US3071291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nailing machine feed mechanism
Assignee: W J YOUNG MACHINERY CO Inc
•
Filing: 1959-02-20
•
Granted: 1963-01-01
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Davis Charles Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
A; A43; A43D; A43D71/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A NAILING MACHINE FEED MECHANISM, A HOPPER HAVING A FORWARD WALL WITH A PLURALITY OF SLOTS AT THE BASE OF SAID WALL FOR THE PASSAGE THERETHROUGH OF NAILS, A FRAME HAVING A HORIZONTALLY DISPOSED SHAFT JOURNALED FOR OSCILLATING ROTATION, MEANS SECURING SIAD HOPPER TO SAID SHAFT FOR OSCILLATING MOVEMENT ABOUT A HORIZANTAL AXIS PARALLEL WITH THE PLANE OF SAID SLOTS, A PLURALITY OF PARALLEL PLATES EACH FORMING A GATE FOR ONE OF SAID SLOTS, MEANS SLIDABLY MOUNTING EACH GATE IN A PLANE PARALLEL TO AND ADJACENT SAID FORWARD WALL FOR SLIDING RECIPROCAL MOVEMENT TO AND FROM A POSITION OVER SAID SLOT WHEREBY SAID SLOT WILL BE ALTENATELY CLOSED AND OPENED. A SECOND ROTATABLE SHAFT MOUNTED ON SAID HOPPER PARALLEL TO SAID FIRST SHAFT, A PLURALITY OF LEVERS ENGAGING SAID PLATES FOR OPENING SAID GATES WITH EACH OF SAID LEVERS INDEPENDENTLY OPERATIVELY CONNECTED TO SAID SECOND SHAFT,
Claim 2
Dependent Claim
147 words
IN A NAILING MACHINE FEED MECHANISM, A HOPPER HAVING A FORWARD WALL WITH A PLURALITY OF SLOTS AT THE BASE OF SAID WALL FOR THE PASSAGE THERETHROUGH OF NAILS, A FRAME HAVING A HORIZONTALLY DISPOSED SHAFT JOURNALED FOR OSCILLATING ROTATION, MEANS SECURING SIAD HOPPER TO SAID SHAFT FOR OSCILLATING MOVEMENT ABOUT A HORIZANTAL AXIS PARALLEL WITH THE PLANE OF SAID SLOTS, A PLURALITY OF PARALLEL PLATES EACH FORMING A GATE FOR ONE OF SAID SLOTS, MEANS SLIDABLY MOUNTING EACH GATE IN A PLANE PARALLEL TO AND ADJACENT SAID FORWARD WALL FOR SLIDING RECIPROCAL MOVEMENT TO AND FROM A POSITION OVER SAID SLOT WHEREBY SAID SLOT WILL BE ALTENATELY CLOSED AND OPENED. A SECOND ROTATABLE SHAFT MOUNTED ON SAID HOPPER PARALLEL TO SAID FIRST SHAFT, A PLURALITY OF LEVERS ENGAGING SAID PLATES FOR OPENING SAID GATES WITH EACH OF SAID LEVERS INDEPENDENTLY OPERATIVELY CONNECTED TO SAID SECOND SHAFT,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |