Patent ID: 9481078
Filing Date: 2016-11-01
CPC Classification: B25C

Claim Text:
1. A nailer for securing planks to a subfloor or other structure in tight places using fasteners, said nailer comprising: a main body defining a fastener discharge mouth; fastener ejection means operatively mounted in said nailer main body for accommodating passage of a fastener, the fastener having a head at one end and an opposite tip, said fastener ejection means opening outwardly of said nailer at said fastener discharge mouth; an elongated straight push rod, defining an inner end thereof operatively mounted to said fastener ejection means, and defining an outer end portion thereof for freely axially engaging the fastener head, said push rod movable between first and second limit positions, including an intermediate position between said first and second limit positions; wherein said push rod moves rectilinearly between said first and intermediate positions thereof but said push rod outer end portion tilts laterally away when moving in a non-rectilinear fashion between said intermediate and second limit positions thereof; and a plunger actuator nested in said main body and operatively connected to said inner end portion of said push rod, wherein said plunger actuator can be selectively activated for moving said push rod between its said first and second limit positions; wherein upon activation of said plunger actuator, said push rod will move along said fastener ejection means from said first limit position towards said second limit position to forcibly strike the fastener head, wherein between said intermediate position and said second limit position, the push rod outer end portion will be ejected out of said nailer through said fastener discharge mouth and into a subjacent workpiece; wherein said fastener ejection means consists of a fastener ejection channel made in said nailer main body, said fastener ejection channel being formed in between a pair of registering first and second guide plates spacedly mounted parallel to one another for accommodating therebetween passage of a fastener, said first guide plate defining a planar first intermediate section and a planar inner end portion having a lengthwise slider mounting means and an outer end portion defining an arcuate first flange crossing the plane of said first intermediate section, said second guide plate defining a planar second intermediate section having an outer end portion defining an arcuate second flange crossing the plane of said first main body away from said first guide plate and generally parallel to said first flange; said elongated straight push rod partially nested at an inner end thereof in said fastener ejection channel slider mounting means, said push rod movable along said fastener ejection channel between first and second limit positions; a lengthwise notch further extending along said second guide plate intermediate section and opening into said second flange and sized and shaped to accommodate transverse passage of said outer end portion of said push rod, wherein said push rod outer end portion tilts laterally away from said first guide plate when moving in said non-rectilinear fashion between said intermediate and second limit positions thereof; wherein upon activation of said plunger actuator, the push rod outer end portion will become laterally dynamically deflected by said first flange transversely of the plane of said first guide plate intermediate section and will move through said second guide plate notch and will bias the fastener to escape through said fastener discharge mouth to be ejected out of said nailer through said fastener discharge mouth and into a subjacent workpiece.