Patent ID: 8254128

Claim:
A heat-transfer mechanism which transfers heat of a heat-generating component mounted on a board to a housing, comprising: a heat-transfer plate including: a bottom face portion which has contact with the heat-generating component; a first heat-transfer portion which is screwed near one end portion of the housing; and a second heat-transfer portion which is screwed near the other end portion of the housing, wherein the housing includes a case and a lid disposed on the case, and a first supporting portion to which the first heat-transfer portion is screwed, the first supporting portion is cantilevered from the housing, the first supporting portion includes a first section and a second section, a width of the second section is wider than a width of the first section, the width of the first section and the width of the second section extend in a direction transverse to a thickness direction of the first supporting portion, the lid of the housing has a second supporting portion to which the second heat-transfer portion is screwed, the second supporting portion is cantilevered from the housing, and an outer edge of the second supporting portion is defined by a first cutout through the lid.