E - Fixed Constructions – 01 – H
Patent
E - Fixed Constructions
01
H
94/1
E01H 4/02 (2006.01) A01B 33/08 (2006.01)
Patent
CA 1284738
ABSTRACT OF THE DISCLOSURE The flexible tiller has a center and two end sections, each including a cutter bar, frame, apron and grooming bar. The two tiller end sections are connected flexibly to the ends of the center section by frame to frame hinges and by cutter to cutter universal joints, so that the end sections can ro- tate freely about the hinges. The tiller center section is secured to the towing mechanism to oscillate about a central horizontal axis in the direction of travel. The oscillating center section and the two pivotally attached end sections cooperate to enable the tiller to closely conform to and thoroughly groom rolling snow paths without reducing them to flat ones. The rolling paths are enjoyable to ski, and are slower and safer. A controllable hydraulic ram is mounted to act across each hinge, so that the operator may select the degree of bending permitted at each hinge, and may hydraulically lock it into selected position, if desired.
553295
Gowling Lafleur Henderson Llp
Logan Manufacturing Company
LandOfFree
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