Patent US3670387A successfully refreshed from Google Patents.
US3670387A
Expired / Lapsed
US
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Nut and washer feeding device
Assignee: Individual
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Filing: 1970-12-16
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Granted: 1972-06-20
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Expires: 1990-12-16
Abstract
Abstract An automatic feeder of nuts and washers, having a long slim spindle slidably inserted in a sleeve in a relation to have the sleeve reciprocate together with the spindle as the latter reciprocates in connection with driving means, so that nuts or washers are shot by the sleeve and guided along the spindle down to a given processing position one after another continuously.
Inventors
- 👤 Tetsuya Nagao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:24
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/10; B23Q7/106; B23P; B23P19/00; B23P19/001; B23P19/006; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A feeding device of the kind to feed nuts or washers to a given processing position automatically, comprising a block, a nozzle uprightly mounted on said block in a fixed relation, a sleeve inserted in said nozzle in a slidable relation, a spindle inserted in said sleeve in a slidable relation, conduit means to supply nuts or washers continuously from outside to a shooting position just under said nozzle, driving means to have said spindle reciprocate in relation to said nozzle, spring means provided around said sleeve to hold said sleeve just above said shooting position normally, means provided on said sleeve to engage with said spindle to have said sleeve reciprocate together with said spindle, and means to keep a nut or washer in said shooting position, whereby nuts or washers are shot by said sleeve and guided along said spindle down to a given processing position one after another continuously as said spindle and said sleeve reciprocate in relation to said nozzle.
Claim 2
Dependent Claim
164 words
A feeding device of the kind to feed nuts or washers to a given processing position automatically, comprising a block, a nozzle uprightly mounted on said block in a fixed relation, a sleeve inserted in said nozzle in a slidable relation, a spindle inserted in said sleeve in a slidable relation, conduit means to supply nuts or washers continuously from outside to a shooting position just under said nozzle, driving means to have said spindle reciprocate in relation to said nozzle, spring means provided around said sleeve to hold said sleeve just above said shooting position normally, means provided on said sleeve to engage with said spindle to have said sleeve reciprocate together with said spindle, and means to keep a nut or washer in said shooting position, whereby nuts or washers are shot by said sleeve and guided along said spindle down to a given processing position one after another continuously as said spindle and said sleeve reciprocate in relation to said nozzle.
References Cited (Backward Citations)
US3095344A
Cited
US3345729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |