Two-position latch system
US6056359A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1997 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Sep 26, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/606
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A power boat helmsman's station chair having a two-section seat bottom articulated by a pivotal hinge framework so that the front section of the seat can be folded up from its normal position as a horizontal extension of the rear section of the seat bottom to a position raised and disposed over the rear section. Port and starboard hinge subassemblies include a L-shape angle corner bracket that is fastened to both the bottom and the side boards of the rear seat section framework, thereby reinforcing the same, and that pivotally carries one end of an associated hinge arm fastened at its other end to the framework of the seat bottom front section. A one piece plastic member of generally inverted V-shaped configuration has one arm fixed to the upright flange of the comer bracket with the other arm disposed for spring latching, camming engagement with a cam follower edge surface of the pivot end of the hinge arm. The mobile arm of the spring latch member is cam profile configured and oriented to yieldably hold the hinge arm in the upright position of the seat front section and its spring stabilizing force can be overcome by pulling forwardly on the upright seat bottom front section with…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.