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US3085686A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic lumber sorter

Assignee: Individual
•
Filing: 1961-11-28
•
Granted: 1963-04-16
•
Expires: 1981-11-28
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Abstract

No abstract record available.

Inventors

  • 👤 John C Hanbury
  • 👤 George Prince

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 04:19
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/14; Y; Y10; Y10S; Y10S209/00; Y10S209/933; Y10S209/941

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 321 words
A LUMBER HANDLING SYSTEM COMPRISING, A LUMBER PLATFORM, MEANS FOR MOVING LUMBER TRANSVERSELY ACROSS SAID PALTFORM, A PLURALITY OF GATES IN SAID PLATFORM, EACH SAID GATE HAVING AN OPEN AND A CLOSED POSITION, SAID LUMBER BEING CARRIED ACROSS EACH SAID GATE WHEN IN ITS CLOSED POSITION, AND DROPPING FROM SAID PLATFORM THROUGH A SAID GATE WHEN IN ITS OPEN POSITION, A PLURALITY OF ELECTRICAL TRIP MEANS ABOVE SAID PLATFORM, EACH OF SAID TRIP MEANS BEING ASSOCIATED WITH A RESPECTIVE GATE, SAID TRIP MEANS BEING SO PLACED RELATIVELY TO SAID PLATFORM FOR ENGAGEMENT BY LUMBER WHEN OF A CHOSEN DIMENSION TO OPEN SAID RESPECTIVE GATE, A BIN BELOW EACH SAID GATE, A PLATFORM IN SAID BIN FOR RECEIVING AND SUPPORTING LUMBER ENTERING THE BIN AND INCLINED AT AN ANGLE TO THE HORIZONTAL GREATER THAN THE ANGLE OF REPOSE OF LUMBER ON SAID BIN PLATFORM AND OF LUMBER ON OTHER PIECES OF LUMBER IN SAID BIN, MEANS FOR LOWERING THE BIN PLATFORM, A LIMIT SWITCH IN SAID BIN FOR ENGAGEMENT BY LUMBER ON SAID BIN PLATFORM PROJECTING ABOVE A CHOSEN LEVEL IN SAID BIN, SAID SWITCH BEING CONNECTED TO SAID LOWERING MEANS TO LOWER SAID BIN PLATFORM TO MOVE SAID LUMBER OUT OF ENGAGEMENT WITH SAID SWITCH, MEANS FOR RELEASING LUMBER FROM SAID BIN, A LUMBER TRANSFER BELOW SAID BIN FOR RECEIVING LUMBER RELEASED FROM SAID BIN, AN INCLINED CONVEYOR COMPRISING A PLURALITY OF LATERALLY SPACED MEMBERS BEING ADVANCED AT THE SAME SPEED AS ONE ANOTHER, LUGS ON SAID MEMBERS FOR HOLDING A PIECE OF LUMBER TRANSVERSELY TO THE DIRECTION OF TRAVEL OF THE INCLINED CONVEYOR, SAID LUGS PROJECTING FROM SAID MEMBERS SUFFICIENTLY ONLY TO ENGAGE AND CARRY A SINGLE PIECE OF LUMBER, SAID TRANSFER BEING ARRANGED TO DISCHARGE LUMBER TRANSVERSELY INTO A WELL FOR GRIPPING BY SAID INCLINED CONVEYOR LUGS, WHEREBY LUMBER IS DISCHARGED ONE PIECE AT A TIME FROM SAID INCLINED CONVEYOR WITH ITS LENGTH TRANSVERSE TO THE DIRECTION OF DISCHARGE.
Claim 2
Dependent Claim 321 words
A LUMBER HANDLING SYSTEM COMPRISING, A LUMBER PLATFORM, MEANS FOR MOVING LUMBER TRANSVERSELY ACROSS SAID PALTFORM, A PLURALITY OF GATES IN SAID PLATFORM, EACH SAID GATE HAVING AN OPEN AND A CLOSED POSITION, SAID LUMBER BEING CARRIED ACROSS EACH SAID GATE WHEN IN ITS CLOSED POSITION, AND DROPPING FROM SAID PLATFORM THROUGH A SAID GATE WHEN IN ITS OPEN POSITION, A PLURALITY OF ELECTRICAL TRIP MEANS ABOVE SAID PLATFORM, EACH OF SAID TRIP MEANS BEING ASSOCIATED WITH A RESPECTIVE GATE, SAID TRIP MEANS BEING SO PLACED RELATIVELY TO SAID PLATFORM FOR ENGAGEMENT BY LUMBER WHEN OF A CHOSEN DIMENSION TO OPEN SAID RESPECTIVE GATE, A BIN BELOW EACH SAID GATE, A PLATFORM IN SAID BIN FOR RECEIVING AND SUPPORTING LUMBER ENTERING THE BIN AND INCLINED AT AN ANGLE TO THE HORIZONTAL GREATER THAN THE ANGLE OF REPOSE OF LUMBER ON SAID BIN PLATFORM AND OF LUMBER ON OTHER PIECES OF LUMBER IN SAID BIN, MEANS FOR LOWERING THE BIN PLATFORM, A LIMIT SWITCH IN SAID BIN FOR ENGAGEMENT BY LUMBER ON SAID BIN PLATFORM PROJECTING ABOVE A CHOSEN LEVEL IN SAID BIN, SAID SWITCH BEING CONNECTED TO SAID LOWERING MEANS TO LOWER SAID BIN PLATFORM TO MOVE SAID LUMBER OUT OF ENGAGEMENT WITH SAID SWITCH, MEANS FOR RELEASING LUMBER FROM SAID BIN, A LUMBER TRANSFER BELOW SAID BIN FOR RECEIVING LUMBER RELEASED FROM SAID BIN, AN INCLINED CONVEYOR COMPRISING A PLURALITY OF LATERALLY SPACED MEMBERS BEING ADVANCED AT THE SAME SPEED AS ONE ANOTHER, LUGS ON SAID MEMBERS FOR HOLDING A PIECE OF LUMBER TRANSVERSELY TO THE DIRECTION OF TRAVEL OF THE INCLINED CONVEYOR, SAID LUGS PROJECTING FROM SAID MEMBERS SUFFICIENTLY ONLY TO ENGAGE AND CARRY A SINGLE PIECE OF LUMBER, SAID TRANSFER BEING ARRANGED TO DISCHARGE LUMBER TRANSVERSELY INTO A WELL FOR GRIPPING BY SAID INCLINED CONVEYOR LUGS, WHEREBY LUMBER IS DISCHARGED ONE PIECE AT A TIME FROM SAID INCLINED CONVEYOR WITH ITS LENGTH TRANSVERSE TO THE DIRECTION OF DISCHARGE.

References Cited (Backward Citations)

US1706632A Cited
US2849236A Cited
US2998133A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-15 1966-10-15 1967-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-15 1970-10-15 1971-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-15 1974-10-15 1975-04-16 $7700.00 Window Closed / Lapsed

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