US3779391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool changer for machine tool
Assignee: Individual
•
Filing: 1971-06-01
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Granted: 1973-12-18
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Expires: 1991-06-01
Abstract
Abstract A tool changing mechanism for a machine tool having a horizontal spindle. A rotatable magazine is provided with a plurality of guides for supporting and guiding a plurality of tool cartridges. Each cartridge is provided with a plurality of vertically aligned tools. The magazine is indexed to align a selected cartridge with a transfer station. The cartridge is shifted into the transfer station and is positioned to present a selected tool to a transfer mechanism for removal of the tool and insertion into the spindle. The tool is returned to the cartridge by the transfer mechanism after use. A tape controlled motor means coordinates the operation of magazine, cartridges, and transfer mechanism to provide for returning one tool while another tool is operating on the work.
Inventors
- 👤 Y Sato
- 👤 M Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15713; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/1767; Y10T483/18; Y10T483/1818; Y10T483/1827
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
150 words
A tool changing mechanism comprising of a selectively indexed rotatable magazine which has a plurality of cartridge holding grooves formed on its periphery, cartridges mounted within said grooves, said cartridges holding a plurality of cutting tools in a row, and said grooves confining said cartridges to move only in a lengthwise direction in parallel to the axis of rotation of the magazine, a fixed positioned retaining-ring with a sector removed where removal of the cartridge from the magazine takes place, and a groove formed in the bottom backside of each cartridge to engage the aforedescribed retaining-ring, a nut assembly moving to stop at designated positions which has a key block protruding From its front surface said assembly positioned to engage the designated cartridge in the removed sector of the retaining ring at the nut assembly''s upper-most position thus providing means to bring the cartridge down to a designated transfer position.
Claim 2
Dependent Claim
150 words
A tool changing mechanism comprising of a selectively indexed rotatable magazine which has a plurality of cartridge holding grooves formed on its periphery, cartridges mounted within said grooves, said cartridges holding a plurality of cutting tools in a row, and said grooves confining said cartridges to move only in a lengthwise direction in parallel to the axis of rotation of the magazine, a fixed positioned retaining-ring with a sector removed where removal of the cartridge from the magazine takes place, and a groove formed in the bottom backside of each cartridge to engage the aforedescribed retaining-ring, a nut assembly moving to stop at designated positions which has a key block protruding From its front surface said assembly positioned to engage the designated cartridge in the removed sector of the retaining ring at the nut assembly''s upper-most position thus providing means to bring the cartridge down to a designated transfer position.
Claim 3
Dependent Claim
107 words
A tool changing mechanism for a machine having a rotatable spindle comprising, a cylindrical magazine rotatable about its axis, a plurality of elongated cartridges supported about the periphery of the magazine for slidable movement parallel to the axis, each cartridge having a plurality of radially extending recesses along its length within which tools are removably received to be supported radially of the magazine, means for sliding each cartridge, when located at a predetermined station by the magazine, to position a selected tool therein at a predetermined tool transfer point, and means at said point for removing the tool from the cartridge and placing it in the spindle.
Claim 4
Dependent Claim
107 words
A tool changing mechanism for a machine having a rotatable spindle comprising, a cylindrical magazine rotatable about its axis, a plurality of elongated cartridges supported about the periphery of the magazine for slidable movement parallel to the axis, each cartridge having a plurality of radially extending recesses along its length within which tools are removably received to be supported radially of the magazine, means for sliding each cartridge, when located at a predetermined station by the magazine, to position a selected tool therein at a predetermined tool transfer point, and means at said point for removing the tool from the cartridge and placing it in the spindle.
Claim 5
Dependent Claim
54 words
A tool changing mechanism according to claim 2, wherein the cartridges are all normally positioned at a predetermined location on the magazine during rotation thereof, and means for locking the magazine againt rotation when a selected cartridge is slidably moved away from said location to move a selected tool toward said tool transfer point.
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |