Patent ID: 7081911

Claim:
A thermal-transfer printer comprising: a main body frame; a platen roller that conveys a sheet; a thermal head that thermally transfers ink from an ink sheet onto the sheet and disposed where opposes to the platen roller; a pair of head supporting members each including a boss portion and disposed to be pivotable around a predetermined fulcrum, the pair of head supporting members being provided to support the thermal head; and a pressing member that pivots the pair of head supporting members to a side of the platen roller by respectively pressing the boss portion of the pair of head supporting members with driving force provided by a drive gear, the pressing member including: a first pressing arm and a second pressing arm that respectively press the pair of head supporting members, at least one of the first and the second pressing arms having a gear engaging portion to which the drive gear is engaged; and a connecting member connecting the first pressing arm and the second pressing arm and including a first bending portion and a second bending portion formed by bending both end portions of the connecting member in a L-lettered shape, the first bending portion and the second bending portion each having: a supporting shaft portion fitted to the main body frame for pivotably supporting the first pressing arm and the second pressing arm; and a recess portion in which the first bending portion and the second bending portion are respectively fitted, wherein the first pressing arm further includes: a first notch portion provided at a vicinity of the recess portion at which a front end portion of the first bending portion is disposed, the first notch portion that enables to fit the first bending portion to the recess portion from a direction intersecting with a center line of pivoting the first pressing arm: and a drawout preventing portion that prevents the first bending portion from being detached from the first notch portion, and wherein the second pressing arm further includes a second notch portion provided at a vicinity of the recess portion at which a base end portion of the second bending portion is disposed, the second notch portion that enables to fit the second bending portion to the recess portion from a direction intersecting with a center line of pivoting the second pressing arm and the direction opposes to the direction of fitting the first bending portion, the second notch portion being provided at a position where abuts to a portion at which the base end portion of the second bending portion is disposed.