Buckles – buttons – clasps – etc. – Plural fasteners having intermediate flaccid connector – Elastic connector
Patent
1992-08-26
1995-01-24
Brittain, James R.
Buckles, buttons, clasps, etc.
Plural fasteners having intermediate flaccid connector
Elastic connector
24136R, 24265H, F16G 1100
Patent
active
053832590
ABSTRACT:
An apparatus having a collet piece in a casing for attaching to a shock cord (or rubber or rubber composite cord or strap) anywhere along the length of the cord. The substantial change in width of a circular or flat shock cord as it is stretched is used to make the width of the cord narrow. When the cord is narrow it freely moves through a passage in the collet piece unit. When the cord is released to its fully relaxed width, the cord's width is wider than the greatest width of the passage through the collet piece and casing unit. The compression on the cord creates a frictional holding force between the collet piece, casing unit, and the shock cord. A tapered opening is provided in the casing so that when the cord is pulled in one direction while the casing is held, the frictional force causes the collet piece to slide along the tapered opening thereby reducing the width of the passage through the collet piece and casing unit to grip and hold the shock cord in the passage. The gripping width automatically follows the decreasing width of the shock cord as it is stretched with increasing force. The gripping force being limited by controlling the minimum width of the passage through the collet piece and casing according to the minimum width tolerable by the shock cord to be used.
Several embodiments are disclosed which provide options for the implementation of the invention.
A hook or other connecting device can be attached to or can be integral with the casing to secure an end or an intermediate point along a shock cord.
REFERENCES:
patent: 3751772 (1973-08-01), Grandjanny
patent: 4481697 (1984-11-01), Bachle
patent: 5015023 (1991-05-01), Hall
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