US3090961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fastening structural members
Assignee: Individual
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Filing: 1961-07-21
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Granted: 1963-05-28
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Mcrae
- 👤 Carl E Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN APPARATUS OF THE CHARACTER DESCRIBED COMPRISING CONVEYING MEANS FOR RECEIVING STRUCTUAL MEMBERS DISPOSED IN PREDETERMINED OVERLAPPING RELATIONSHIP AND TRANSPORTING SAID MEMBERS ALONG A PATH, FASTENER DRIVING MEANS DISPOSED ALONG SAID PATH FOR FASTENING SUCH STRUCTURAL MEMBERS TOGETHER, SAID FASTENER MEANS INCLUDING A VERTICALLY MOVABLE HAMMER SUPPORT MEMBER HAVING A HAMMER ASSEMBLY CARRIED THEREON, A FIRST PISTON AND CYLINDER FOR MOVING SAID CONVEYOR IN SPACED INCREMENTS, A SECOND PISTON AND CYLINDER FOR RECIPROCATING SAID SUPPORT MEMBER, SAID HAMMER ASSEMBLY HAVING A THIRD PISTON AND CYLINDER FOR ACTUATION THEREOF, TRIGGER MEANS ENGAGEABLE WITH SAID HAMMER ASSEMBLY FOR ACTUATION THEROF WHEN SAID SUPPORT MEMBER IS MOVED DOWNWARDLY A PREDETERMINED DISTANCE, AND FLUID PRESSURE TO SAID PISTONS A TWO-WAY VALVE FOR SUPPLYING PRESSURE TO SAID PISTONS AND CYLINDERS FOR ACTUATING SAID CONVEYING MEANS WHILE RETRACTING SAID SUPPORT MEMBER UPWARDLY AND ALTERNATELY MOVING SAID SUPPORT MEMBER DOWNWARDLY WHILE RESETTING SAID CONVEYING MEANS.
Claim 2
Independent Claim
148 words
AN APPARATUS OF THE CHARACTER DESCRIBED COMPRISING CONVEYING MEANS FOR RECEIVING STRUCTUAL MEMBERS DISPOSED IN PREDETERMINED OVERLAPPING RELATIONSHIP AND TRANSPORTING SAID MEMBERS ALONG A PATH, FASTENER DRIVING MEANS DISPOSED ALONG SAID PATH FOR FASTENING SUCH STRUCTURAL MEMBERS TOGETHER, SAID FASTENER MEANS INCLUDING A VERTICALLY MOVABLE HAMMER SUPPORT MEMBER HAVING A HAMMER ASSEMBLY CARRIED THEREON, A FIRST PISTON AND CYLINDER FOR MOVING SAID CONVEYOR IN SPACED INCREMENTS, A SECOND PISTON AND CYLINDER FOR RECIPROCATING SAID SUPPORT MEMBER, SAID HAMMER ASSEMBLY HAVING A THIRD PISTON AND CYLINDER FOR ACTUATION THEREOF, TRIGGER MEANS ENGAGEABLE WITH SAID HAMMER ASSEMBLY FOR ACTUATION THEROF WHEN SAID SUPPORT MEMBER IS MOVED DOWNWARDLY A PREDETERMINED DISTANCE, AND FLUID PRESSURE TO SAID PISTONS A TWO-WAY VALVE FOR SUPPLYING PRESSURE TO SAID PISTONS AND CYLINDERS FOR ACTUATING SAID CONVEYING MEANS WHILE RETRACTING SAID SUPPORT MEMBER UPWARDLY AND ALTERNATELY MOVING SAID SUPPORT MEMBER DOWNWARDLY WHILE RESETTING SAID CONVEYING MEANS.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |