Patent US2777396A successfully refreshed from Google Patents.
US3108368A
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Method of sizing and installing a pierce nut in a panel
Assignee: Multifastener Corp
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Filing: 1961-09-13
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Granted: 1963-10-29
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jerry H Steward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/062; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T29/53; Y10T29/5343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE METHOD OF INSTALLING IN A PANEL A PIERCE NUT OF A SIZE LYING WITHIN COMMERCIAL TOLERANCE LIMITS AND YET OVERSIZED RELATIVE TO A NOMINAL DIMENSION, COMPRISING THE STEPS OF SECURING THE PANEL BETWEEN A DIE MEMBER AND A MASSIVE FEED HEAD HAVING A LONGITUDINAL BORE OF A CROSS-SECTIONAL SIZE AND SHAPE CORRESPONDING TO THE NOMINAL DIMENSION OF THE NUT, POSITIONING A NUT IN THE FEED HEAD BORE IN SPACED RELATION TO THE PANEL, AND IN A SINGLE UNINTERRUPTED MOTION ADVANCING A PUNCH THROUGH THE BORE (1) TO DISPLACE THE NUT THROUGH THE MASSIVE FEED HEAD BORE TO SIZE THE NUT TO NOMINAL DIMENSIONS BY ITS CONTACT WITH THE BORE-DEFINING FEED HEAD AND (2) TO FORCE THE NUT THROUG THE PANEL.
Claim 2
Independent Claim
121 words
THE METHOD OF INSTALLING IN A PANEL A PIERCE NUT OF A SIZE LYING WITHIN COMMERCIAL TOLERANCE LIMITS AND YET OVERSIZED RELATIVE TO A NOMINAL DIMENSION, COMPRISING THE STEPS OF SECURING THE PANEL BETWEEN A DIE MEMBER AND A MASSIVE FEED HEAD HAVING A LONGITUDINAL BORE OF A CROSS-SECTIONAL SIZE AND SHAPE CORRESPONDING TO THE NOMINAL DIMENSION OF THE NUT, POSITIONING A NUT IN THE FEED HEAD BORE IN SPACED RELATION TO THE PANEL, AND IN A SINGLE UNINTERRUPTED MOTION ADVANCING A PUNCH THROUGH THE BORE (1) TO DISPLACE THE NUT THROUGH THE MASSIVE FEED HEAD BORE TO SIZE THE NUT TO NOMINAL DIMENSIONS BY ITS CONTACT WITH THE BORE-DEFINING FEED HEAD AND (2) TO FORCE THE NUT THROUG THE PANEL.
References Cited (Backward Citations)
US2328821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |