Ski-lift seat return device
AssigneeRolic Invest S.Ar.L.
InventorsOtto Pabst, Christian Bacher
Life of this patent
Estimating the term…
Abstract
A ski-lift seat return device having a supporting structure; a reel mounted to rotate about an axis with respect to the supporting structure; a cable wound about the reel; a spring mechanism for opposing unwinding of the cable, and for rewinding the cable unwound off the reel; and a contactless magnetic brake connected to the reel and the supporting structure to adjust the brake torque as a function of the rotation speed of the reel; and wherein the magnetic brake has a first wall integral with and preferably defining part of the supporting structure; and a second wall connected movably to the reel and moved towards the first wall by the rotation speed of the reel; the first and second wall being coupled magnetically to each other.
Claims18
A ski-lift seat return comprising:
- a supporting structure;
- a reel mounted to rotate about a first axis with respect to the supporting structure;
- a cable wound about the reel;
- a spring mechanism configured to:
- (i) oppose an unwinding of the cable and (ii) cause a rewinding the cable;
- and
- a contactless magnetic brake connected to the reel and the supporting structure, said contactless magnetic brake configured to adjust the brake torque as a function of the rotation speed of the reel, the magnetic brake including:
- a first wall connected to said supporting structure,
- a second wall movably connected to the reel, said second wall configured to move towards the first wall as the rotation speed of the reel increases, wherein the first wall and the second wall are magnetically coupled to each other, and
- a first stop configured to limit movement of the second wall and to prevent contact between the first wall and the second wall.
A ski-lift seat return comprising:
- a supporting structure;
- a reel mounted to rotate about a first axis with respect to the supporting structure;
- a cable wound about the reel;
- and
- a contactless magnetic brake connected to the reel and the supporting structure, said contactless magnetic brake configured to adjust the brake torque as a function of the rotation speed of the reel, the magnetic brake including:
- a first wall connected to said supporting structure,
- a second wall magnetically coupled to the first wall and movably connected to the reel, said second wall configured to move towards the first wall as the rotation speed of the reel increases, and
- a first stop configured to limit movement of the second wall and to prevent contact between the first wall and the second wall.
Dependencies are inferred from the claim text.