Patent US3178975A successfully refreshed from Google Patents.
US3178975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed precision blanking press
Assignee: Danly Machine Specialties Inc
•
Filing: 1961-03-24
•
Granted: 1965-04-20
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Georgeff Vasil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:08
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/16; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2127; Y10T83/566; Y10T83/5669; Y10T83/869; Y10T83/8821; Y10T83/8825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A PRECISION BLANKING PRESS FOR PUNCHING A BLANK FROM A WORKPIECE INCLUDING IN COMBINATION A FRAME, A DIE, MEANS SUPPORTING SAID DIE, A BLANKHOLDER, MEANS MOUNTING SAID BLANKHOLDER FOR RECIPROCATING MOVEMENT ON THE FRAME, MEANS CARRIED BY SAID BLANKHOLDER FOR SUPPORTING SAID WORKPIECE FOR MOVEMENT THEREWITH, A WORKING SLIDE, A COACTING DIE CARRIED BY SAID SLIDE FOR MOVEMENT THEREWITH, MEANS MOUNTING SAID WORKING SLIDE FOR RECIPROCATING MOVEMENT ON SAID FRAME, MEANS FOR DRIVING SAID BLANKHOLDER WITH A PREDETERMINED DWELL AT THE BOTTOM OF ITS STROKE TO CLAMP SAID WORKPIECE BETWEEN THE BLANKHOLDER AND THE FIRST DIE, AND MEANS FOR DRIVING SAID WORKING SLIDE TO CAUSE SAID COACTING DIE TO MOVE THROUGH SAID WORKPIECE TO PUNCH A BLANK FROM THE WORKPIECE DURING THE DWELL OF SAID BLANKHOLDER, SAID WORKING SLIDE DRIVE MEANS INCLUDING MEANS FOR CAUSING SAID WORKING SLIDE TO DWELL AT THE BOTTOM OF ITS STROKE UNTIL AFTER THE DWELL OF SAID BLANKHOLDER.
Claim 2
Dependent Claim
153 words
A PRECISION BLANKING PRESS FOR PUNCHING A BLANK FROM A WORKPIECE INCLUDING IN COMBINATION A FRAME, A DIE, MEANS SUPPORTING SAID DIE, A BLANKHOLDER, MEANS MOUNTING SAID BLANKHOLDER FOR RECIPROCATING MOVEMENT ON THE FRAME, MEANS CARRIED BY SAID BLANKHOLDER FOR SUPPORTING SAID WORKPIECE FOR MOVEMENT THEREWITH, A WORKING SLIDE, A COACTING DIE CARRIED BY SAID SLIDE FOR MOVEMENT THEREWITH, MEANS MOUNTING SAID WORKING SLIDE FOR RECIPROCATING MOVEMENT ON SAID FRAME, MEANS FOR DRIVING SAID BLANKHOLDER WITH A PREDETERMINED DWELL AT THE BOTTOM OF ITS STROKE TO CLAMP SAID WORKPIECE BETWEEN THE BLANKHOLDER AND THE FIRST DIE, AND MEANS FOR DRIVING SAID WORKING SLIDE TO CAUSE SAID COACTING DIE TO MOVE THROUGH SAID WORKPIECE TO PUNCH A BLANK FROM THE WORKPIECE DURING THE DWELL OF SAID BLANKHOLDER, SAID WORKING SLIDE DRIVE MEANS INCLUDING MEANS FOR CAUSING SAID WORKING SLIDE TO DWELL AT THE BOTTOM OF ITS STROKE UNTIL AFTER THE DWELL OF SAID BLANKHOLDER.
References Cited (Backward Citations)
US765087A
Cited
US1605816A
Cited
US1963902A
Cited
US2200886A
Cited
US2677421A
Cited
US2773549A
Cited
US3036336A
Cited
US3107567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |