Apparatus for moving sawlogs or tree stems between stations

Details Apparatus for moving sawlogs or tree stems between stations Apparatus for moving sawlogs or tree stems between stations

1993-09-10

1994-12-20

Huppert, Michael S.

Material or article handling

Cylindrical bar handling device

Comprising walking beam

1987743, 198775, B65G 2508

Patent

active

053741579

ABSTRACT:
The disclosure describes an apparatus to move, individually and at a controlled rate, sawlogs and tree stems from a first multiple feeding station to a second station situated at a higher level than that of the first station; it comprises a frame and two sets of movable plates, both extending in parallel vertical planes. A system of levers is connected to the two sets of movable plates so as to serve as support and to supply them with a trajectory defining an arc of a circle. A rotary motor, a drive lever and a link cooperate to provide this trajectory with a sinusoidal-type acceleration.

REFERENCES:
patent: 2327734 (1943-08-01), Morgan
patent: 3130830 (1964-04-01), Allbeson
patent: 3203430 (1965-08-01), Lorenzen et al.
patent: 3712458 (1973-01-01), Elineau
patent: 4585114 (1986-04-01), Liliano
patent: 5086912 (1992-02-01), Howden, Jr.
patent: 5174351 (1992-12-01), Lindenblatt et al.

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