US3336776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube-bending apparatus
Assignee: LEONARD PRECISION PRODUCTS CO
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Filing: 1964-06-24
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Granted: 1967-08-22
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Zerlaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:40
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
APPARATUS FOR BENDING A TUBE, WHICH COMPRISES: AN ELONGATED SUPPORT, A CARRIAGE MOUNTED ON SAID SUPPORT FOR MOVEMENT LONGITUDINALLY THEREOF, SAID CARRIAGE INCORPORATING A ROTATABLE CHUCK ADAPTED TO CLAMP A TUBE TO BE BENT, SAID CARRIAGE FURTHER INCORPORATING A PLURALITY OF STOP ELEMENTS CONNECTED TO SAID CHUCK FOR ROTATION THEREWITH, SAID CARRIAGE ADDITIONALLY INCORPORATING A PLURALITY OF SOLENOIDS ASSOCIATED, RESPECTIVELY, WITH SAID STOP ELEMENTS TO RENDER THE SAME SELECTIVELY OPERATIVE AND INOPERATIVE, EACH OF SAID SOLENOIDS BEING ADAPTED WHEN IN A PREDETERMINED CONDITION OF ENERGIZATION TO RENDER THE ASSOCIATED STOP ELEMENT OPERATIVE TO LIMIT THE ROTATION OF SAID CHUCK AND THUS OF SAID TUBE, A PLURALITY OF BEND STOPS MOUNTED IN SPACED RELATIONSHIP LONGITUDINALLY OF SAID SUPPORT, EACH OF SAID BEND STOPS BEING ASSOCIATED WITH A SWITCH MEANS, SAID SWITCH MEANS FOR EACH OF SAID BEND STOPS BEING ADAPTED TO BE OPERATED WHEN SAID CARRIAGE IS IN A PREDETERMINED LONGITUDINAL POSITION, A HEAD MOUNTED ADJACENT ONE END PORTION OF SAID SUPPORT AND INCORPORATING ROTATABLE MEANS TO BEND SAID TUBE IN A PLANE DETERMINED BY THE ROTATED POSITION OF SAID TUBE AND SAID CHUCK, SAID HEAD INCORPORATING A PLURALITY OF STOP ELEMENTS CONNECTED TO SAID BENDING MEANS FOR ROTATION THEREWITH DURING SAID BENDING OF SAID TUBE,
Claim 2
Dependent Claim
205 words
APPARATUS FOR BENDING A TUBE, WHICH COMPRISES: AN ELONGATED SUPPORT, A CARRIAGE MOUNTED ON SAID SUPPORT FOR MOVEMENT LONGITUDINALLY THEREOF, SAID CARRIAGE INCORPORATING A ROTATABLE CHUCK ADAPTED TO CLAMP A TUBE TO BE BENT, SAID CARRIAGE FURTHER INCORPORATING A PLURALITY OF STOP ELEMENTS CONNECTED TO SAID CHUCK FOR ROTATION THEREWITH, SAID CARRIAGE ADDITIONALLY INCORPORATING A PLURALITY OF SOLENOIDS ASSOCIATED, RESPECTIVELY, WITH SAID STOP ELEMENTS TO RENDER THE SAME SELECTIVELY OPERATIVE AND INOPERATIVE, EACH OF SAID SOLENOIDS BEING ADAPTED WHEN IN A PREDETERMINED CONDITION OF ENERGIZATION TO RENDER THE ASSOCIATED STOP ELEMENT OPERATIVE TO LIMIT THE ROTATION OF SAID CHUCK AND THUS OF SAID TUBE, A PLURALITY OF BEND STOPS MOUNTED IN SPACED RELATIONSHIP LONGITUDINALLY OF SAID SUPPORT, EACH OF SAID BEND STOPS BEING ASSOCIATED WITH A SWITCH MEANS, SAID SWITCH MEANS FOR EACH OF SAID BEND STOPS BEING ADAPTED TO BE OPERATED WHEN SAID CARRIAGE IS IN A PREDETERMINED LONGITUDINAL POSITION, A HEAD MOUNTED ADJACENT ONE END PORTION OF SAID SUPPORT AND INCORPORATING ROTATABLE MEANS TO BEND SAID TUBE IN A PLANE DETERMINED BY THE ROTATED POSITION OF SAID TUBE AND SAID CHUCK, SAID HEAD INCORPORATING A PLURALITY OF STOP ELEMENTS CONNECTED TO SAID BENDING MEANS FOR ROTATION THEREWITH DURING SAID BENDING OF SAID TUBE,
References Cited (Backward Citations)
US2382745A
Cited
US3145756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |