Emergency locking reel for belts
US4526328A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 1983 |
| Grant date | Jul 2, 1985 |
| Priority date | — |
| Expiry date | Apr 19, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/401
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An emergency locking reel for a safety belt and being of the kind having a frame which is securable to a support, a spool rotatably mounted on that frame, and locking means operable to prevent rotation of that spool in a belt unwinding direction. The locking means comprises a toothed ring secured to the frame and a pawl rotatable with the spool and movable relative thereto to engage the ring. According to the invention, an inertia plate is provided separate from the pawl and is mounted on the spool spindle for limited relative rotation. A ratchet wheel is connected to the pawl for rotation therewith and carries a detent which responds to relative rotation between the wheel and inertia plate to stop rotation of the wheel and thereby cause the pawl to engage the ring. A spring resists that relative rotation between the wheel and inertia plate. The housing for the locking means is symmetrical about a plane which contains the spindle axis and a sensor responsive to vehicle deceleration is also located on that plane. The sensor is securable to the housing in any of a plurality of positions without disturbing the aforementioned symmetry. Furthermore, each tooth of the locking ring is sym…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.