Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1974-05-20
1976-05-25
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
B65H 7548
Patent
active
039587738
ABSTRACT:
The improved locking pawl mounting is for use in an emergency locking safety belt retractor mechanism wherein a locking pawl is pivotally mounted between a pair of spaced retractor frame sidewalls in position to engage a ratchet wheel locking member provided on the retractor wheel upon being pivoted by emergency responsive means associated with the retractor. The locking pawl mounting comprises a pair of circular bearing surfaces in the retractor frame in axially spaced relation. A pair of circular journal members, each being of a low coefficient friction material, are mounted to the locking pawl and are journaled in the bearing surfaces. Tab means are provided at each end of the locking pawl, and an aperture extends into each of the journal members for mating with the tabs so that rotation of the locking pawl causes corresponding rotation of the journal members. The locking pawl mounting further includes an axial thrust plate mounted on each of the journal members which extends between the frame sidewalls and the locking pawl to prevent axial displacement of the locking pawl relative to the frame sidewalls and to maintain a constant spaced relation therebetween. The axial thrust plate and the journal members are integral and rotate together so that the axial thrust plate pivots with rotation of the locking pawl. A slot is provided at each end of the locking pawl adjacent the sidewall for receiving the axial thrust plate therein.
REFERENCES:
patent: 3740000 (1973-06-01), Takada
patent: 3831878 (1974-08-01), Griffin
patent: 3841581 (1974-10-01), Salamon
patent: 3847365 (1974-11-01), Carol
American Safety Equipment Corporation
Christian Leonard D.
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