Patent ID: 8616592
Filing Date: 2013-12-31
Classification: E05B,E05C,Y10T

Abstract:
1. A latch device comprising: a latch configured to be disposed in a door to engage with an engagement portion of a housing when the door closes; a handle storage case which is configured to be mounted in the door, the door including an opening in the front surface of the door; a handle in the handle storage case, the handle being configured to be accessible through the opening in the door, the handle having a plurality of projections on an outer periphery thereof and being capable of being inclined in all radial directions around a center of the handle, the handle having at least one elongated surface, the elongated surface configured to move between a substantially vertically-oriented rest position in which the latch engages with the engagement portion of the housing and a working position where the handle is inclined from the vertically-oriented rest position in any one of all the radial directions around the center of the handle to disengage the latch from the engagement portion of the housing; an operating plate, one end of the operating plate being pivotally mounted in the handle storage case, the operating plate having an opening in which the handle fits; an urging unit disposed in the handle storage case and urging the handle and the operating plate toward the vertically-oriented rest positions; and a latch shaft configured to be mounted pivotally to the door to rotate with the latch, the latch shaft having an arm and connecting the operating plate with the latch, the handle being pulled through the opening of the handle storage case manually and thus inclined in any one of all the radial directions around the center of the handle from the vertically-oriented rest position to the working position, so that any one of the plurality of projections of the handle turns the operating plate to push the arm of the latch shaft forward and to rotate the latch shaft with the latch to release the latch from the engagement portion of the housing, so that the door opens.