Combustion-type power tool having switch protection arrangement
AssigneeHitachi Koki Co., Ltd.
InventorsHaruhisa Fujisawa, Yoshitaka Akiba
Life of this patent
Estimating the term…
Abstract
A main switch section is accommodated in a trigger. The trigger provided on the handle through a spring. The handle is formed with a recess to which one end of the spring is seated, so that the trigger is normally urged toward the lower side of the combustion-type nail driver. A switch accommodating portion is provided in the lower side of the canister housing. A push switch is stored in the switch accommodating portion. The push switch is a commodity type micro-switch covered with a switch protection member made from an elastic material such as a rubber
Claims9
A combustion-type power tool comprising:
- a housing having one end and another end;
- a handle provided on the housing;
- a cylinder head disposed at the one end of the housing;
- a cylinder disposed in and fixed to the housing, the cylinder defining an axial direction, the cylinder having one end positioned at the one end side of the housing and another end positioned at the another end side of the housing;
- a piston slidably disposed in the cylinder and reciprocally movable in the axial direction;
- a combustion chamber frame disposed in the housing and movable in the axial direction, the combustion chamber frame being abuttable on the cylinder head to provide a combustion chamber in cooperation with the cylinder head and the piston;
- an elastic member provided on one of the housing and the handle;
- and
- a switch provided on one of the housing and the handle through the elastic member, the switch having one end portion facing to the one end side of the housing, the elastic member covering the one end portion.
A combustion-type power tool comprising:
- a housing having one end and another end;
- a cylinder head disposed at the one end of the housing;
- a cylinder disposed in and fixed to the housing, the cylinder defining an axial direction, the cylinder having one end positioned at the one end side of the housing and another end positioned at the another end side of the housing;
- a piston slidably disposed in the cylinder and reciprocally movable in the axial direction;
- a combustion chamber frame disposed in the housing and movable in the axial direction, the combustion chamber frame being abuttable on the cylinder head to provide a combustion chamber in cooperation with the cylinder head and the piston;
- an resilient member attached to the handle;
- and
- a trigger provided on the handle through the resilient member.
Dependencies are inferred from the claim text.