Buckles – buttons – clasps – etc. – Strap tighteners – Strap-attached folding lever
Reexamination Certificate
2011-08-23
2011-08-23
Lavinder, Jack W. (Department: 3677)
Buckles, buttons, clasps, etc.
Strap tighteners
Strap-attached folding lever
C063S005100, C224S176000, C368S282000
Reexamination Certificate
active
08001657
ABSTRACT:
The present invention discloses a safety device for a bracelet including a system for adjusting the circumferential length of the bracelet. This system comprises;first and second curvilinear elongated elements, each having a slot and a plurality of notches;a clasp comprising a third curvilinear elongated element having a set of grooves, wherein the grooves receive one of the first or second elongated elements for slidably gliding the elements relative to one another, and a fourth curvilinear elongated element;a button slidably secured in each slot of said first and second curvilinear elongated elements to slidably secure said first and second curvilinear elongated elements together;a set of stop reliefs are provided within said grooves for limiting the sliding motion of the first and second curvilinear elongated elements.The third and fourth curvilinear elongated elements are engaged with one another after the safety device is adjusted to a desired position in order to lock the device in that desired position.
REFERENCES:
patent: 1985835 (1934-12-01), Prestinari
patent: 2555196 (1951-05-01), Kostka
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