Patent ID: 9327937
Filing Date: 2016-05-03
CPC Classification: B65H

Claim Text:
1. A system for braking rotational movement, the system comprising: a spinning spool having rotational movement around an axis of said spinning spool; a friction surface disposed on said spinning spool; a friction plate opposed to said friction surface, such that when said spinning spool rotates said friction plate is in contact with said friction surface; a backplate; a rod extending from said backplate through said friction plate, having at least a threaded portion, and said at least a portion of said rod being received within said spool such that said spinning spool rotates about said rod and moves linearly along said threaded portion towards said friction plate; a compressive member disposed between said friction plate and said backplate, whereby a force is gradually applied to said friction plate which increases with rotation of said spinning spool, gradually braking said rotational movement of said spinning spool; and an anti-rotation member extending from said backplate and engaging said friction plate such that said friction plate can move linearly parallel to a major axis of said rod but not rotate.