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US 6,125,544 AGranted
Pruning saw
AssigneeSandvik Aktiebolag
InventorsEckhard Eriksson, Nils-Erik Lund
Life of this patent
Estimating the term…
Abstract
A pruning saw includes an elongated sawblade which has a line of cutting teeth. Opposite sides of the blade extending between the line of teeth and the back edge are concave. A thinnest waist between the concave sides is located closer to the line of teeth than to the back where the blade has its maximum height. A front edge of the blade forms a rounded corner where it intersects the back edge.
Claims11
A pruning saw comprising an elongated saw blade and a handle connected to a rear mounting portion of the blade;
- the blade including a cutting portion projecting longitudinally forwardly from the handle;
- the cutting portion forming a toothed longitudinal edge and a longitudinal back edge situated opposite the toothed edge;
- a line of cutting teeth disposed substantially entirely along the toothed edge;
- the cutting portion including opposite side surfaces extending between the back edge and the toothed edge and forming side surfaces of the teeth;
- a distance between the back edge and the toothed edge defining a height of the blade;
- the teeth having rake faces ground therein in a first of the side surfaces and intersecting a second side surface to form front and rear cutting edges on each tooth;
- the first and second side surfaces of the blade being concavely curved whereby a thickness of the blade defined between the side surfaces varies from adjacent the toothed edge to adjacent the back edge;
- a narrowest thickness of the blade defining a waist of the blade;
- the waist disposed closer to the toothed edge than to the back edge in a maximum-height region of the blade.
6 more elements
Dependencies are inferred from the claim text.