Stapler

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8579173
APP PUB NO 20100133315A1
SERIAL NO

12519760

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Abstract

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A stapler (1) by which a workpiece (11), preferably a sheaf of papers, is stapled together with a staple, which stapler (5) comprises a stapling head (2) accommodating staples and a driver (6) and connected pivotably by a pivot pin (4) to a bottom part (3) which comprises a lower element (9) and an upper element (8) which are connected to one another in such a way that they can be moved towards and away from one another (P) and which in an initial state are held in a locking position at a distance from one another by a locking device (17), with forming means (14, 15) arranged between the upper and lower elements, which forming means, when the staple has been fully driven into the workpiece at its insertion area (26) by the driver, are activated to bend the staple legs towards the workpiece as a result of the upper and lower elements moving towards one another when the locking device is released by an activating means (22) which is part of the locking device (17) being acted upon by an unlocking means (7) disposed on the stapling head, the activating means (22) of the locking device (17) being situated at a greater distance in the longitudinal direction (L) of the stapler from the pivot pin (4) than the insertion area (26) of the staple.

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Patent Owner(s)

Patent OwnerAddress
ISABERG RAPID ABMETALLGATAN 5330 27 HESTRA

International Classification(s)

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  • 2007 Application Filing Year
  • B27F Class
  • 34 Applications Filed
  • 12 Patents Issued To-Date
  • 35.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20072008200920102011201220132014201520160255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elonsson, Martin Huskvarna, SE 10 87
Gustafsson, Trygve Åsenhöga, SE 5 39
Lönkvist, Torbjörn Skeppshult, SE 1 7

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Patent Citation Ranking

  • 6 Citation Count
  • B27F Class
  • 7.69 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges213721101 - 1011 - 2021 - 3031 - 4041 - 5001234567891011121314

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11.5 Year Payment $7400.00 $3700.00 $1850.00 May 12, 2025