| 摘要 |
Aid for handicapped persons.The locking system is characterised in that:The additional elements are constituted by half nuts (70, 71) shaped in such as way as to provide in their cooperation position a tenon (92) and mortice type assembly inside an approximately horizontal plane,One of the two half nuts delimits in the tenon (92) an open housing with an axis perpendicular to the assembly plane and into which projects a guiding chute opening towards the front,And the other half nut bears an elastic return thrustor (78) traversing the mortice along a direction perpendicular to the assembly plane and forming a body (79) able to be engaged in the housing and a neck (82) to fully traverse the corridor.Application for stand-up wheelchairs. |
