Abstract: A detection device, a conveyor and an associated method are provided. The detection device includes: an attaching member for fixating the detection device to the conveyor; an axle coupled to the attaching member; a roller rotatably disposed around the axle and abutting against a pedal of the conveyor and being actuated by the pedal in response to a movement of the pedal along a first direction; and a sensor for detecting an operating state of the conveyor by detecting the operating state of the roller.

Abstract: A comb plate-comb plate carrier assembly for an escalator is disposed on an upper and lower head and mounted to the truss of the escalator. A comb plate and a pair of comb plate carriers for carrying the comb plate are included. The assembly is provided with at least one of: a guide rail bracket fastened to the comb plate carrier and used to fix a guide rail for the handrail belt; a supporting bracket fastened to the comb plate carrier and used to support an end of a handrail return-sheave curve fastened to the truss; a comb plate height adjuster; a monitoring device for monitoring the horizontal displacement and upward displacement of the comb plate. A combination structure includes a lifting tool and the assembly in an assembled condition, the lifting tool includes a traverse rod and a longitudinal suspending member.

Abstract: A comb plate-comb plate carrier assembly for an escalator is disposed on an upper and lower head and mounted to the truss of the escalator. A comb plate and a pair of comb plate carriers for carrying the comb plate are included. The assembly is provided with at least one of: a guide rail bracket fastened to the comb plate carrier and used to fix a guide rail for the handrail belt; a supporting bracket fastened to the comb plate carrier and used to support an end of a handrail return-sheave curve fastened to the truss; a comb plate height adjuster; a monitoring device for monitoring the horizontal displacement and upward displacement of the comb plate. A combination structure includes a lifting tool and the assembly in an assembled condition, the lifting tool includes a traverse rod and a longitudinal suspending member.