US3710468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tools
Assignee: Individual
•
Filing: 1971-10-12
•
Granted: 1973-01-16
•
Expires: 1991-10-12
Abstract
Abstract A cutting tool comprising a stock having a recessed end shaped to receive a cutting insert in the recess, a rotatable pin extending into a transverse hole in the stock adjacent the recess and having a head at its end adjacent the recess, a stop at the other end of the pin adapted to prevent withdrawal thereof from the hole, said head having an underside located in a plane inclined to the axis of the pin, the pin being such that upon rotation thereof an insert located in the recess is clamped therein.
Inventors
- 👤 R Calvert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:59
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1666; B23B27/167; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/118; Y10T407/22; Y10T407/2272; Y10T407/228
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
93 words
A cutting tool comprising a stock having a recessed end shaped to receive a cutting insert in the recess, a rotatable pin extending into a transverse hole in the stock adjacent the recess and having a head at its end adjacent the recess, a stop at the other end of the pin adapted to prevent withdrawal thereof from the hole, said head having an underside located in a plane inclined to the axis of the pin, the pin being such that upon rotation thereof an insert located in the recess is clamped therein.
Claim 2
Dependent Claim
93 words
A cutting tool comprising a stock having a recessed end shaped to receive a cutting insert in the recess, a rotatable pin extending into a transverse hole in the stock adjacent the recess and having a head at its end adjacent the recess, a stop at the other end of the pin adapted to prevent withdrawal thereof from the hole, said head having an underside located in a plane inclined to the axis of the pin, the pin being such that upon rotation thereof an insert located in the recess is clamped therein.
Claim 3
Dependent Claim
23 words
A cutting tool as claimed in claim 1 in which the axis of the pin is inclined to the axis of the stock.
Claim 4
Dependent Claim
28 words
A cutting tool as claimed in claim 1 in which the head of the pin has a formation enabling it to be turned by means of a tool.
Claim 5
Dependent Claim
27 words
A cutting tool as claimed in claim 1 in which the stop is a circlip engaging a groove adjacent the end of the pin opposite the head.
Claim 6
Dependent Claim
42 words
A cutting tool as claimed in claim 1 in which the stop is a screw having a head of greater diameter than the hole in the stock and fitting into a tapped hole in the end of the pin opposite the head.
Claim 7
Dependent Claim
24 words
A cutting tool as claimed in claim 1 in which the stop engages a depression in the surface of the stock opposite the recess.
Claim 8
Dependent Claim
22 words
A cutting tool as claimed in claim 1 in which the recess is shaped to receive an insert including a chip breaker.
Claim 9
Dependent Claim
22 words
A cutting tool as claimed in claim 1 in which the recess is shaped to receive an insert including a supporting plate.
Claim 10
Dependent Claim
22 words
A cutting tool as claimed in claim 1 in which a wearing washer is located between the pin head and the stock.
Claim 11
Dependent Claim
24 words
A cutting tool as claimed in claim 1 in which the pin head is biased away from the stock by means of a spring.
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |