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US3093170A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable log debarking machine

Assignee: Individual
•
Filing: 1960-03-04
•
Granted: 1963-06-11
•
Expires: 1980-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 Julius A Thayer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 07:09
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0016; B27L; B27L1/00; B27L1/06; Y; Y10; Y10T; Y10T83/00; Y10T83/667; Y10T83/707

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 343 words
A MACHINE FOR REMOVING BARK FROM LOGS COMPRISING: A. AN ENDLESS FLEXIBLE CUTTER CARRIER; B. THREE ROTATABLE MEMBER ABOUT WHICH SAID CUTTER CARRIER IS TRAINED; C. A FRAME SUPPORTING SAID ROTATABLE MEMBERS WITH THEIR AXIS PARALLEL, (1) SAID FRAME HOLDING TWO OF THE ROTATABLE MEMBBERS IN SPACED APART RELATION SO THAT THEY COOPERATE IN DEFINING A SUBSTANTIALLY LONG STRETCH OF THE CARRIER, AND (2) HOLDING THE THIRD ROTATABLE MEMBER WITH ITS AXIS SPACED FROM THE PLANE OF THE AXES OF SAID TWO DESIGNATED ROTATABLE MEMBERS AND AT THE SIDE OF THE PLANE REMOTE FROM SAID LONG STRETCH OF THE CARRIER, SO THAT SAID THIRD ROTATABLE MEMBER DEFINES TWO SHORTER STRETCHES OF THE CARRIER AND PROVIDES FOR SUBSTANTIAL INWARD DISPLACEMENT OF THE MEDIAL PORTION OF SAID LONG STRETCH OF THE CARRIER; D. YIELDING BIASING MEANS ON THE FRAME TRANSLATINGLY URGING TWO OF SAID ROTATABLE MEMBERS RELATIVELY AWAY FROM ONE ANOTHER SO THAT THEY AT ALL TIMES TEND TO HOLD SAID LONG STRETCH OF THE CARRIER STRAIGHT AND TEND TO RESIST SUCH DISPLACEMENT THEREOF; E. AND A PLURALITY OF CUTTING ELEMENTS SECURED TO THE CUTTER CARRIER AT SPACED INTERVALS ALONG THE LENGTH THEREOF, EACH OF SAID CUTTING ELEMENTS COMPRISING: (1) A PAIR OF THIN KNIFE BLADES PROJECTING PERPENDICULARLY FROM THE OUTER FACE OF THE CUTTER CARRIER, PARALLEL TO ONE ANOTHER AND TO THE DIRECTION OF CUTTER CARRIER MOTION, SAID KNIFE BLADES HAVING THEIR INNER SUFACES OPPOSITE ONE ANOTHER AND HAVING A. CUTTING EDGES WHICH EXTENDED IN THE DIRECTION OF CUTTER CARRIER MOTION SO THAT THE LENGTH OF THE KNIFE BLADES IS SUBSTANTIALLY GREATER THAN THEIR HEIGHT AND B. HAVING CURVED AND SHARPENED LEADING ENDS WHICH MERGE WITH THEIR CUTTING EDGES, AND (2) A CHISEL BLADE HAVING A. A CUTTING EDGE TRANSVERSE TO THE CUTTING EDGES OF THE KNIFE BLADES AND BETWEEN THE PLANES OF THEIR INNER SURFACES, TO PLOW MATERIAL FROM BETWEEN PARALLEL CUTS MADE BY THEM, B. SAID CHISEL BLADE BEING FIXED WITH RESPECT TO KNIFE BLADES NEAR THEIR TRAILING ENDS SO THAT THE KNIFE BLADES CONTROL THE DEPTH TO WHICH THE CHISEL CUTS.
Claim 2
Dependent Claim 343 words
A MACHINE FOR REMOVING BARK FROM LOGS COMPRISING: A. AN ENDLESS FLEXIBLE CUTTER CARRIER; B. THREE ROTATABLE MEMBER ABOUT WHICH SAID CUTTER CARRIER IS TRAINED; C. A FRAME SUPPORTING SAID ROTATABLE MEMBERS WITH THEIR AXIS PARALLEL, (1) SAID FRAME HOLDING TWO OF THE ROTATABLE MEMBBERS IN SPACED APART RELATION SO THAT THEY COOPERATE IN DEFINING A SUBSTANTIALLY LONG STRETCH OF THE CARRIER, AND (2) HOLDING THE THIRD ROTATABLE MEMBER WITH ITS AXIS SPACED FROM THE PLANE OF THE AXES OF SAID TWO DESIGNATED ROTATABLE MEMBERS AND AT THE SIDE OF THE PLANE REMOTE FROM SAID LONG STRETCH OF THE CARRIER, SO THAT SAID THIRD ROTATABLE MEMBER DEFINES TWO SHORTER STRETCHES OF THE CARRIER AND PROVIDES FOR SUBSTANTIAL INWARD DISPLACEMENT OF THE MEDIAL PORTION OF SAID LONG STRETCH OF THE CARRIER; D. YIELDING BIASING MEANS ON THE FRAME TRANSLATINGLY URGING TWO OF SAID ROTATABLE MEMBERS RELATIVELY AWAY FROM ONE ANOTHER SO THAT THEY AT ALL TIMES TEND TO HOLD SAID LONG STRETCH OF THE CARRIER STRAIGHT AND TEND TO RESIST SUCH DISPLACEMENT THEREOF; E. AND A PLURALITY OF CUTTING ELEMENTS SECURED TO THE CUTTER CARRIER AT SPACED INTERVALS ALONG THE LENGTH THEREOF, EACH OF SAID CUTTING ELEMENTS COMPRISING: (1) A PAIR OF THIN KNIFE BLADES PROJECTING PERPENDICULARLY FROM THE OUTER FACE OF THE CUTTER CARRIER, PARALLEL TO ONE ANOTHER AND TO THE DIRECTION OF CUTTER CARRIER MOTION, SAID KNIFE BLADES HAVING THEIR INNER SUFACES OPPOSITE ONE ANOTHER AND HAVING A. CUTTING EDGES WHICH EXTENDED IN THE DIRECTION OF CUTTER CARRIER MOTION SO THAT THE LENGTH OF THE KNIFE BLADES IS SUBSTANTIALLY GREATER THAN THEIR HEIGHT AND B. HAVING CURVED AND SHARPENED LEADING ENDS WHICH MERGE WITH THEIR CUTTING EDGES, AND (2) A CHISEL BLADE HAVING A. A CUTTING EDGE TRANSVERSE TO THE CUTTING EDGES OF THE KNIFE BLADES AND BETWEEN THE PLANES OF THEIR INNER SURFACES, TO PLOW MATERIAL FROM BETWEEN PARALLEL CUTS MADE BY THEM, B. SAID CHISEL BLADE BEING FIXED WITH RESPECT TO KNIFE BLADES NEAR THEIR TRAILING ENDS SO THAT THE KNIFE BLADES CONTROL THE DEPTH TO WHICH THE CHISEL CUTS.

References Cited (Backward Citations)

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CH161366A Cited
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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) 1966-06-10 1966-12-10 1967-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-06-10 1970-12-10 1971-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-06-10 1974-12-10 1975-06-11 $7700.00 Window Closed / Lapsed

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