Tree lifter

Details Tree lifter Tree lifter

1989-11-16

1991-04-23

Bucci, David A.

Material or article handling

Pole or tree handlers

294 16, 294114, A01G 2302, B66F 1100

Patent

active

050095587

ABSTRACT:
A tree-lifter mechanism operable by two people standing at opposite ends of the mechanism. Two elongated handles are pivotably connected to the ends of a horizontal support frame that is adapted to span an upright tree. Saddles on the inner ends of the handles exert clamp forces on the tree surfaces when lifting forces are exerted on the outer ends of the elongated handles.

REFERENCES:
patent: 809003 (1906-01-01), Mitchell
patent: 2367889 (1945-01-01), Radtke
patent: 2603525 (1952-07-01), Stotts
patent: 3311350 (1967-03-01), Irwin
patent: 3410420 (1968-11-01), Butts
patent: 3507533 (1970-04-01), Beattie
patent: 3778098 (1973-12-01), Tawara
patent: 3848850 (1974-11-01), Bemis

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