Patent ID: 6758070
Filing Date: 2004-07-06
Classification: E05B,Y10T

Abstract:
A door lock with a clutch having a cam-styled axle sleeve comprising:an outer lock part including: a housing and an externally connected handle, said housing is provided therein with a rotation axle and a control device, said control device includes a motor, a gear, an abutting block and an electric circuit device, one end of said rotation axle is connected with and linked-up by said handle, while the other end of said rotation axle is telescopically connected thereover with a spring and said cam-styled axle sleeve which is provided with a central axle hole extending therethrough, said cam-styled axle sleeve is linked-up with said rotation axle when in rotating, an engaging edge is provided externally of said cam-styled axle sleeve which is a gradually beveled surface, so that said abutting block engages said cam-styled axle sleeve along said gradually beveled surface of said engaging edge for positioning said cam-styled axle sleeve, said electric circuit device receives electronic signals to control rotation of said motor to move said gear and to control raising and lowering of said abutting block, so that said cam-styled axle sleeve is controlled to be forwardly and rearwardly movable; an inner lock part including: a housing and an externally connected handle, said housing is provided therein with a linkage and a rotation axle linking up with each other, wherein one end of said rotation axle is connected with and linked-up by said handle, while the other end of said rotation axle is engaged with a second rotation axle being engaged with said cam-styled axle sleeve of said outer lock part when in forward moving and thereby is linked-up with said cam-styled axle sleeve; when connecting said outer lock part and said inner lock part with a door panel, said outer lock part is mounted on the outside surface of said door panel, while said inner lock part is mounted on the inside surface of said door panel in opposition to said outer lock part; while said door panel is mounted therein with a dead bolt and a spring loaded with latch bolt, said dead bolt is connected and linked up with said linkage, said spring loaded with latch bolt is connected and linked up with said second rotation axle, thereby when said handle of said inner lock part is rotated, stretching from and retracting into said door panel of said dead bolt and latch bolt are controlled for opening and locking said door lock; when said cam-styled axle sleeve of said outer lock part is connected with said second rotation axle of said inner lock part, said door panel is adapted to being opened or locked with said handle of said outer lock part.