERTICALLY BLOCKING LOAD SUPPORTING RELATION TO SAID POST, AND REMOTELY OPERABLE MEANS CONNECTED TO SWING SAID ABUTMENT OUT OF POST ENGAGING POSITION.
Claim 2
Dependent Claim
165 words
IN A ROADWAY TO RAIL CONVERSION ASSEMBLY FOR MOTOR VEHICLES HAVING RUBBER ROADWAY WHEELS, A FRAME ELEMENT AT FOUR RECTANGULARLY SPACED POINTS ON THE VEHICLE DEFINING UPRIGHT SLIDEWAYS, RAIL WHEEL SUPPORT POSTS RECIPROCABLE IN SAID SLIDEWAYS AND LATERALLY RIGIDLY SUPPORTED THEREBY, FLUID PRESSURE OPERATED CYLINDERS WITH EXTENSIBLE PISTON RODS CARRIED BY SAID FRAME ELEMENTS PARALLEL TO SAID POSTS, AND A RAIL WHEEL MOUNTING ON THE LOWER END OF EACH OF SAID POSTS, MEANS FOR HORIZONTALLY ANGULARLY ADJUSTING SAID WHEEL MOUNTING THROUGH 90* OF ROTATION, MEANS FOR RIGIDLY FIXING THE ANGULARLY ADJUSTED POSITION OF SAID WHEEL MOUNTING, A RELEASABLE CONNECTION BETWEEN THE EXTENSIBLE PART OF SAID CYLINDER AND PISTON ROD AND SAID WHEEL MOUNTING, SAID RELEASABLE CONNECTION BEING ENGAGEABLE IN ANGULARLY ADJUSTED POSITIONS OF SAID WHEEL MOUNTING, A SUPPORT POST ABUTMENT MOVABLY MOUNTED ON SAID FRAME ELEMENT AND MOVABLE THEREON BETWEEN CLEARING RELATION AND VERTICALLY BLOCKING LOAD SUPPORTING RELATION TO SAID POST, AND REMOTELY OPERABLE MEANS CONNECTED TO SWING SAID ABUTMENT OUT OF POST ENGAGING 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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |