US3595113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch press tooling
Assignee: Houdaille Industries Inc
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Filing: 1970-07-09
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Granted: 1971-07-27
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Expires: 1990-07-09
Abstract
Abstract A punch, stripper sleeve and die member, when out of the press, are nested together to form a nestable tool assembly which can be rapidly handled as a unit and inserted and removed from a punch holder and drive assembly of a punch press.
Inventors
- 👤 John H Herzog
- 👤 Ronald C Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:23
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/096; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/217; Y10T83/2172
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
139 words
1. A tool assembly comprising: a. an apertured die; b. a stripper sleeve having an apertured stripper plate disposed at one end of said sleeve and a retainer disposed at the other end of said sleeve; c. an apertured spacer plate having an upper and lower abutment surface; d. a punch having a body portion being mountable in the aperture of said spacer plate and having a pair of retaining means coacting with said plate to limit axial movement therebetween, said body portion terminating in a punch cutting edge, said punch being nestable in said stripper sleeve and extendable through the aperture of said stripper plate and into the aperture of said die, said upper abutment surface of said spacer plate coacting with said sleeve retainer and preventing removal of said punch from said sleeve at said other end.
Claim 2
Dependent Claim
139 words
1. A tool assembly comprising: a. an apertured die; b. a stripper sleeve having an apertured stripper plate disposed at one end of said sleeve and a retainer disposed at the other end of said sleeve; c. an apertured spacer plate having an upper and lower abutment surface; d. a punch having a body portion being mountable in the aperture of said spacer plate and having a pair of retaining means coacting with said plate to limit axial movement therebetween, said body portion terminating in a punch cutting edge, said punch being nestable in said stripper sleeve and extendable through the aperture of said stripper plate and into the aperture of said die, said upper abutment surface of said spacer plate coacting with said sleeve retainer and preventing removal of said punch from said sleeve at said other end.
Claim 3
Dependent Claim
41 words
A tool assembly according to claim 1, wherein said upper and lower abutment surfaces of said spacer plate coact with said sleeve retainer and said stripper plate, respectively to provide an axial lost-motion connection between said punch and said stripper sleeve.
Claim 4
Dependent Claim
45 words
A tool assembly according to claim 1, wherein one of said pair of retaining means of said punch body portion is a shoulder surrounding a projection and the other of said pair of retainers is a ring partially disposed in a groove in said projection.
Claim 5
Dependent Claim
59 words
A tool assembly according to claim 1, wherein said pair of retaining means are a pair of rings partially disposed in a pair of grooves in said punch body portion, said punch body portion having an abutment directed toward and coacting with said stripper sleeve to thereby provide an axial lost-motion connection between said punch and said stripper sleeve.
Claim 6
Dependent Claim
76 words
A punch assembly according to claim 1, wherein said stripper plate includes a first stripper plate member having an aperture provided with a shoulder disposed at one end of said stripper sleeve, and a second apertured stripper plate member disposed in said aperture of said first stripper plate, so that said first stripper plate member can receive punches having various sizes and shapes of cutting edges within its aperture along with corresponding second stripper plate members.
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |