Cutlery – Cutting tools – With blade moving means
Patent
1985-11-18
1987-02-10
Watts, Douglas D.
Cutlery
Cutting tools
With blade moving means
30296R, 56 127, B26B 2700
Patent
active
046414312
ABSTRACT:
A new electric hedge trimmer utilizes an innovative metal wire whip, rotating at high speed inside a dish-shaped whip and chip guard, to cut hedge, bushes, vine and other relatively large-stemmed foliage effectively, safely and conveniently, as described above and as facilitated by a system of switches and handles. The wire whip can be constructed from any one of several metals, alloys or space-age composite wires to enhance performance and durability. However, scrap copper wire has been used to cut hedge five times faster and better than existing methods such as plastic monofilament or heavy metal blade cutters. For optimum performance, the wire whip is rotated at speeds in the order of 10,000 to 20,000 RPM which are easily attainable by modern motors. A close-coupled loop handle, a self-storing extension handle and a substitute extension handle provide for use of the device on low, medium or high growing foliage.
REFERENCES:
patent: 3657813 (1972-04-01), Knight
patent: 3831278 (1974-04-01), Voglesonger
patent: 4049059 (1977-09-01), Weibling
patent: 4463498 (1984-08-01), Everts
Dawson Luther C.
Leming Anthony D.
Coleman R. B.
Watts Douglas D.
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