Mounting assembly for straw chopper blades
AssigneeDeere & Company
InventorsMartin Bueermann, Dirk Weichholdt
Life of this patent
Estimating the term…
Abstract
A mounting assembly for fastening blades to a straw chopper rotor. The rotor is provided with a plurality of mounts each mount having a rotor mounting hole. The blades are secured to the mounts. Each blade is provide with a blade mounting hole. A pin is inserted into the rotor mounting hole and the blade mounting hole. The pin is provided with a locking element for holding the pin in place. The locking element having a trapping position where it is locked in place and a loosening position wherein the pin can be removed. The locking element is held in its trapping position by a spring. The locking element engaging a recess having an edge for holding the locking element in the trapping position.
Claims16
A mounting assembly for the fastening of blades to a straw chopper rotor, the straw chopper rotor having mounts, each mount having a rotor mounting hole, each blade having a blade mounting hole, the mounting assembly comprising:
- a pin for insertion into he blade mounting hole and the rotor mounting hole;
- a locking element engages the pin and retains the pin in the blade mounting hole and the rotor mounting hole, the locking element having a trapping position and a loosening position;
- a spring maintaining the locking element in the trapping position so that the locking element cannot be removed from the pin, the spring tensions the pin axially, the locking element can be brought into the loosening position by moving the pin axially compressing the spring.
Dependencies are inferred from the claim text.