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US3191768A Expired / Lapsed US ⏱️ 0.0 years remaining

Material handling device

Assignee: Individual
•
Filing: 1963-04-01
•
Granted: 1965-06-29
•
Expires: 1983-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Hazel E Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:35
CPC Classifications
A; A45; A45D; A45D40/00; A45D40/06

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 330 words
A DEVICE FOR HANDLING A SUBSTANTIALLY SOLID STICK OF MATERIAL INCLUDING AN ELONGATE TUBULAR BODY WITH AN OPEN OUTER END AND AN ELONGATE INWARDLY OPENING TUBULAR HEAD ON THE INNER END THEREOF, SAID HEAD HAVING AN INNER RADIALLY INWARDLY PROJECTING RETAINING LIP AT ITS INNER END, A CUP WITH AN AXIAL CYLINDRICAL SIDE WALL AND A FLAT BOTTOM SLIDABLE LONGITUDINAL IN THE BODY AND CARRYING A STICK FACING THE OUTER END OF THE BODY, MEANS ADAPTED TO OPERATE THE CUP LONGITUDINALLY IN THE BODY INCLUDING A SLEEVE AROUND THE BODY, A CAM LINER IN THE SLEEVE AND AROUND THE BODY AND HAVING A CAMWAY THEREIN AN A CAM FOLLOWER PROJECTING FROM THE CUP AND OPERATING IN THE CAMWAY, THE BODY HAVING A LONGITUDINAL GUIDE SLOT PASSIN THE FOLLOWER FROM THE CUP TO THE CAMWAY, AND MEANS ADAPTED TO EJECT MATERIAL FROM THE CUP, INCLUDING, A SUBSTANTIALLY FLAT FALSE BOTTOM IN THE CUP SLIDABLY ENGAGED THEREWITH AND SHIFTABLE LONGITUDINALLY THEREOF, THE FALSE BOTTOM BEING FLAT AGAINST AND CONFINED TO THE END OF THE STICK OF MATERIAL, AN ELONGATE THREADED STEM THREADEDLY ENGAGED THROUGH THE BOTTOM OF THE CUP AND SHIFTABLE AXIALLY RELATIVE TO THE CUP AND FIXED TO THE FALSE BOTTOM, THE STEM PROJECTING AWAY FROM THE BOTTOM OF THE STICK OF MATERIAL AND FROM THE CUP, AND MEANS OPERATING THE STEM INCLUDING A DRIVEN PORTION ON THE INNER END OF THE STEM, A UNITARY CYLINDRICAL ACTUATOR WITH A CENTRAL DRIVE PORTION OPPOSING SAID DRIVEN PORTION AND ROTATABLY ENGAGED IN AND CARRIED BY THE HEAD AND HAVING A RADIALLY OUTWARDLY OPENING GROOVE RECEIVING THE RETAINING LIP, ONE OF SAID PORTIONS DEFINING AN AXIALLY DIVERGENT POLYGONAL HEAD, THE OTHER PORTTION DEFINING AN AXIALLY DIVERGENT POLYGONAL OPENING OPPOSING AND ADAPTED TO COOPERATIVELY RECEIVE AND ESTABLISH DRIVING ENGAGEMENT WITH THE POLYGONAL HEAD WHEN SAID STEM IS SHIFTED AXIALLY INWARDLY INTO ENGAGEMENT WITH SAID ACTUATOR HAVING A FINGER-ENGAGING BODY AND SLEEVE, SAID ACTUATOR HAVING A FINGER-ENGAGING PORTION ACCESSIBLE AT THE INNER END OF THE CONSTRUCTION.

References Cited (Backward Citations)

US2565346A Cited
US2720965A Cited
US2816654A Cited
GB804149A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-28 1968-12-28 1969-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-28 1972-12-28 1973-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-28 1976-12-28 1977-06-29 $7700.00 Window Closed / Lapsed

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