Anti-fall device for e.g. sectional garage door, has support piece placed outside lateral rail and carried by shaft that supports one of guiding rollers, where brake track of rail is formed by free longitudinal edge of rail

摘要

#CMT# #/CMT# The device has a support piece (31) tiltably mounted around an axis (8a) of a shaft (8) carried by door leaf. The support piece carries a steel braking piece (32). The support and braking pieces are placed in inactive ideal position, in which the braking piece is far from a brake track of a lateral rail, or in active braking position, in which the braking piece is in contact with the brake track. The support piece is placed outside the lateral rail and carried by the shaft that supports one of guiding rollers (6). The brake track is formed by a free longitudinal edge of the rail. #CMT#USE : #/CMT# Anti-fall device for a garage door (claimed) e.g. sectional or non sectional garage door. #CMT#ADVANTAGE : #/CMT# The anti-fall device prevents or limits descending of the door leaf when cables of the door does not exert their function, the cables are broken or a door leaf driving mechanism associated to the cables is defective. The braking piece is far from the brake track of the lateral rail, when the support and braking pieces are placed in inactive ideal position, thus ensuring efficient braking even when the braking piece and brake track are rough. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of pieces of an anti-fall device in assembled position. 6 : Guiding rollers 8 : Shaft 8a : Shaft axis 31 : Support piece 32 : Braking piece.