Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1977-07-07
1979-09-11
Hornsby, Harvey C.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074B, A62B 3502, B65H 7548
Patent
active
041672542
ABSTRACT:
A locking device for seat belts intended for vehicles of the type in which a strap being a part of the seat belt is automatically drawn into and wound up on a rotatable coiling shaft when the seat belt is not used, to temporarily lock the shaft. The device comprises a ratchet means non-rotatably arranged on the shaft; a locking means fixedly mounted in relation to the shaft; at least one locking body accommodated in the locking means and arranged for displacement from a neutral position to a locking position in which the locking body engages with the ratchet means for preventing rotation of the shaft; and a rotatably mounted guiding means. The guiding means is provided with a guiding surface for the locking body and is coupled to the shaft at the beginning of the locking operation to be turned by the shaft on its rotation due to withdrawal of strap from a normal position to a locking position and thereby to move the locking body to the locking position.
REFERENCES:
patent: 3770225 (1973-11-01), Boblitz
patent: 3797603 (1974-03-01), Loomba
patent: 3819126 (1974-06-01), Stoffel
patent: 3937416 (1976-02-01), Henderson
patent: 3991953 (1976-11-01), Takada
patent: 4059242 (1977-11-01), Tanaka
Larsson Roland A.
Paitula Hannu O.
Granges Essem Aktiebolag
Hornsby Harvey C.
Jillions John M.
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