Sectional door with roller shield apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6540003
SERIAL NO

09786946

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sectional door (2) is disclosed that includes a safety system. The safety system includes a shield apparatus (12), an improved support track (6), reverse angle track shields (80), and hemmed roller track edges (38) to prevent injury or harm to body parts errantly placed within or around the support track (6) during the opening or closing of the sectional door (2). The sectional door (2) includes a plurality of door sections (8) hingedly joined in an edge-to-edge relationship to form the completed sectional door (2). The sectional door (2) further includes support rollers (10) attached to the door sections (8), and a pair of support tracks (6), in which the support rollers (10) are confined. Each support roller (10) further includes a circular or rectangular roller shield (12) that is mounted to the axle (26) of the support roller (10) outside of the support track (6) where it is proximate the support track (6) in such a manner as to limit or prevent any fingers from engaging within the support track (6) with the support roller (10). The dimensions of the protective shield (12) are larger than the support rollers (10) so as to provide transport guidance within the support track (6) where track sections meet. The reverse angle track shields (80) are constructed of a solid metal piece so as to prevent objects from passing between the support track (6) and a mounting surface, with the outside edge being folded into a single hem (138) or covered with a protective material (140). The adjacent edge of the support track (6) is formed into a folded hem (38), either outwardly or inwardly, to prevent fingers from being cut.

First Claim

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Patent Owner(s)

Patent OwnerAddress
MARTIN DOOR MANUFACTURING INC2828 SOUTH 900 WEST SALT LAKE CITY UT 84119

International Classification(s)

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  • 2001 Application Filing Year
  • E05D Class
  • 240 Applications Filed
  • 70 Patents Issued To-Date
  • 29.17 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200120022003200420052006200720080255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Martin, David O Salt Lake City, UT 21 403

Cited Art Landscape

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Patent Citation Ranking

  • 15 Citation Count
  • E05D Class
  • 56.76 % this patent is cited more than
  • 22 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges459289531201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9005101520253035404550556065

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