Variable-speed passenger conveyer and handrail device thereof

Details Variable-speed passenger conveyer and handrail device thereof Variable-speed passenger conveyer and handrail device thereof

1998-06-19

2000-10-31

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By support means having a zone of varying speed

198792, B66B 2112

Patent

active

061388165

ABSTRACT:
A variable-speed passenger conveyer comprises: endless driving chains which disengage the pallets at an acceleration zone and high-speed zone; a screw shaft which has a pitch that changes step by step so as to accelerate or decelerate the palettes; high-speed driving chains which engage the palettes at the high-speed zone to transport the palettes at high speed; and a driving system. Also, a handrail device for a variable-speed passenger conveyer comprises: a running rail formed in a loop; a plurality of handrail pieces which move following the running rail; a standard guide rail formed in a loop; a side guide rail provided along the standard guide rail, of which the spacing with the standard guide rail changes within a plane at acceleration/deceleration zones; a plurality of links rotatably linking a respective shafts of the standard guide rollers and side guide rollers, the links make continuous V formations within a plane; and a driving chain provided with protrusions for engaging the engaging pieces of the handrail pieces so as to drive the handrail pieces.

REFERENCES:
patent: 3218986 (1965-11-01), Goedkoop
patent: 3601246 (1971-08-01), Dubois
patent: 3672484 (1972-06-01), Angioletti et al.
patent: 3709150 (1973-01-01), Colombot
patent: 3793961 (1974-02-01), Salvadorini
patent: 3834520 (1974-09-01), Patin
patent: 3842961 (1974-10-01), Burson
patent: 3903806 (1975-09-01), Ayres et al.
patent: 4240537 (1980-12-01), Dunstan
patent: 4732257 (1988-03-01), Mathis et al.

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