Elevator car drive and support belt having a twisted...

Details Elevator car drive and support belt having a twisted... Elevator car drive and support belt having a twisted...

2006-05-09

2006-05-09

Matecki, Kathy (Department: 3654)

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

C187S254000, C187S260000, C474S062000, C474S205000, C474S260000, C474S263000, C474S265000, C074S089200, C074S490040, C242S540000, C198S790000, C198S835000, C198S844100

Reexamination Certificate

active

07040456

ABSTRACT:
An elevator system includes a roller arrangement and a belt for supporting an elevator car. The roller arrangement has two rollers with approximately parallel axes of rotation and structured circumferential surfaces engaging a complementary structured surface of the belt. The structured surfaces have alternating ribs and grooves. The belt is twisted about its longitudinal axis between the two rollers to keep the structured surfaces in contact and forms an under-looping for support of the elevator car.

REFERENCES:
patent: 2522148 (1950-09-01), Traxler
patent: 3083583 (1963-04-01), Reinhold
patent: 3365966 (1968-01-01), Heyer
patent: 3911755 (1975-10-01), Vance, Sr.
patent: 4449958 (1984-05-01), Conrad
patent: 5191920 (1993-03-01), McGregor
patent: 5429211 (1995-07-01), Aulanko et al.
patent: 2003/0121729 (2003-07-01), Heinz et al.
patent: 1 353 087 (2003-10-01), None
patent: 1 396 458 (2004-03-01), None
patent: WO 2002053486 (2002-07-01), None
patent: WO 03/043922 (2003-05-01), None
patent: WO 2003043922 (2003-05-01), None

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