Device for use in emergency locking mechanism for webbing-type s

Details Device for use in emergency locking mechanism for webbing-type s Device for use in emergency locking mechanism for webbing-type s

1978-04-10

1979-07-31

Hornsby, Harvey C.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

041627733

ABSTRACT:
The belt or webbing is wound on a spool, which is rotatably mounted between the spaced legs or sides of a generally U-shaped casing, and which has a ratchet wheel secured to one end thereof. A pawl is pivotally mounted in supporting slots in one or more of the casing sides for pivotal movement into and out of a belt-locking position in which one edge of the pawl engages a tooth of the ratchet wheel to prevent further rotation of the spool in a belt unwinding direction. A leafspring, which is secured at one end to the pawl, passes over the head of a pendulum member which is suspended from the pawl, and has a free end confronting and normally spaced from the wheel teeth. When sudden changes in vehicle speed cause the pendulum to swing, its head moves the leafspring to engage the wheel teeth, which, when the belt is unwound, swing the leafspring in a direction which causes the supporting pawl to be pivoted to its belt-locking position.

REFERENCES:
patent: 3851837 (1974-12-01), Griffin
patent: 4029267 (1977-06-01), Slipper

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