US3089393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism for folding box machines of the plunger and die type
Assignee: Atlas General Industries Inc
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Filing: 1962-03-13
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Granted: 1963-05-14
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Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 Richard V Pagendarm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:55
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/44; B31B50/46; Y; Y10; Y10S; Y10S118/00; Y10S118/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A FOLDING BOX FORMING MACHINE IN WHICH A RECIPROCATING DRIVE MEANS MOVES A BOX SHAPING PLUNGER INTO A FORMING DIE DURING A WORK STROKE AND OUT OF THE FORMING DIE DURING A RETURN STROKE, AN IMPROVED FORCE AND MOTION TRANSMITTING COUPLING BETWEEN THE DRIVE MEANS AND THE PLUNGER COMPRISING: A PNEUMATIC VARIABLE VOLUME CHAMBER MEANS AND A HYDRAULIC VARIABLE VOLUME CHAMBER MEANS INCLUDING A CHARGE LIQUID THEREIN, SAID PNEUMATIC MEANS COMPRISING A PASSAGE TO THE ATMOSPHERE, AND PASSAGE CONTROL MEANS ARRANGED TO CLOSE SAID PASSAGE DURING THE WORK STROKE SUFFICIENTLY TO CAUSE A DIFFERENCE IN AIR PRESSURE TO BUILD UP IN THE CHAMBER WITH RESPECT TO THE ATMOSPHERE AND TO VENT THE CHAMBER PRESSURE TO THE ATMOSPHERE DURING THE RETURN STROKE, SAID HYDRAULIC MEANS COMPRISING A RESTRICTED LIQUID CHARGE PASSAGE AND BEING ARRANGED TO UNDERGO COMPRESSION AND DISCHARGE OF LIQUID DURING THE RETURN STROKE.
Claim 2
Dependent Claim
145 words
IN A FOLDING BOX FORMING MACHINE IN WHICH A RECIPROCATING DRIVE MEANS MOVES A BOX SHAPING PLUNGER INTO A FORMING DIE DURING A WORK STROKE AND OUT OF THE FORMING DIE DURING A RETURN STROKE, AN IMPROVED FORCE AND MOTION TRANSMITTING COUPLING BETWEEN THE DRIVE MEANS AND THE PLUNGER COMPRISING: A PNEUMATIC VARIABLE VOLUME CHAMBER MEANS AND A HYDRAULIC VARIABLE VOLUME CHAMBER MEANS INCLUDING A CHARGE LIQUID THEREIN, SAID PNEUMATIC MEANS COMPRISING A PASSAGE TO THE ATMOSPHERE, AND PASSAGE CONTROL MEANS ARRANGED TO CLOSE SAID PASSAGE DURING THE WORK STROKE SUFFICIENTLY TO CAUSE A DIFFERENCE IN AIR PRESSURE TO BUILD UP IN THE CHAMBER WITH RESPECT TO THE ATMOSPHERE AND TO VENT THE CHAMBER PRESSURE TO THE ATMOSPHERE DURING THE RETURN STROKE, SAID HYDRAULIC MEANS COMPRISING A RESTRICTED LIQUID CHARGE PASSAGE AND BEING ARRANGED TO UNDERGO COMPRESSION AND DISCHARGE OF LIQUID DURING THE RETURN STROKE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |