Title:
MOVING STAIRWAY OR SIDEWALK CLEANING DEVICE
Document Type and Number:
WIPO Patent Application WO2001072196
Kind Code:
A3
Abstract:
The invention relates to a cleaning device that is characterized by the following features: the cleaning device comprises a cleaning head (7) with a revolving broom system (7) with glide and/or roller means; the cleaning device, in addition to its cleaning head (7), comprises an off-set support leg (13); the cleaning device is further provided with a gripper, guide, steering and/or control device (3) that comes to rest above the support (16) of the support leg (13); and/or the cleaning head can be swiveled by 180 DEG with respect to its operative position and/or the cleaning device is further provided with a strip-shaped broom device (41) that has the function of a sealing strip for a suction strip (23).
Inventors:
HEFTER CHRISTIAN (DE)
HEFTER LEONHARD (DE)
LEIKERMOSER DIETER (DE)
HEFTER LEONHARD (DE)
LEIKERMOSER DIETER (DE)
Application Number:
PCT/EP2001/003612
Publication Date:
April 11, 2002
Filing Date:
March 29, 2001
Export Citation:
Assignee:
GEORG HEFTER MASCHB (DE)
HEFTER CHRISTIAN (DE)
HEFTER LEONHARD (DE)
LEIKERMOSER DIETER (DE)
HEFTER CHRISTIAN (DE)
HEFTER LEONHARD (DE)
LEIKERMOSER DIETER (DE)
International Classes:
A47L5/30; A47L9/00; A47L11/20; A47L11/282; A47L11/40; A47L11/204; B66B31/00; (IPC1-7): A47L9/00; A47L5/30; A47L11/40; A47L11/20; A47L11/282
Foreign References:
| US1862941A | 1932-06-14 | |||
| US4156952A | 1979-06-05 | |||
| EP0061826A1 | 1982-10-06 | |||
| EP0062425A1 | 1982-10-13 | |||
| DE4212733A1 | 1993-10-21 | |||
| US4577364A | 1986-03-25 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31)
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 05 14 September 2000 (2000-09-14)
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 05 14 September 2000 (2000-09-14)
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