DOOR OPENING AND CLOSING MECHANISM

Japanese Patent JP3647385

B2

PROBLEM TO BE SOLVED: To provide a door opening and closing mechanism, capable of surely holding a closing state and, at the same time, lightening control force of the opening and closing of a door.
SOLUTION: The door opening and closing mechanism is constituted of a first locking position taken up when the door 2 is closed; a second locking position taken up by slidably moving, when the door 2 is opened and a cam mechanism for pivoting the door 2, with the cam mechanism is constituted of a hinge pin 23 having a pedestal section 23a and used as a pivot of the door when the door 2 is opened; a guide pin 25 set nearer to the central side of an opening section than the hinge pin 23; a hinge groove 9 for the hinge cam to take up the first and second locking positions by guiding the hinge pin 23 to lock both ends, a guide groove 11 for guiding the guide pin 25 from the first locking position to the second locking position; a rib 19 set along the hinge pin 23 and a coaxial circular arc; a cylindrical surface 10d slidingly brought into contact with the rib 19 at the second locking position; and at the same time, a boss 10, having an uneven step section 10b falling from the pedestal section 23a at the first locking position.

Takashi Yoshikawa
Hiroshi Yoshimura

JP2001108384A

May 11, 2005

April 06, 2001

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Sharp Corporation

E05D7/081; E05F1/06; F25D23/02; (IPC1-7): E05D7/081; E05F1/06; F25D23/02

JP58148380A
JP59045482U
JP7301484A
JP2052082U
JP6024390B2
JP9303942A

Shizuo Sano

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