| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sufficient degree of opening, and excellent design quality by applying the constitution that a hinge is not an obstruction for the storage or takeout of articles in and from a furniture body with a door 90 degrees opened. SOLUTION: One end of each of the first and the second arms 3 and 4 is rotatably engaged with one end of the first hinge member, and one end of the fourth arm 6 is rotatably engaged with the upper and lower parts of the other end of the first arm 3. In addition, one end of the third arm 5 is inserted in and rotatably engaged with the first grooves of the other ends of the first and the second arms 3 and 4. Also, the other end of the third arm 5 is inserted in and rotatably engaged with the second groove at one end of the fifth arm. A cam 17 is provided at the end of the upper and lower parts of the fourth arm 6 and the other end of the fifth arm is rotatably connected to one end of the second hinge member 13 fixed to a door 10. The second hinge member 13 is formed to have an approximately W-shaped cam groove at upper and lower parts for engagement with a cam 17 fitted the upper and lower parts of the fourth arm 6, and each member is combined so as to engage the cam 17 with the cam groove 22.</p> |
