04327882 is referenced by 16 patents and cites 7 patents.

A dual spool retractor in which a manual lock up feature is provided in addition to an emergency locking device. A manually engageable member moves a pawl into lock position with the ratchet wheels of the spools. Such member is automatically disengaged upon unwinding of the lap belt retractor whereby the retractor is unlocked.

Title
Seat belt retractor with manual lock up
Application Number
6/161814
Publication Number
4327882
Application Date
June 23, 1980
Publication Date
May 4, 1982
Inventor
Robert L Stephenson
Utica
MI, US
John W Frankila
Sterling Heights
MI, US
Agent
Roger H Criss
Assignee
Allied Corporation
NJ, US
IPC
B65H 75/48
A62B 35/02
View Original Source