|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||173/119 ; 173/124|
|발명자 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 0|
A self-contained hand tool for driving fence posts into the earth and operable by an automobile battery, or the like. The tool comprises a sleeve member for receiving one end of the post therein, reciprocal hammer means disposed within the sleeve and intermittently engagable with the post, power means, cam means, drive means operably connected between the power means and the cam means for rotation thereof, extension strap means carried by the hammer means and engagable by the cam means during rotation thereof for moving the hammer means in one direction,...
A fence post driving tool comprising sleeve means having one end thereof open for receiving one end of a fence post therein, hammer means slidably disposed in said sleeve means and movable through the opposite end thereof, yieldable means secured between the sleeve means and the hammer means for constantly urging the hammer means in one direction with respect to the sleeve means, cam means journalled in the proximity of one end of the hammer means and intermittently engagable therewith for moving the hammer means in a direction against the force of the y...