Patent ID: 8027156
Filing Date: 2011-09-27
Classification: G06F,H04M,Y10T

Abstract:
1. A keyboard, comprising: a keyboard unit configured in the shape of a rectangle and including a first surface and a second surface, the first surface including at least one key disposed thereon, the second surface including at least one protrusion portion that protrudes from the second surface, the protrusion portion including an engagement hole open toward a first direction that corresponds to a longitudinal direction of the keyboard unit; and a casing including a third surface on which the keyboard unit is configured to mount, the third surface including at least one insertion hole into which the protrusion portion is configured to be inserted, the casing including at least one engagement protrusion provided at a position configured to oppose the engagement hole of the protrusion portion that is inserted into the insertion hole, the engagement protrusion engaging with the engagement hole of the inserted protrusion portion, in a direction opposite the first direction, when the keyboard unit is moved in the first direction, such that the engagement protrusion enters the engagement hole from a direction opposite the first direction, wherein the engagement hole is a through-hole extending in the first direction.