Patent ID: 11955615
Assignee: MAKITA CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  G  Y | IPC H

Claim 18:
19. The battery-powered portable tool according to claim 17, further comprising:
a heat-dissipating member; and
a bimetal or bimetal strip;
wherein the bimetal or bimetal strip has the property of changing its shape between a first configuration and a second configuration in accordance with temperature, and
the bimetal or bimetal strip is configured such that:
the heat-dissipation-required component and the heat-dissipating member are in a noncontacting state in the first layout due to the temperature being equal to or lower than the first boundary temperature, and
the heat-dissipation-required component and the heat-dissipating member are brought into contact in the second layout due to the temperature being equal to or higher than the second boundary temperature.