초록 ▼

A door lock has a first handle, a second handle, and a lock device disposed between the first handle and the second handle. The lock device has a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the disk, an annular dish, an annular spring, a ca

A door lock has a first handle, a second handle, and a lock device disposed between the first handle and the second handle. The lock device has a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the disk, an annular dish, an annular spring, a cage ring, and an annular cage seat disposed in the annular cover in order, a case disposed between the sleeve and the annular cage seat, a draft block inserted in the case, a core inserted in the first handle, a tube inserted in the second handle, a button inserted in a rear end of the tube, an extended rod extending from the button and inserted in the tube, a pipe inserted in the first handle, a collar inserted in the disk, a positioning plate inserted in the sleeve, a hollow cylinder device inserted in the pipe, a compression spring inserterd in the hollow cylinder device, and a block seat disposed in the draft block.

대표청구항 ▼

[ I claim:] [1.] A door lock comprises:a first handle, a second handle, and a lock device disposed between the first handle and the second handle,the lock device comprising a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the disk, an annular

[ I claim:] [1.] A door lock comprises:a first handle, a second handle, and a lock device disposed between the first handle and the second handle,the lock device comprising a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the disk, an annular disk, an annular spring, a cage ring, and an annular cage seat disposed in the anular cover in order, a case disposed between the sleeve and the annular cage seat, a draft block inserted in the case, a core inserted in the first handle, a tube inserted in the second handle, a button inserted in a rear end of the tube, an extended rod extending from the button and inserted in the tube, a pipe inserted in the first handle, a collar inserted in the disk, a positioning plate inserted in the sleeve, a hollow cylinder device inserted in the pipe, a compression spring inserted in the hollow cylinder device, and a block seat disposed in the draft block,the draft block having a U-shaped plate and two push plates defining a hollow interior,the block seat having two protuberances receiving two coiled springs,the tube having a channel, a cross-shaped groove receiving a first cage plate, and a distal lange inserted in the draft block,an elastic plate having a circular hole, an upper flange, and a lower flange,the hollow cylinder device having a drive block, an oblong hole, a center hole, a first end, a second end, a driven plate disposed on the first end, and two inner protrusions disposed in the second end,a tip end of the core inserted in the center hole,the pipe having a notch, a cross-shaped hole receiving a second cage plate, and a cage hole,the annular cage seat having two inner blocks,the cage ring having a column, an inner post and an outer post, with the cage ring being rotatable with the pipe by engagement of the inner post with the pipe, andthe upper flange passing through the oblong hole and the notch, with the outer post of the cage ring being blocked by one of the two inner blocks of the annular cage seat so that the door lock will not be damaged by being rotated too strongly.