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Door stop device

  • US 9,567,787 B2
  • Filed: 10/01/2012
  • Issued: 02/14/2017
  • Est. Priority Date: 10/11/2011
  • Status: Expired due to Fees
First Claim
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1. A door stop device, comprising:

  • a blocking mechanism (2); and

    a guiding arm (1),one of said blocking mechanism and guiding arm being fastened to the opening part of the door,the other of said blocking mechanism and guiding arm being fastened to the frame of the door,said blocking mechanism (2) comprising at least one braking element (24) pressed against at least one braking roller (21) which is kept in contact with said guiding arm (1),an axle (22) of said braking roller (21) being allowed to move relatively to the body of said blocking mechanism (2) within specified limits, in a direction globally parallel to said guiding arm (1),said blocking mechanism (2) also comprising elastic means (26) defined to bring said braking roller (21) and said braking element (24), back in compression against each other, wherein,said braking element (24) is pressed against said braking roller (21), and is mounted on said blocking mechanism (2) and allowed to move in a direction globally perpendicular to said guiding arm (1);

    a mobile interface unit (25) mounted on said blocking mechanism (2) and allowed to move in a direction globally perpendicular to said guiding arm (1), comprises bearing means constituted by inclined ramps having plural different slopes, which cooperate with said axle (22) of said braking roller (21) in order to transfer to said axle (22) the forces generated by the elastic means (26), when said axle (22) is moving along the said inclined ramps having the plural different slopes;

    said braking element (24) is displaced by movement of said mobile interface unit (25) by means of a mechanical link allowing said braking element (24) to follow the movement of said mobile interface unit (25), during the displacement of said mobile interface unit (25);

    said braking element (24) is also subjected to the load of elastic means, which are intended to bring said braking element (24) back in the locked position, in contact with said braking roller (21).

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