Toshiba Elevator Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Yoshio Ogimura

Takayuki Kikuchi

Yoshinobu Ishikawa

Megumi Ookubo

Kazuhisa Hara

Hitoshi Kawamoto

Kenichi Fujii

Tadashi Munakata

Shin Murakami

Shigeo Nakagaki

Yoshifumi Ikeda

Nobuhiko Teshima

Nobuhiro Oku

Kazuhiko Nakao

Masaaki Hirai

Kenzo Tonoki

Taihei Koyama

Yasuhiro Matsumoto

Masato Yoshida

Tomohiko Matsuura

Kazuya Yuge

Koji Sugiura

A footstep guide rail () (rail body) is arranged so that a level H of a horizontal surface is set at the position obtained by adding a designated offset &#x3b4; to a tangential line L of a drive sprocket () and the footstep guide rail () is provided, at its one end on an introductory side of the drive sprocket (), with a curved part (). At a reference position closest to the drive sprocket (), the horizontal surface of the footstep guide rail () is changed to the curved part (). Consequently, it is possible to absorb velocity unevenness of one footstep roller approaching the drive sprocket ().

Conveyer apparatus

In a passenger conveyor according to the present invention, an inlet safety device, an operation device, an operation condition display device, and a passenger detecting device are all received in a end-deck cover at an end of a balustrade panel. Thus, the passenger conveyor is excellent in design because of a simple appearance of a platform and a vicinity thereof. Since an inclined surface of the end-deck cover on which a display part of the operation condition display device is disposed is inclined to face an upper side of a center part of the platform, an observability by a passenger of the display part of the operation condition display device can be exceedingly enhanced.

Passenger conveyor

A conveyor apparatus is provided that is free of a pulsing motion in the circulating chains so as to provide a comfortable ride quality on its steps. The conveyor apparatus includes a step guide rail, a plurality of steps, a step chain, and a chain driving mechanism for driving the step chain. The chain driving mechanism includes a rotating and driving unit, a driving sprocket which is rotated by a driving force given by the rotating and driving unit, and a circulating chain for giving a thrust to the step chain. The circulating chain has chain links and hinges that are to be connected to the adjacent chain links. The chain link includes a placing surface on which the step roller is placed, and pressing surfaces that are in contact with step rollers.

Conveyor apparatus

In order to suppress speed irregularity of step rollers () in a passenger conveyor, a bent section () is formed in a step guide rail () and a restraining member () is provided upstream thereof, the shape of the height of the bent section () and the restraining member () is corrected beforehand by the amount of the compression of resilient members of the step rollers (), which are formed with such resilient members around their shafts, by the compressive force acting between the bent section () and restraining member (). Thus generation of speed irregularity of the steps () is suppressed and passenger comfort is improved. Also, by providing a recess () in the step guide rail (), gripping of the step rollers () as they execute rolling movement along the undersurface of the restraining member () from below can be avoided, thereby preventing damage to the step rollers (), restraining member () and step guide rail ().

Conveyor device

A mountainous or valley-shaped curved partis provided in a part of a footstep guide railfor guiding a movement of footstep rollerslinked by a footstep chain, the part being positioned in the vicinity of a drive sprocket. Consequently, owing to meshing of the footstep rollerswith the drive sprocket, an unevenness in velocity of the footstep rollersis absorbed by the curved part, so that a moving velocity of the footstep rollersmoving on the downstream of the curved partis maintained constantly, suppressing vibrating of the footsteps

Conveyer apparatus having footsteps

A conveyor apparatus comprises step chains which couple a plurality of steps such that the steps, and driving units which drive the chains. Each of the driving units comprises a power unit comprising a motor, and a driving machine including pulleys and belts that reduce a rotation speed of the motor so as to meet a required reduction gear ratio and transfer the rotation speed to the chains, and a pair of right and left driving mechanisms that convert a rotary movement transferred from the machine of the power unit via an eccentric shaft into a movement of rocking units, and apply a propelling force to the chains via pin rollers provided at any one of sides of the rocking units and the chains and gears provided at the other side of the rocking units and the chains to engage with the rollers.

Portion of inlet for escalator

A plurality of stepsare connected to a pair of step chainswound around step chain sprockets. The step chain sprocketsdrives the step chainsto turn the step chainsthrough a forward path, a return path, and reversing areas at the opposite ends of the forward path and the return path. Front wheelsare supported on shafts attached to the opposite side surfaces of a front part of the stepand connected to the step chains, respectively. Rear wheelsare supported on a rear part of the step. Front wheel guide railssupporting and guiding the front wheelsand rear wheel guide railsfor supporting and guiding the rear wheelsguides the stepin the forward path. In the reversing area, in which the step is inverted, an auxiliary step guide means including auxiliary rollersand auxiliary roller guide railscontrols the position of the stepsuch that the rear wheels approach a connecting shaftsupporting the step chain sprockets. The depthwise dimension of a part, corresponding to the reversing unit, of a frame is small.

Passenger conveyor device

A conveyor apparatus according to the present invention comprises a tread guide rail which is provided on a structure , and a plurality to treads which moves along the tread guide rail . The plurality of treads are connected by a chain having pin rollers 5 . An eccentrically rotatable eccentric crank shaft is connected to a rotation drive unit . The eccentric crank shaft is connected to an oscillating body which oscillates in accordance with the eccentric rotation of the eccentric crank shaft . The oscillating body is provided with pin roller rolling teeth having a trochoid tooth profile for giving thrust to the pin rollers in accordance with the oscillation of the oscillating body

A passenger conveyer apparatus including a plurality of steps connected to each other in an endless loop, traveling on a forward path, a backward path and a pair of turning paths connecting between opposite ends of the forward path and the backward path. Each of the steps comprising a step tread and first and second guide rollers offset from each other in the traveling direction of the steps. The apparatus also includes a forward rail configured to guide the first and the second guide rollers in the forward path, a backward rail configured to guide the first and the second guide rollers in the backward path, and a pair of turning rails having a curving rail formed in an arc, configured to guide the second guide roller in the turning paths. At least one of the turning rails is formed in a manner such that a line segment drawn between an orbital center of a corresponding curving rail and a first center of the first guide roller makes an acute angle with a line segment drawn between the orbital center and a second center of the second guide roller, and a loci made by respective turning motions of front and rear edges of the step tread cross each other.

Passenger conveyer apparatus

A dual-purpose escalator for a wheelchair including a plurality of steps linked in an endless form and a main-frame having a running path for the steps. The steps include a plurality of specialized steps for loading a wheelchair. The escalator further includes an activating apparatus provided on the running path for causing the specialized steps to alter a configuration thereof to a first state for a wheelchair loading operation mode or to restore the configuration to a second state for normal operation mode. Each of the specialized steps includes a toothed rotor. The activating apparatus includes an engagement member for engaging with the toothed rotor. Each of the toothed rotors is rotated by engaging with the engagement member for causing one of the specialized steps to alter the configuration to the first state when the steps are running in the running path in the wheelchair loading operation mode, respectively. The engagement member includes a base and a plurality of pins set in parallel on the base at a specified pitch for engaging with the toothed rotor. The pin engaging firstly with the toothed rotor is set on the base so as to be capable of displacement from the toothed rotor.

Dual-purpose escalator for wheelchair

An escalator apparatus is comprised of a first specialized step, having a moveable tread which can rise and fall, and a second specialized step, which is adjacent to and above it and has a lift mechanism which can appear and disappear to support the moveable tread of the first specialized step. Both specialized steps are incorporated in a section of multiple steps which are arranged to run in an endless loop. When loading a wheeled conveyance, the lift mechanism projects and operates at a level section of an outward path, and runs on an inclined section while supporting the moveable tread at the same height as the second specialized step to guarantee an effective tread depth dimension for loading the wheeled conveyance. Furthermore, the construction provides guide means which tilts the moveable tread forward while it is being caused to rise to the same height as the second specialized step. Accordingly in the escalator apparatus, loading space for the wheeled conveyance can be easily guaranteed. In addition, there is no risk of the wheeled conveyance loaded on the escalator rolling down. As the escalator apparatus can transport the wheeled conveyance without pause, it can prevent a fall in the ability to transport wheeled conveyances and passengers.

Escalator apparatus

An escalator is arranged such that a first special step having a movable footplate capable of rising and falling is combined with a second special step adjacent to the upstream side of the first special step and having a projectable and retractable lift mechanism. The projectable and retractable lift mechanism supports the movable footplate of the first special step in part of a plurality of running steps provided endlessly in a line. When mounting a wheelchair, the movable footplate runs along the inclined path area with the movable footplate supported at the same height as the second special step by operating the lift mechanism in the horizontal path area of the travel path. The movable footplate ensures a rearward footplate dimension sufficient to carry the wheelchair. Accordingly, the wheelstops for the front wheels of the wheelchair are made to project, thereby better defining the wheelchair carrying position and improving the safety and shortening the time taken when mounting and transporting a wheelchair.

Growing community of inventors

Tokyo, Japan

Yoshio Ogimura