Tree delimber

Details Tree delimber Tree delimber

1994-09-20

1995-08-22

Bray, W. Donald

Woodworking

Special-work machine

144343, B27L 100, A01G 2300

Patent

active

054435625

ABSTRACT:
A portable support structure defines a generally horizontal path along which an elongated log may be longitudinally shifted and mounts an upwardly opening tree trunk supporting and guiding crotch structure therefrom as well as a pair of curvilinear limb stripping blades mounted for movement toward and away from each other and defining a tree trunk encircling cutting opening therebetween generally coaxial with the aforementioned path. Log presence sensing structure is spaced along the path from the blades and mounted from the support structure for movement between upper and lower limit positions and resiliently yieldable motion transmitting structure is operatively connected between the log pressure sensing structure and the blades for swinging the latter toward and away from each other responsive to down and up movement, respectively, of the log pressure sensing structure.

REFERENCES:
patent: 3398774 (1968-08-01), Hahn
patent: 3572410 (1971-03-01), McElderry
patent: 3672413 (1972-06-01), Jouppi
patent: 3868981 (1975-03-01), Nadeau
patent: 4049032 (1977-09-01), Oldenburg et al.
patent: 4147190 (1979-04-01), Nadeau
patent: 4335766 (1982-06-01), Davis et al.
patent: 4749012 (1988-06-01), Hamby, Jr.
patent: 4850405 (1989-07-01), Johnson et al.
patent: 5146960 (1992-09-01), Blakely

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