US3472101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch
Assignee: Lihit Industry Co Ltd
•
Filing: 1966-11-09
•
Granted: 1969-10-14
•
Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Norihito Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/453; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PUNCH PRESS COMPRISING AN UPRIGHT COLUMN MEMBER, A BODY SLIDABLY CARRIED ON SAID COLUMN MEMBER FOR VERTICAL DISPLACEMENT, SPRING MEANS URGING SAID BODY UPWARDLY, AN ACTUATING HANDLE LEVER PIVOTALLY MOUNTED ADJACENT THE UPPER END OF SAID COLUMN AT ITS ONE END AND HAVING ITS OPPOSITE END EXTENDING OUTWARDLY FOR ENGAGEMENT BY AN OPERATOR''S HAND, AND A HOLDING MEMBER PIVOTALLY CONNECTED TO THE UPPER END OF SAID BODY AND CONNECTED TO SAID HANDLE LEVER TO HOLD SAID HANDLE LEVER OVER SAID PIVOTAL CONNECTION TO SAID BODY, SAID HOLDING ARM BEING DISPLACEABLE ALONG SAID HANDLE LEVER WHEN SAID LEVER IS MOVED DOWNWARDLY TO HOLD SAID BODY DOWNWARDLY AGAINST THE FORCE OF SAID SPRING, AND A PUNCH CARRIED BY SAID BODY AND PROJECTING DOWNWARDLY THEREFROM TO ENGAGE AN OBJECT TO BE PUNCHED WHEN SAID BODY IS MOVED DOWNWARDLY BY SAID HANDLE LEVER.
Claim 2
Dependent Claim
140 words
A PUNCH PRESS COMPRISING AN UPRIGHT COLUMN MEMBER, A BODY SLIDABLY CARRIED ON SAID COLUMN MEMBER FOR VERTICAL DISPLACEMENT, SPRING MEANS URGING SAID BODY UPWARDLY, AN ACTUATING HANDLE LEVER PIVOTALLY MOUNTED ADJACENT THE UPPER END OF SAID COLUMN AT ITS ONE END AND HAVING ITS OPPOSITE END EXTENDING OUTWARDLY FOR ENGAGEMENT BY AN OPERATOR''S HAND, AND A HOLDING MEMBER PIVOTALLY CONNECTED TO THE UPPER END OF SAID BODY AND CONNECTED TO SAID HANDLE LEVER TO HOLD SAID HANDLE LEVER OVER SAID PIVOTAL CONNECTION TO SAID BODY, SAID HOLDING ARM BEING DISPLACEABLE ALONG SAID HANDLE LEVER WHEN SAID LEVER IS MOVED DOWNWARDLY TO HOLD SAID BODY DOWNWARDLY AGAINST THE FORCE OF SAID SPRING, AND A PUNCH CARRIED BY SAID BODY AND PROJECTING DOWNWARDLY THEREFROM TO ENGAGE AN OBJECT TO BE PUNCHED WHEN SAID BODY IS MOVED DOWNWARDLY BY SAID HANDLE LEVER.
References Cited (Backward Citations)
US2734577A
Cited
GB189915028A
Cited
US1603337A
Cited
US2214666A
Cited
GB700787A
Cited
US3220294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |