Emergency locking retractor

Details Emergency locking retractor Emergency locking retractor

1979-07-09

1981-07-28

Peters, Jr., Joseph F.

Motor vehicles

With belt or harness for restraining occupant, and means...

2421074A, 280806, 297477, 297478, A62B 3500

Patent

active

042805848

ABSTRACT:
An emergency locking retractor comprises a lock member capable of assuming a position in which it engages an engaging portion integral with a webbing take-up shaft to lock the rotation of the shaft in webbing draw-out direction and a position in which it does not engage the engaging portion. A speed change sensing member is adapted, when it senses a greater speed change of a vehicle than a predetermined value, to shift from a first condition to a second condition and thereby move the lock member to the engaging position. The retractor also includes a switch-actuated electrical system for moving the lock member independently of the sensing member.

REFERENCES:
patent: 2705529 (1955-04-01), Bull et al.
patent: 3740000 (1973-06-01), Takada
patent: 3807522 (1974-04-01), Becker
patent: 3825205 (1974-07-01), Takada
patent: 3952966 (1976-04-01), Burleigh

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