A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
242/43.5
A62B 35/02 (1980.01)
Patent
CA 1045606
ABSTRACT An inertia locking retractor for a safety seat belt on a reel includes means biasing the reel to retract the belt and is provided with an inertia means operable as a result of a high belt acceleration in the belt extending direction, as may occur at the time of an accident, to cause a pawl means to move into operable blocking relationship with a ratchet means to prevent further turning of the reel in the belt extending direction. Preferably, the retractor is also operable to place the belt in a tensionless state about the seated occupant by manipulating the belt and thereby the inertia means to cause the belt to be held and thereby relieved of the tension of the reel biasing means. Also, in the preferred retractor, the belt may be extended to accommodate slow movement of the occupant but locks readily with high acceleration of the belt as at the time of an accident. The pawl means and the ratchet means are timed and structurally re- lated to the inertia means so that the pawls cannot strike the tops of the ratchet teeth and shear them. When the belt is ini- tially being extended at a high acceleration from a fully wound condition on the belt reel, a hold-out means prevents operation of the inertia operated locking means.
238532
Bryll Medard Z.
LandOfFree
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