Buckles – buttons – clasps – etc. – Zipper or required component thereof – Interlocking surface constructed from plural elements in series
Patent
1995-06-28
1996-04-30
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Interlocking surface constructed from plural elements in series
24403, 24433, A44B 1900
Patent
active
055112927
ABSTRACT:
The invention relates to a zipper closure comprising a first and second row of teeth formed on a first and second band, each band comprising an edge bead or web, said teeth having free ends, each of which with a channel formed therein, when said zipper closure being closed said free ends of said first row of teeth extending into an area of attachment of said teeth of said second row of teeth and vice versa, whereby said channels receive said edge beads or webs, the zipper closure further comprising a slider with a top cover plate and a bottom cover plate connected by a cross-piece, said slider having a wider front end and a narrower back end, said cross-piece having a front end directed towards said wider front end of said slider and a back end directed towards said narrower back end of said slider. According to a first aspect of the invention said cross-piece is comprising a tapered projection extending beyond said back end of said cross-piece and directed towards said narrower back end of said slider, whereby on opening of the zipper closure said projection engages in said channels of said teeth and an outwardly directed force is exerted onto said teeth. According to a second aspect of the invention said front end of said cross-piece directed towards said wider front end of said slider is converging to an edge.
REFERENCES:
patent: 2495033 (1950-01-01), Sullivan
patent: 2644995 (1953-07-01), Morin
patent: 3825978 (1974-07-01), Sakalys
patent: 4441235 (1984-04-01), Kusayama
Covi Christian
Steinlechner Werner
D. Swarovski & Co.
Sakran Victor N.
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