Kabushiki Kaisha Toshiba

Toshiba Elevator Kabushiki Kaisha

Kazuaki Miyakoshi

Hiroshi Sano

Takashi Ishii

Ikuo Asami

Kan Kawasaki

Satoshi Takasawa

Kazuhiro Izumi

Masayuki Higashi

Shun Fujimura

Takanori Urata

Masahiro Kuramitsu

Shigeru Takaishi

Kosei Kamimura

Yasuyuki Wagatsuma

Shigeo Nakagaki

Kazuo Shimane

Masaru Tateyama

An elevator in which a driving apparatus, a traction sheave, and a counterweight-side rope hitching portion are arranged above one rail of the right and left cage-side guide rails, while a cage-side rope hitching portion and a speed governor are arranged above the other rail of the right and left cage-side guide rails. Since a control panel is arranged along a rear inner wall surface of the machine room, a large operation space can be secured in a center part of the floor of the machine room. Further, since a machine beam can be extended at full length in the back and forth direction in the machine room, no additional building-side receiving beam is needed.

Elevator with an operation space in a center of a machine room

In an elevator, a drive device, a traction sheave, and a weight-side stop portion are arranged above one of a pair of left and right cage-side guide rails, and a cage-side stop portion and speed governor are arranged above the other cage-side guide rail. A wide workspace is realized in the middle of the floor of the machinery chamber, since the control panel is arranged along the middle of the inside wall surface of the front face of the machinery chamber. Furthermore, provision of an additional supporting beam mounted in the building is unnecessary, since the machine beam can extend fully in the forwards/rearwards direction in the interior of the machinery chamber.

Elevator

An elevator installed in an elevator shaft has a cage, a counterweight, hoist cables suspending the cage and the counterweight, and a driving unit disposed outside a space in which the cage moves vertically in the elevator shaft, and provided with drive sheaves around which the hoist cables are wound to move the cage and the counterweight in the elevator shaft by the driving unit. The hoist cables are wound around the drive sheaves and sheaves supported on the cage and the counterweight in two-to-one roping arrangement such that the driving unit is at a level below the ceiling of the cage as located at its uppermost position. The cage-side sheaves are disposed at four positions on the lower portion of the cage respectively and symmetrically with respect to a center of gravity of the cage in a top plan view.

An elevator including a cage configured to ascend and descend in an elevator shaft, and at least one railing member disposed along at top edge of the cage and configured to be adjustable in height so that during performance of maintenance by a maintenance person, the railing is adjusted to be in an upright position, and is otherwise maintained in a position lower than a highest protruding object existing on the top of the cage.

Elevator with adjustable top edge railing members

An elevator including a cage configured to ascend and descend in an elevator shaft along a cage guide rail, a counterweight configured to ascend and descend in the elevator shaft along a counterweight guide rail, a cable configured to hang and connect the cage and the counterweight, a drive unit configured to drive the cage and the counterweight by providing motive power for the cable, and a cable hitch mounted on the cage guide rail or the counterweight guide rail and configured to secure one end of the cable.

Traction type elevator having cable hitches securing cable ends to guide rails

Growing community of inventors

Fuchu, Japan

Kazuaki Miyakoshi