| 摘要 |
A door lock includes a handle, a lever seat having a lever, a cam for camming the lever, a handle orienting unit, a transmission shaft connected to the handle and the cam, and a latch operable by the lever. The lever seat has an annular flange and two opposite lugs. The cam has a tubular stud extending into the annular flange. The tubular stud has a bifurcated end formed with two slits. The handle orienting unit has a torsion spring and a cap having a base wall and a peripheral side wall which has two notched edges. The torsion spring has two end sections abutting respectively against one of the notched edges and one of the lugs. The base wall has an inner edge having two tongues that engage respectively the slits of the bifurcated end.
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