US3074174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining a desired level of a track section to be raised
Assignee: Individual
•
Filing: 1960-12-21
•
Granted: 1963-01-22
•
Expires: 1980-12-21
Abstract
No abstract record available.
Inventors
- 👤 Plasser Franz
- 👤 Theurer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:42
CPC Classifications
E; E01; E01B; E01B35/00; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B27/17; E01B2203/00; E01B2203/10; E01B2203/12; E01B2203/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
AN APPARATUS FOR DETERMINING A DESIRED LEVEL OF A TRACK SECTION TO BE RAISED, COMPRISING (A) AN ELONGATED, FLEXIBLE TENSION MEMBER EXTENDING ALONG THE TRACK SECTION AND VERTICALLY SPACED THEREFROM, (B) TWO ANCHOR POINTS FOR SAID TENSION MEMBER ADJACENT THE RESPECTIVE ENDS OF SAID TRACK SECTION, ONE OF SAID POINTS BEING MOVABLE IN RELATION TO THE OTHER ONE AS THE RAISING OF THE TRACK SECTION PROCEEDS WHEREBY THE LENGTH OF THE TENSION MEMBER IS SHORTENED (C) A TENSION ROLL FOR WINDING THE TENSION MEMBER THEREON UNDER A SUBSTANTIALLY CONSTANT TENSION, SAID TENSIONED TENSION MEMBER SERVING AS A REFERENCE AND DETERMING THE LIFTING STROKE PARAMETER FOR THE RAISING OF THE TRACK SECTION AND PORTIONS OF SAID TENSION MEMBER SAGGING, (D) A DRIVE MEANS IN OPERATIVE CONNECTION WITH AND DRIVEN BY THE TENSION ROLL, (E) A LONGITUDINALLY ADJUSTABLE VERTICAL MEASURING ELEMENT AT A POINT OF THE TRACK SECTION TO BE RAISED AND MEASURING THE DISTANCE BETWEEN THE TRACK SECTION AND THE TENSION MEMBER, (F) MEANS FOR ADJUSTING THE LENGTH OF THE MEASURING ELEMENT IN ACCORDANCE WITH THE AMOUNT OF SAG OF THE TENSION MEMBER PORTION IN REGISTRY WITH SAID POINT, AND (G) MEANS OPERATIVELY CONNECTING SAID DRIVE MEANS AND SAID MEASURING ELEMENT LENGTH ADJUSTING MEANS WHEREBY THE TENSION MEMBER LENGTH AUTOMATICALLY ADJUSTS THE MEASURING ELEMENT LENGTH.
Claim 2
Independent Claim
214 words
AN APPARATUS FOR DETERMINING A DESIRED LEVEL OF A TRACK SECTION TO BE RAISED, COMPRISING (A) AN ELONGATED, FLEXIBLE TENSION MEMBER EXTENDING ALONG THE TRACK SECTION AND VERTICALLY SPACED THEREFROM, (B) TWO ANCHOR POINTS FOR SAID TENSION MEMBER ADJACENT THE RESPECTIVE ENDS OF SAID TRACK SECTION, ONE OF SAID POINTS BEING MOVABLE IN RELATION TO THE OTHER ONE AS THE RAISING OF THE TRACK SECTION PROCEEDS WHEREBY THE LENGTH OF THE TENSION MEMBER IS SHORTENED (C) A TENSION ROLL FOR WINDING THE TENSION MEMBER THEREON UNDER A SUBSTANTIALLY CONSTANT TENSION, SAID TENSIONED TENSION MEMBER SERVING AS A REFERENCE AND DETERMING THE LIFTING STROKE PARAMETER FOR THE RAISING OF THE TRACK SECTION AND PORTIONS OF SAID TENSION MEMBER SAGGING, (D) A DRIVE MEANS IN OPERATIVE CONNECTION WITH AND DRIVEN BY THE TENSION ROLL, (E) A LONGITUDINALLY ADJUSTABLE VERTICAL MEASURING ELEMENT AT A POINT OF THE TRACK SECTION TO BE RAISED AND MEASURING THE DISTANCE BETWEEN THE TRACK SECTION AND THE TENSION MEMBER, (F) MEANS FOR ADJUSTING THE LENGTH OF THE MEASURING ELEMENT IN ACCORDANCE WITH THE AMOUNT OF SAG OF THE TENSION MEMBER PORTION IN REGISTRY WITH SAID POINT, AND (G) MEANS OPERATIVELY CONNECTING SAID DRIVE MEANS AND SAID MEASURING ELEMENT LENGTH ADJUSTING MEANS WHEREBY THE TENSION MEMBER LENGTH AUTOMATICALLY ADJUSTS THE MEASURING ELEMENT LENGTH.
References Cited (Backward Citations)
US2974607A
Cited
US2962979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |