CONTROL DEVICE FOR SHADES

摘要

A chain control device for inhibiting movement of chains used in window blinds, shades and the like for moving the blinds between operative positions. The chain control device is secured at a location remote from the shades' clutch/drive housing. The chain control device is characterized by redirecting tension forces applied by the user of the blinds away from the shade drive.

主权项

1. A control device for shades, comprising:
a housing containing at least one spring, with said housing being secured to a surface at a location remote from a shade drive assembly, said shade drive assembly for moving a shade in a first direction when the drive assembly rotates in a first direction and in a second direction when the drive assembly rotates in a second direction, with said shade being positioned by a chain operable with the drive assembly for rotating the drive assembly in one of the first direction or second direction, and with said chain having a stopper attached to the chain, wherein the stopper engages and compresses said at least one spring when a tension force is applied to the chain, and said stopper is prevented from passing through the housing so as to redirect forces applied through the chain away from the shade drive assembly and to said remote location.