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US3233790A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for airtight transfer of solid particles

Assignee: Kikkoman Corp
•
Filing: 1963-12-30
•
Granted: 1966-02-08
•
Expires: 1983-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Mogi Shichizaemon
  • 👤 Toei Ryozo
  • 👤 Funaki Shigenori

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:06
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4683

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 147 words
AN APPARATUS FOR AN AIRTIGHT TRANSFER OF SOLID PARTICLES COMPRISING, A CYLINDER, SAID CYLINDER HAVING AN INLET AND AN OUTLET PORT THEREIN, A FEED BAR RECIPROCALLY MOUNTED IN SAID CYLINDER, SAID FEED BAR SEALINGLY ENGAGING THE CYLINDER, A CROSSHEAD MOUNTED ON ONE END OF THE FEED BAR, A PINTLE PROJECTING FROM THE CROSSHEAD INTO ONE END OF THE FEED BAR TO SLIDABLY FIT THEREIN, AND SPRING MEANS FITTED BETWEEN THE PINTLE AND THE FEED BAR TO YIELDABLY COUPLE THE PINTLE AND THE FEED BAR, A DRIVE CHAIN MOUNTED ADJACENT THE CROSSHEAD, SAID CROSSHEAD HAVING A VERTICAL SLOT THEREIN, A PIN EXTENDING FROM THE CHAIN INTO THE SLOT, DRIVE MEANS EXTENDING TO THE CHAIN CONTINUOUSLY ROTATING THE CHAIN, A FEED HOPPER MOUNTED ON THE CYLINDER OVER THE INLET PORT THEREOF, FEED MEANS IN SAID HOPPER TO MOVE SOLID PARTICLES THERETHROUGH, AND DRIVE MEANS EXTENDING TO SAID FEED MEANS.
Claim 2
Independent Claim 147 words
AN APPARATUS FOR AN AIRTIGHT TRANSFER OF SOLID PARTICLES COMPRISING, A CYLINDER, SAID CYLINDER HAVING AN INLET AND AN OUTLET PORT THEREIN, A FEED BAR RECIPROCALLY MOUNTED IN SAID CYLINDER, SAID FEED BAR SEALINGLY ENGAGING THE CYLINDER, A CROSSHEAD MOUNTED ON ONE END OF THE FEED BAR, A PINTLE PROJECTING FROM THE CROSSHEAD INTO ONE END OF THE FEED BAR TO SLIDABLY FIT THEREIN, AND SPRING MEANS FITTED BETWEEN THE PINTLE AND THE FEED BAR TO YIELDABLY COUPLE THE PINTLE AND THE FEED BAR, A DRIVE CHAIN MOUNTED ADJACENT THE CROSSHEAD, SAID CROSSHEAD HAVING A VERTICAL SLOT THEREIN, A PIN EXTENDING FROM THE CHAIN INTO THE SLOT, DRIVE MEANS EXTENDING TO THE CHAIN CONTINUOUSLY ROTATING THE CHAIN, A FEED HOPPER MOUNTED ON THE CYLINDER OVER THE INLET PORT THEREOF, FEED MEANS IN SAID HOPPER TO MOVE SOLID PARTICLES THERETHROUGH, AND DRIVE MEANS EXTENDING TO SAID FEED MEANS.

References Cited (Backward Citations)

US1097333A Cited
US1064359A Cited
US1762443A Cited
US2161190A Cited
US2353276A Cited
US2408285A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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