×

TREE CUTTING AND PILING APPARATUS

  • US 3,664,391 A
  • Filed: 03/16/1970
  • Issued: 05/23/1972
  • Est. Priority Date: 03/16/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for cutting and piling trees comprising a vertically and horizontally movable boom, a mast supported by the boom and adapted to be positioned extending longitudinally of a tree, power operated grapple means on the mast for clamping the tree to said mast, tree cutting means near the lower end of the mast and including an endwise movable support plate disposed at right angles to the longitudinal axis of said mast, first power means for moving the support plate towards and away from the tree, said support plate being enterable beneath the butt end of the tree as a cut progresses eventually to form a stop against downward movement of the cut tree clamped to the mast by the grapple means, said grapple means comprising a plurality of grapples longitudinally spaced apart on the mast and having tree embracing arms projecting outwardly therefrom, one of said grapples having arms including front portions and hinged extensions adapted to fold towards the mast, spring means biasing each hinged extension into a normally aligned position with its front portion, said grapples being independently operable to clamp a second tree to the mast after a first tree is clamped thereto.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×