Title:
VACUUM ACTUATED CONTROL MECHANISM
Document Type and Number:
WIPO Patent Application WO1999048351
Kind Code:
A3
Abstract:
A riding lawn mower is provided that has an engine (14), a device (30) that requires control and a vacuum actuated control mechanism (40) for controlling the device (30). The vacuum actuated control mechanism (40) includes a vacuum actuator (150) having first (155) and second (156) chambers separated by a movable membrane (154), first connecting means (70) for operatively connecting the vacuum actuator (150) to the device (30), vacuum means (90) for providing a vacuum to the vacuum actuator (150), activating means (100) for selectively activating the vacuum actuator (150) and securing means (121, 122) for securing the vacuum actuator (150) in place. The securing means (121, 122) also secures the device (30) in place.
Inventors:
SCHAEDLER AXEL (US)
ROBERTSON JOHN (US)
ROBERTSON JOHN (US)
Application Number:
PCT/IB1998/002156
Publication Date:
April 13, 2000
Filing Date:
December 17, 1998
Export Citation:
Assignee:
SCHAEDLER AXEL (US)
ROBERTSON JOHN (US)
ROBERTSON JOHN (US)
International Classes:
A01D34/64; A01D34/69; A01D34/74; A01D43/063; B62D5/06; B62D5/083; B62D5/16; A01D34/63; (IPC1-7): A01D34/68; A01D34/74; B62D5/06; B62D5/083; B62D5/16
Foreign References:
| US5636444A | 1997-06-10 | |||
| EP0870949A1 | 1998-10-14 | |||
| US4928458A | 1990-05-29 | |||
| FR2765625A1 | 1999-01-08 | |||
| US5950408A | 1999-09-14 | |||
| US5353578A | 1994-10-11 | |||
| US5351467A | 1994-10-04 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 008, no. 276 (M - 346) 18 December 1984 (1984-12-18)
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