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US 6,443,266 B1Granted
Traction type elevator
AssigneeKabushiki Kaisha Toshiba
InventorsShin Murakami, Yasuyuki Wagatsuma, Tadashi Shudo
Life of this patent
Estimating the term…
Abstract
An elevator including a cage configured to move up and down in a shaft along a guide rail, a plurality of car sheaves installed at a bottom of the cage, a cable placed around the car sheaves and configured to suspend the cage, a hoisting machine having a traction sheave configured to drive the cable, a base extending in a width direction of the cage and configured to support the car sheaves, and a first elastic member disposed between the cage and the base so as to attenuate vibration transferred to the cage.
Claims9
An elevator comprising:
- a cage for accommodating passengers and having a front and rear defining a depth direction between the front and the rear, opposed sides defining a width direction between the opposed sides, and a bottom and a top defining a vertical direction between the bottom and the top;
- a first support plate extending in the width direction of said cage, and attached to a lower portion of said cage;
- a second support plate coupled to a bottom portion of the first support plate;
- a base extending in the width direction of said cage and supported by the second support plate;
- a plurality of car sheaves installed at the base;
- a cable placed around said car sheaves and configured to suspend said cage;
- a hoisting machine having a traction sheave configured to drive said cable;
- a plurality of lower guides attached to the second support plate and configured to move up and down in a shaft along a guide rail with the plurality of guides in engagement with the guide rail;
- a top support beam secured to the upper portion of said cage;
- a plurality of upper guides attached to the top support beam and configured to move up and down in a shaft along a guide rail with the plurality of guides in engagement with the guide rail;
- and
- a first elastic member lying between said first and second support plates.
9 more elements
An elevator comprising:
- a cage for accommodating passengers and having a front and rear defining a depth direction between the front and the rear, opposed sides defining a width direction between the opposed sides, and a bottom and a top defining a vertical direction between the bottom and the top;
- a support plate extending in the width direction of said cage, and attached to a lower portion of said cage;
- a base extending in the width direction of said cage and supported by the support plate;
- a plurality of car sheaves installed at the base;
- a cable placed around said car sheaves and configured to suspend said cage;
- a hoisting machine having a traction sheave configured to drive said cable;
- a plurality of lower guides attached to the support plate and configured to move up and down in a shaft along a guide rail with the plurality of guides in engagement with the guide rail;
- a top support beam secured to the upper portion of said cage;
- a plurality of upper guides attached to the top support beam and configured to move up and down in a shaft along a guide rail with the plurality of guides in engagement with the guide rail;
- and
- a first elastic member lying between said support plate and the base;
- wherein said first elastic member comprises a rubber plate having a side pressed between said support plate and said base and arranged at an angle with respect to the horizontal plane.
9 more elements
Dependencies are inferred from the claim text.