Patent US3234638A successfully refreshed from Google Patents.
US3234638A
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Method and apparatus for the assembly of slide fasteners
Assignee: SLIDE O MATIC CORP
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Filing: 1964-10-08
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Granted: 1966-02-15
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Fred H Rojahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/62; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49826; Y10T29/49838; Y10T29/53; Y10T29/53291; Y10T29/533; Y10T29/53696
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A MACHINE FOR ASSEMBLING SLIDERS ON A SLIDE FASTENER TAPE WHEREIN AN ELEMENT FREE PORTION OF SAID SLIDE FASTENER TAPE IS BROUGHT TO AN ASSEMBLY STATION WHICH COMPRISES: A NET ASSEMBLY HAVING A RECESS ON THE UPPER SURFACE THEREOF, SAID RECESS HAVING AN OPEN SIDE, A CLOSED SIDE, AND CLAMPING MEANS DEFINING THE FRONT AND REAR OF SAID RECESS; MEANS FOR RECIPROCATING SAID NEST ASSEMBLY BETWEEN A SLIDER RECEIVING POSITION AND SAID ASSEMBLY STATION; MEANS FOR OPENING SAID CLAMPING MEANS WHEN SAID NEST ASSEMBLY IS IN SAID SLIDER RECEIVING POSITION; FEEDING MEANS FOR CONTINUOUSLY SUPPLYING SLIDERS TO THE OPEN SIDE OF SAID RECESS WHEN SAID CLAMPING MEANS IS OPEN; MEANS FOR CLOSING SAID CLAMPING MEANS WHEN SAID NEST ASSEMBLY LEAVES SAID SLIDER RECEIVING POSITION, THEREBY SECURING SAID SLIDER IN SAID RECESS; AND RESTRAINING MEANS FOR PREVENTING THE MOVEMENT OF SLIDERS ON SAID FEEDING MEANS WHEN SAID NEST ASSEMBLY LEAVES SAID SLIDER RECEIVING POSITION.
Claim 2
Dependent Claim
154 words
IN A MACHINE FOR ASSEMBLING SLIDERS ON A SLIDE FASTENER TAPE WHEREIN AN ELEMENT FREE PORTION OF SAID SLIDE FASTENER TAPE IS BROUGHT TO AN ASSEMBLY STATION WHICH COMPRISES: A NET ASSEMBLY HAVING A RECESS ON THE UPPER SURFACE THEREOF, SAID RECESS HAVING AN OPEN SIDE, A CLOSED SIDE, AND CLAMPING MEANS DEFINING THE FRONT AND REAR OF SAID RECESS; MEANS FOR RECIPROCATING SAID NEST ASSEMBLY BETWEEN A SLIDER RECEIVING POSITION AND SAID ASSEMBLY STATION; MEANS FOR OPENING SAID CLAMPING MEANS WHEN SAID NEST ASSEMBLY IS IN SAID SLIDER RECEIVING POSITION; FEEDING MEANS FOR CONTINUOUSLY SUPPLYING SLIDERS TO THE OPEN SIDE OF SAID RECESS WHEN SAID CLAMPING MEANS IS OPEN; MEANS FOR CLOSING SAID CLAMPING MEANS WHEN SAID NEST ASSEMBLY LEAVES SAID SLIDER RECEIVING POSITION, THEREBY SECURING SAID SLIDER IN SAID RECESS; AND RESTRAINING MEANS FOR PREVENTING THE MOVEMENT OF SLIDERS ON SAID FEEDING MEANS WHEN SAID NEST ASSEMBLY LEAVES SAID SLIDER RECEIVING POSITION.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |