Buckles – buttons – clasps – etc. – Strap tighteners – Accordion straps
Patent
1983-02-07
1985-01-15
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Strap tighteners
Accordion straps
24 68CD, 24 69CT, 24 71T, 24499, 292247, E05C 1914
Patent
active
044931336
ABSTRACT:
Locking means for truck platform flaps (6) comprises a base plate (1), a handle (2) pivotably journalled in the base plate, a substantially U-shaped locking yoke (3) which is connected to the handle and pivotable in relation thereto on an axis substantially parallel to the pivot axis of the handle and which in its locking position is adapted to engage a hook (11) for holding the flap, and at least one spring (24) which actuates the handle and the locking yoke and whose one end is secured to the base plate (1). To make one and the same spring fulfill three essential functions, viz. ensuring resilient appliance of the locking yoke (3), rotation of the handle in the direction towards the base plate (1) at locked as well as unlocked (when the handle has an opening angle which is not substantially more than about 50.degree.) flap locking means, and maintenance of the handle in locking position as well as in its fully open position, the other end of the spring (24) is secured in the handle (2 ) or in an appurtenant member (22) rigidly connected thereto at a point (25) which is so located, that the spring on one hand strives to rotate the handle in the direction towards its locking position when the handle is turned out from the base plate and is positioned on one side of a dead center position, and on the other hand strives to rotate the handle in the direction towards its open position when the handle is turned out from the base plate and is positioned on the other side of said dead center position. (FIG. 7)
REFERENCES:
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patent: 2635910 (1953-04-01), Celeste
patent: 2704218 (1955-03-01), Claud-Mantle
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patent: 3297348 (1967-01-01), Griffiths et al.
patent: 3534992 (1970-10-01), Swanson
patent: 4218081 (1980-08-01), Johnson
patent: 4428608 (1984-01-01), Cooke et al.
Huskvarna Transtortkonstruktionar A.B.
Sakran Victor N.
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