Traction-type elevator

Details Traction-type elevator Traction-type elevator

1994-08-15

1996-07-09

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

187260, B66B 1108

Patent

active

055335950

ABSTRACT:
In a traction-type elevator equipped with a driving sheave (16) positioned at the top of the shaft for ascent and descent (1), cage sheaves (4, 5) are attached to the upper section of the cage (2) and are inclined in relation to this driving sheave (16), and multiple ropes (12, 13, 14) are wound around the outer surface (4a) of this cage sheave and the outer surface (16a) of the above-mentioned driving sheave; the traction-type elevator is characterized in that along with making the outer surface (4a) of the above-mentioned cage sheave (4) parallel to the outer surface (16a) of the driving sheave (16), this cage sheave (4) is divided into multiple sheave pieces (17, 18, 19) according to the abovementioned ropes (12, 13, 14). The ropes (12, 13, 14) are pulled by the driving sheave (16), and even if the cage (2) is caused to move upwardly or downwardly at a high speed, there is essentially no more generation of vibration and noise, because none of the abovementioned ropes (12, 13, 14) twists undesirably.

REFERENCES:
patent: 772074 (1904-10-01), Wellman
patent: 3101130 (1963-08-01), Bianca
patent: 5076398 (1991-12-01), Heikkinen

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