Title:
DRIVE FOR SLIDING DOORS OR SWINGING-SLIDING DOORS
Document Type and Number:
WIPO Patent Application WO/2019/136507
Kind Code:
A1
Abstract:
The invention relates to a spindle drive for driving sliding doors or swinging-sliding doors, in particular for rail vehicles for passenger transport, said drive comprising a spindle and spindle nuts, wherein the spindle nuts are connected to door leaves (11, 12). In order to reduce the installation width, according to the invention the spindle is designed as a cross spindle (1), two half-shell-shaped spindle nuts (2, 3) are designed to work in opposite directions and are provided so as to be movable over the entire length of the cross spindle (1), and each of the spindle nuts (2, 3) are guided in a rotationally fixed manner on nut guides (8) extending parallel to the longitudinal axis of the cross spindle (1). In one embodiment, a dead centre position or a position above dead centre is provided which is automatically reached by levers (4) with rollers (6) and roller guides (9, 9.1) in the closing end region by means of the spindle nuts (2, 3).
Inventors:
JAROLIM REINHOLD (AT)
Application Number:
PCT/AT2019/060012
Publication Date:
July 18, 2019
Filing Date:
January 14, 2019
Export Citation:
Assignee:
KNORR BREMSE GMBH (AT)
International Classes:
B61D19/00; B61D19/02; F16H25/20; H02K7/06
Foreign References:
| DE69711780T2 | 2002-11-21 | |||
| DE202005007984U1 | 2006-10-05 |
Attorney, Agent or Firm:
PATENTANWÄLTE BARGER, PISO & PARTNER (AT)
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