Cylinder lock and door
AssigneeLIXIL Corporation
InventorsFuminori Akiyama, Takashi Mitsuhashi
Life of this patent
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Abstract
Provided is a cylinder lock which allows for a reduction in the diameter of an outer cylinder, and has good assembly workability. A cylinder lock comprising an outer cylinder, an inner cylinder that is rotatably fit with the outer cylinder, and a lid member that covers the outer cylinder, wherein the outer cylinder and the inner cylinder have a pin hole communicating with a keyhole and through which a driver pin and a tumbler pin can be inserted, and the lid member is a plurality of lid members that cover a plurality of rows of pin holes in the axial direction of the outer cylinder. It is preferable to provide two lid members configured by a spring steel material.
Claims9
A cylinder lock comprising:
- an outer cylinder;
- an inner cylinder that rotatably engages with the outer cylinder;
- and
- a cover material that covers the outer cylinder, wherein
- the outer cylinder and the inner cylinder include pinholes, with which a keyhole communicates, and into which a driver pin and a tumbler pin can be inserted,
- the cover material comprises a plurality of cover materials that cover the pinholes formed in the outer cylinder in an axial direction of the outer cylinder,
- the outer cylinder includes a groove formed along the axial direction,
- a plurality of the pinholes are arranged along a circumferential direction of the outer cylinder, and
- the cover material is urged toward a centerline of the keyhole to thereby engage with the groove, and completely covers, in a collective manner, the plurality of the pinholes arranged along the circumferential direction.
Dependencies are inferred from the claim text.