US3127952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile work platform
Assignee: Individual
•
Filing: 1961-10-23
•
Granted: 1964-04-07
•
Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 John G Baerg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:13
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04; B66F11/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A MOBILE WORK PLATFORM COMPRISING A FRAME HAVING A TUBULAR PORTION EXTENDED THEREFROM IN AXIALLY ERECT POSITION, A SLEEVE ROTATABLY MOUNTED ON SAID TUBULAR PORTION, A PARALLELOGRAM LIFT BEAM ASSEMBLY PIVOTALLY MOUNTED ON THE SLEEVE AND RADIALLY EXTENDED THEREFROM FOR ELEVATIONAL ADJUSTMENT, A WORKER SUPPORT PIVOTALLY MOUNTED ON THE EXTENDED BEAM ASSEMBLY, POWER MEANS BORNE BY THE FRAME, AND CONTROL LINKAGE INTERCONNECTING THE POWER MEANS ON THE FRAME AND THE WORKER SUPPORT, SAID CONTROL MEANS INCLUDING ACTUATING MEANS IN THE SUPPORT, A FIRST BELL CRANK PIVOTALLY MOUNTED CONCENTRICALLY OF THE PIVOTAL CONNECTION OF THE SUPPORT TO THE BEAM ASSEMBLY HAVING CONTROLLED CONNECTION TO THE ACTUATING MEANS, A SECOND BELL CRANK PIVOTALLY MOUNTED CONCENTRICALLY OF THE PIVOTAL CONNECTION OF THE BEAM ASSEMBLY TO THE SLEEVE AND RADIALLY EXTENDED IN FIXED RADIAL RELATION FROM THE SLEEVE, A PUSH-PULL LINKAGE INTERCONNECTING SAID BELL CRANKS, A CONTROL LEAVER HAVING CONTROLLING CONNECTION TO THE POWER MEANS MOUNTED IN THE FRAME FOR PIVOTAL ELEVATIONAL MOVEMENT AND DISPOSED IN FIXED RADIAL RELATION TO THE TUBULAR PORTION, A CONNECTING MEMBER MOUNTED CONCENTRICALLY
Claim 2
Dependent Claim
174 words
A MOBILE WORK PLATFORM COMPRISING A FRAME HAVING A TUBULAR PORTION EXTENDED THEREFROM IN AXIALLY ERECT POSITION, A SLEEVE ROTATABLY MOUNTED ON SAID TUBULAR PORTION, A PARALLELOGRAM LIFT BEAM ASSEMBLY PIVOTALLY MOUNTED ON THE SLEEVE AND RADIALLY EXTENDED THEREFROM FOR ELEVATIONAL ADJUSTMENT, A WORKER SUPPORT PIVOTALLY MOUNTED ON THE EXTENDED BEAM ASSEMBLY, POWER MEANS BORNE BY THE FRAME, AND CONTROL LINKAGE INTERCONNECTING THE POWER MEANS ON THE FRAME AND THE WORKER SUPPORT, SAID CONTROL MEANS INCLUDING ACTUATING MEANS IN THE SUPPORT, A FIRST BELL CRANK PIVOTALLY MOUNTED CONCENTRICALLY OF THE PIVOTAL CONNECTION OF THE SUPPORT TO THE BEAM ASSEMBLY HAVING CONTROLLED CONNECTION TO THE ACTUATING MEANS, A SECOND BELL CRANK PIVOTALLY MOUNTED CONCENTRICALLY OF THE PIVOTAL CONNECTION OF THE BEAM ASSEMBLY TO THE SLEEVE AND RADIALLY EXTENDED IN FIXED RADIAL RELATION FROM THE SLEEVE, A PUSH-PULL LINKAGE INTERCONNECTING SAID BELL CRANKS, A CONTROL LEAVER HAVING CONTROLLING CONNECTION TO THE POWER MEANS MOUNTED IN THE FRAME FOR PIVOTAL ELEVATIONAL MOVEMENT AND DISPOSED IN FIXED RADIAL RELATION TO THE TUBULAR PORTION, A CONNECTING MEMBER MOUNTED CONCENTRICALLY
References Cited (Backward Citations)
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |