Wind-resistant sweep lock

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6478347
SERIAL NO

09567926

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ATTORNEY / AGENT: (SPONSORED)

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Patent Longevity
    Expired
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Abstract

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A sweep lock locking the check rails of an upper and lower sash improves window resistance to negative wind force. The lock accomplishes this by a cam with a locking rim that extends both upward and downward to engage cam receiver projections above and below the locking rim to lock along two vertically separated locking lines, which tends to resist sash tilting from vertical as sash are deformed in response to negative wind force. Preferred embodiments of a cam lock and mounting hub include a two-piece hub that snaps together within a rotational opening of the cam lock to form a subassembly ready for mounting.

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Patent Owner(s)

Patent OwnerAddress
CALDWELL MANUFACTURING COMPANY NORTH AMERICA LLC2605 MANITOU ROAD ROCHESTER NY 14624

International Classification(s)

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  • 2000 Application Filing Year
  • E05C Class
  • 209 Applications Filed
  • 65 Patents Issued To-Date
  • 31.11 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2000200120022003200420050255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Timothy, E Erik Macedon, NY 34 453

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Patent Citation Ranking

  • 8 Citation Count
  • E05C Class
  • 3.91 % this patent is cited more than
  • 23 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges710750112201 - 1011 - 2021 - 3031 - 4041 - 5005101520253035404550556065707580859095100105110115

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