US3735461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder with angle-index
Assignee: Individual
•
Filing: 1971-02-16
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Granted: 1973-05-29
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Expires: 1991-02-16
Abstract
Abstract A turning tool holder for turret lathes, lathes, automatic turning machines, and similar tools, which is provided with an angle-index dial and cam means for indexing the tool holder to accommodate turning tools having various side cutting edge angles.
Inventors
- 👤 E Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:24
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/12; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2248; Y10T407/2252; Y10T407/2254; Y10T407/2262; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
206 words
A turning tool holder comprising: a. a shank; b. a tool block carried by said shank and provided with a turning tool slot having an angled base wall for holding a turning tool having a first side cutting edge angle; c. adjustable mEans extendable into said turning tool slot for positioning turning tools having various side cutting edge angles different than said first side cutting edge angle in said tool block; d. means for retaining a turning tool in said tool slot; e. said adjustable means comprising an adjustable cam means having at least one portion thereon extended into said turning tool slot for engagement with a turning tool in said slot to position a turning tool in said slot with the tool engaging one end of the angled base wall of the slot, and said cam means portion extended into said slot engaging said tool at a point on the tool spaced apart from said one end of said angled base wall of the slot; and, f. said adjustable cam means comprising a rotatable cam having at least one notch formed therein to provide a plurality of portions that extend into said tool slot different distances for positioning tools having various side cutting edge angles.
Claim 2
Dependent Claim
206 words
A turning tool holder comprising: a. a shank; b. a tool block carried by said shank and provided with a turning tool slot having an angled base wall for holding a turning tool having a first side cutting edge angle; c. adjustable mEans extendable into said turning tool slot for positioning turning tools having various side cutting edge angles different than said first side cutting edge angle in said tool block; d. means for retaining a turning tool in said tool slot; e. said adjustable means comprising an adjustable cam means having at least one portion thereon extended into said turning tool slot for engagement with a turning tool in said slot to position a turning tool in said slot with the tool engaging one end of the angled base wall of the slot, and said cam means portion extended into said slot engaging said tool at a point on the tool spaced apart from said one end of said angled base wall of the slot; and, f. said adjustable cam means comprising a rotatable cam having at least one notch formed therein to provide a plurality of portions that extend into said tool slot different distances for positioning tools having various side cutting edge angles.
Claim 3
Dependent Claim
21 words
A turning tool holder as defined in claim 1, including: a. means for retaining said rotatable cam in an adjusted position.
Claim 4
Dependent Claim
21 words
A turning tool holder as defined in claim 1, wherein: a. said rotatable cam is provided with a plurality of notches.
Claim 5
Dependent Claim
20 words
A turning tool holder as defined in claim 2, wherein: a. said retaining means comprises a spring biased detent means.
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |