Implements or apparatus for applying pushing or pulling force – Wedge
Patent
1983-01-13
1984-05-29
Bray, W. D.
Implements or apparatus for applying pushing or pulling force
Wedge
144193D, B26F 318
Patent
active
044510241
ABSTRACT:
A felling wedge comprising a main body portion of plastic material and a cap of hard metal material. The cap is secured to the plastic by a stud which depends from the cap and is embedded in the plastic. The cap is designed to receive the impact blows of a driving mall whereas the plastic body portion is designed to receive the bite of a cutting chain without undully dulling the cutting edges thereof.
REFERENCES:
patent: 188376 (1877-03-01), Kelly
patent: 3185442 (1965-05-01), Hemphill
Bray W. D.
Harrington Robert L.
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