|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||227/146 ; 173/119 ; 227/130 ; 227/132|
|발명자 / 주소|
|인용정보||피인용 횟수 : 65 인용 특허 : 4|
A portable electric fastener driving apparatus includes a unique fastener driving element operatively connected to the piston of an air spring which is charged to provide energy for driving fasteners. The air spring is charged by a unique jacking and release system including a drive gear selectively engaging a rack on the driving element to move the piston and compress the air spring. Motive power for the jacking apparatus is provided by a motor, preferably remote from the driver apparatus and connected thereto by a flexible drive cable. Control apparatu...
A fastener driving apparatus comprising a fastener gun having, a fastener driving element, an air spring means including a drive piston operatively connected to said driving element, means to move said piston to charge said air spring means, and to release said piston, when said air spring means is charged, to drive said driving element for driving a fastener, and, said piston moving means including a drive gear mounted for reciprocal motion toward and into engagement with said driving element for moving said driving element to charge said air spring mea...