Electric tree pruning saw
First Claim
1. IN AN ELECTRIC PRUNING SAW, THE COMBINATION OF A HOLLOW HOUSING HAVING A HANDLE PORTION INTEGRAL THEREWITH, AN ELONGATED TUBULAR POLE AFFIXED AT ONE END TO SAID HOUSING, A GUIDE AFFIXED AT ONE END THEREOF TO THE OTHER END OF SAID POLE AND HAVING A NONCIRCULAR OPENING AXIAL OF SAID POLE AND A TREE LIMB SUPPORT PORTION WITH A CROSS HEAD GENERALLY TRANSVERSE TO THE AXIS OF SAID POLE AND A CONNECTING PORTION EXTENDING FROM SAID CROSS HEAD TO SAID ONE END OF SAID GUIDE, A BLADE SUPPORT MEMBER HAVING A NONCIRCULAR CROSS SECTION COMPLEMENTARY TO SAID OPENING AND BEING RECIPROCABLE LONGITUDINALLY WITHIN SAID OPENING, A PRUNING SAW BLADE, MEANS FOR SECURING SAID BLADE TO SAID BLADE SUPPORT MEMBER, SAID LIMB SUPPORT PORTION HAVING LONGITUDINAL AND TRANSVERSE BLADE GUIDING SLOTS THEREIN SLIDABLY RECEIVING SAID BLADE PROVIDING CONTINUOUS LATERAL SUPPORT TO SAID BLADE FROM SAID BLADE SUPPORT MEMBER TO SAID CROSS HEAD TO PREVENT BUCKLING THEREOF DURING CUTTING, AN ELECTRIC MOTOR WITHIN SAID HOUSING HAVING AN OUTPUT SHAFT, AN ELONGATED OPERATING ROD EXTENDING AXIALLY WITHIN SAID TUBULAR POLE AND BEING AFFIXED AT ONE END TO SAID BLADE SUPPORT MEMBER, POWER TRANSMITTING MEANS WITHIN SAID HOUSING HAVING THE INPUT OPERATIVELY CONNECTED TO SAID ROD AND MEANS FOR CONVERTING ROTATION OF SAID POWER TRANSMITTING MEANS INTO RECIPROCATION OF SAID SAW BLADE.
1 Assignment
0 Petitions
Accused Products
-
Citations
1 Claim
-
1. IN AN ELECTRIC PRUNING SAW, THE COMBINATION OF A HOLLOW HOUSING HAVING A HANDLE PORTION INTEGRAL THEREWITH, AN ELONGATED TUBULAR POLE AFFIXED AT ONE END TO SAID HOUSING, A GUIDE AFFIXED AT ONE END THEREOF TO THE OTHER END OF SAID POLE AND HAVING A NONCIRCULAR OPENING AXIAL OF SAID POLE AND A TREE LIMB SUPPORT PORTION WITH A CROSS HEAD GENERALLY TRANSVERSE TO THE AXIS OF SAID POLE AND A CONNECTING PORTION EXTENDING FROM SAID CROSS HEAD TO SAID ONE END OF SAID GUIDE, A BLADE SUPPORT MEMBER HAVING A NONCIRCULAR CROSS SECTION COMPLEMENTARY TO SAID OPENING AND BEING RECIPROCABLE LONGITUDINALLY WITHIN SAID OPENING, A PRUNING SAW BLADE, MEANS FOR SECURING SAID BLADE TO SAID BLADE SUPPORT MEMBER, SAID LIMB SUPPORT PORTION HAVING LONGITUDINAL AND TRANSVERSE BLADE GUIDING SLOTS THEREIN SLIDABLY RECEIVING SAID BLADE PROVIDING CONTINUOUS LATERAL SUPPORT TO SAID BLADE FROM SAID BLADE SUPPORT MEMBER TO SAID CROSS HEAD TO PREVENT BUCKLING THEREOF DURING CUTTING, AN ELECTRIC MOTOR WITHIN SAID HOUSING HAVING AN OUTPUT SHAFT, AN ELONGATED OPERATING ROD EXTENDING AXIALLY WITHIN SAID TUBULAR POLE AND BEING AFFIXED AT ONE END TO SAID BLADE SUPPORT MEMBER, POWER TRANSMITTING MEANS WITHIN SAID HOUSING HAVING THE INPUT OPERATIVELY CONNECTED TO SAID ROD AND MEANS FOR CONVERTING ROTATION OF SAID POWER TRANSMITTING MEANS INTO RECIPROCATION OF SAID SAW BLADE.
Specification
-
- Resources
-
Current AssigneeBenchmark Tool Company
-
Original AssigneeErwin C. Knight
-
InventorsKnight, Erwin C.
-
Application NumberUS04/520,759Time in Patent Office606 DaysField of SearchUS Class Current30/394CPC Class CodesA01G 3/08 Other tools for pruning, br...
