Title:
SEAT BELT RETRACTOR
Document Type and Number:
Japanese Patent JPS63159157
Kind Code:
A
Abstract:
A seat belt retractor comprises a spool which is rotatable in seat belt winding and unwinding directions. An inertia member is rotatable with the spool at spool accelerations below a predetermined level and rotatable relative to the spool at spool accelerations above the predetermined level. The spool is blocked against from rotation in the unwinding direction in response to relative rotation of the inertia member and the spool. The inertia member is restrained from rotation to effect rotation relative to the spool by an electromagnet having opposite poles extending adjacent the inertia member. The electromagnet is energized to create a magnetic field extending through the poles to cause the poles to be attracted against the inertia member to restrain rotation of the inertia member.
Inventors:
ROBAATO JIEI RANPU
Application Number:
JP31309887A
Publication Date:
July 02, 1988
Filing Date:
December 10, 1987
Export Citation:
Assignee:
RAMSEY CORP
International Classes:
B60R22/38; B60R22/343; (IPC1-7): B60R22/38
Domestic Patent References:
| JPS50106335A | 1975-08-21 | |||
| JP54073616B |
Attorney, Agent or Firm:
Kyozo Yuasa (4 outside)