BRAKE FOR A CORDLESS BLIND

摘要

A window covering (20) including a head rail (22), a bottom rail (24), a window convering material extending between the head rail and bottom rail, a first and second lift cords (34,36) extending between the head rail (22) and the bottom rail (24), a spring motor (30) configured to bias the bottom rail (24) toward the head rail (22), mounted in the bottom rail (24), and operatively coupled to the first and second lift cords (34,36), and a brake (28) mounted in the bottom rail (24) and configured to releasably couple to the first lift cord (36) to prohibit the spring motor (30) from taking up the first cord (36), prohibiting the bottom rail (24) from being raised or lowered.