Woodworking – Slicer – Rotary disk
Patent
1988-03-11
1989-05-09
Bray, W. Donald
Woodworking
Slicer
Rotary disk
241 92, B27C 100
Patent
active
048279897
ABSTRACT:
A wood chipper (40) for chipping wood, such as logs, into wood chips, has a chipping block (80) including one or more chipping knives (96) rotatably mounted in a housing (42l). An input aperture (60) on one face of the housing (42) receives material to be chipped, and a discharge chute (58) extends tangentially from the periphery of the housing (42) to exhaust chips therefrom. Primary and secondary wear blocks (68, 69) having hardened wear surfaces, are mounted at the input aperture (60) of the housing (42), against which incoming wood material abuts as it is fed into the chipper (40). The primary wear block (68) is mounted on a support bracket (66) and adjustable relative to the axial position of the chipper knives (96). The secondary wear block (69) is adapted to be mounted to the housing (42) at an inward edge of the input aperture (60), so that it can be easily removed.
REFERENCES:
patent: Re26323 (1967-12-01), Fontaine
patent: 1906486 (1933-05-01), Payzer
patent: 2566938 (1951-09-01), Johnson
patent: 2712904 (1955-07-01), Durkee
patent: 3000578 (1961-09-01), Riches et al.
patent: 3032281 (1962-05-01), Wexell
patent: 3332461 (1967-07-01), Ledergerber
patent: 3542302 (1970-11-01), Salzmann, Jr.
patent: 3844489 (1974-10-01), Strong
A parts list and exploded view of a chipper assembly for a Trelan Model wood chipper from Strong Manufacturing Company, 498 Eight Mile Road, Remus, Michigan 49340. (Publication Date Unknown).
Cutaway view of the knife arrangement of the same Trelan model wood chipper from Strong Manufacturing Company.
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