Folding chassis for push-chairs, baby carriages and the like
US9393982B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2205/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A folding chassis (1) for push-chairs, baby carriages and the like, comprising—a lower frame (2), which has at least one front post (2a) and at least one rear post (2b), which are connected in a lower region to respective wheel assemblies (3a, 3b);—at least one upper post (4), which supports grip means (4a) and can move with a combined rotary and translational motion with respect to the lower frame (2) during the transition of the chassis from an extended open condition to a collapsed closed condition;—at least one interconnection linkage (5), which is articulated rotatably to the upper post (4) and to the rear post (2b) about a first articulation axis (101) and a second articulation axis (102);—means (7) for kinematic interconnection between the upper post (4) and the lower frame (2);—the interconnection linkage (5) and the kinematic interconnection means (7) being adapted to determine the relative motion between the front post or posts, the rear post or posts and the upper post or posts (4) during the transition of the chassis (1) from the extended open condition to the collapsed closed condition and vice versa,—locking means (10) which can be activated, as a consequence of the t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.