Title:
DUAL-PIVOT STEERING SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO2003078231
Kind Code:
A3
Abstract:
A system for guided travel over a surface between parallel guide rails includes a first frame including at least one rotatable element for travel over the surface; a first pin connected to the first frame, for rotation of the first frame thereon; a second frame including at least one rotatable element for travel over the surface; a second pin connected to the second frame, for rotation of the second frame thereon; and a base connected to the first pin and the second pin. The first frame and the second frame each include guide wheels for tracking along the respective guide rails and between them. The base can provide transit for people or products.
Inventors:
BARNARD RALPH DI
Application Number:
PCT/US2003/007554
Publication Date:
June 17, 2004
Filing Date:
March 13, 2003
Export Citation:
Assignee:
MANCHENO BELINDA HF (US)
International Classes:
B61D1/00; B61F9/00; B62D1/26; B62D; (IPC1-7): B61F9/00
Foreign References:
| US4287830A | 1981-09-08 | |||
| US3812789A | 1974-05-28 | |||
| US3796165A | 1974-03-12 | |||
| US4183304A | 1980-01-15 | |||
| US4275660A | 1981-06-30 | |||
| US0655465A | 1900-08-07 | |||
| US4794866A | 1989-01-03 | |||
| US4267779A | 1981-05-19 | |||
| US4265180A | 1981-05-05 |
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