Free-falling, self-locking adjustable tip assembly

Land vehicles – Wheeled – Attachment

Patent

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Details

24171, 280806, 297476, A62B 3500

Patent

active

045882070

ABSTRACT:
An improved tip assembly which includes a tongue plate insertable into a buckle is provided for a safety belt apparatus in which a continuous retractable belt length provides both a lap portion and a shoulder portion. The tip assembly through which the belt passes has a snubber slide engaged with the tongue plate and slidable relative thereto. When the belt is drawn by the passenger over his body, the belt shifts the snubber slide rearward on the tongue plate to where the belt is firmly gripped at normal loads between a surface of the tongue plate and a surface of the snubber slide, whereby that portion of the belt which extends across the passenger's lap cannot expand. At heavy deceleration loads, e.g. 150 lbs on the lap belt, a portion of the snubber slide deflects to decrease the gripping action to allow transfer of belt from the shoulder belt into the lap belt. When the belt is retracted so that a run of the belt is substantially vertical, the weight of the tip assembly causes its front end to tip downward causing the slide to fall forward along the tongue plate releasing its grip on the belt, whereby the tip assembly freely falls to a lower position along the vertical belt run.

REFERENCES:
patent: 3913977 (1975-10-01), Takada
patent: 3941419 (1976-03-01), Blom
patent: 4211432 (1980-07-01), Furukawa et al.
patent: 4219236 (1980-08-01), Takada
patent: 4315637 (1982-02-01), Frantom

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