The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2019
Filed:
Jun. 27, 2014
Hitachi Koki Co., Ltd., Tokyo, JP;
Isamu Tanji, Hitachinaka, JP;
Koki Holdings Co., Ltd., Tokyo, JP;
Abstract
A nail driving machine capable of reducing vibrations is provided. A nail driving machine that strikes a nail to be driven into a workpiece W includes a driver blade that is provided to be capable of moving along an axis and moves in a first direction to strike the nail, a weight that when the driver blade strikes the nail, moves in a second direction reverse to the first direction, and a coil spring that is compressed along the axis to generate a repulsive force before the driver blade strikes the nail and causes the driver blade to move in the first direction to strike the nail due to the repulsive force and causes the weight to move in the second direction due to the repulsive force.