US3300856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool with automatic tool changing apparatus
Assignee: Giddings and Lewis LLC
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Filing: 1964-02-14
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Granted: 1967-01-31
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Daugherty Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:22
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/15526; B23Q3/157; B23Q3/15773; B23Q2003/15537; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/1757; Y10T483/176; Y10T483/1783; Y10T483/1786; Y10T483/18; Y10T483/1845; Y10T483/1873; Y10T483/1882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A MACHINE TOOL, A HEADSTOCK HAVING A ROTATABLE SPINDLE ADAPTED TO ROTATE A TOOL FOR MACHINING, AN UPRIGHT COLUMN CARRYING SAID HEADSTOCK FOR VERTICAL MOVEMENT THEREON, A TOOL CHANGE APPARATUS CARRIED BY SAID HEADSTOCK FOR EXCHANGING A TOOL IN SAID SPINDLE WITH A DIFFERENT TOOL, AND TOOL STORAGE MEANS PROVIDING A PLURALITY OF TOOLS EACH ADAPTED TO BE EXCHANGED WITH A TOOL IN SAID SPINDLE BY SAID TOOL CHANGING APPARATUS SAID TOOL STORAGE MEANS INCLUDING A MOVABLE MATRIX FOR SUPPORTING A PLURALITY OF TOOLS, AN UPRIGHT COLUMN CARRYING SAID MOVABLE MATRIX FOR VERTICAL MOVEMENT THEREON, INTERCONNECTED POWER ELEVATING MEANS FOR SAID HEADSTOCK AND SAID MATRIX FOR RAISING OR LOWERING THE LATTER IN UNISON SO AS TO MAINTAIN THE SAME RELATIVE POSITION OF TOOL CHANGE APPARATUS AND MATRIX FOR ALL VERTICAL POSITIONS OF SAID HEADSTOCK.
Claim 2
Dependent Claim
135 words
IN A MACHINE TOOL, A HEADSTOCK HAVING A ROTATABLE SPINDLE ADAPTED TO ROTATE A TOOL FOR MACHINING, AN UPRIGHT COLUMN CARRYING SAID HEADSTOCK FOR VERTICAL MOVEMENT THEREON, A TOOL CHANGE APPARATUS CARRIED BY SAID HEADSTOCK FOR EXCHANGING A TOOL IN SAID SPINDLE WITH A DIFFERENT TOOL, AND TOOL STORAGE MEANS PROVIDING A PLURALITY OF TOOLS EACH ADAPTED TO BE EXCHANGED WITH A TOOL IN SAID SPINDLE BY SAID TOOL CHANGING APPARATUS SAID TOOL STORAGE MEANS INCLUDING A MOVABLE MATRIX FOR SUPPORTING A PLURALITY OF TOOLS, AN UPRIGHT COLUMN CARRYING SAID MOVABLE MATRIX FOR VERTICAL MOVEMENT THEREON, INTERCONNECTED POWER ELEVATING MEANS FOR SAID HEADSTOCK AND SAID MATRIX FOR RAISING OR LOWERING THE LATTER IN UNISON SO AS TO MAINTAIN THE SAME RELATIVE POSITION OF TOOL CHANGE APPARATUS AND MATRIX FOR ALL VERTICAL POSITIONS OF SAID HEADSTOCK.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |