Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1998-09-02
1999-10-19
Smith, Scott A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227120, 227109, B25C 511
Patent
active
059673974
ABSTRACT:
The present invention is a fastener driving device for driving brads or staples into a workpiece. The device comprises a main body structure and magazine assembly for receiving a fastener package containing a plurality of fasteners connected together. The fasteners are staples or brads. The main body structure includes a drive track for receiving a lead fastener. A reciprocating driving structure moves through a fastener driving cycle including (1) a drive stroke and (2) a return stroke. The magazine assembly is constructed and arranged such that the lead fastener remains connected to the package until the driving structure engages the lead fastener and separates it during the drive stroke. The magazine assembly includes a movable interior fastener supporting structure and an exterior fastener guiding surface constructed and arranged to support a brad package. The interior fastener supporting structure is constructed and arranged to support a staple package when the device is being used to drive staples. The movable interior fastener supporting structure is configured to apply force in the direction of the exterior fastener guiding surface to provide tightened engagement of the brads in the brad package and thereby prevent undesired movement of the brad package in the driving direction in response to the driving structure engaging the lead brad during the driving stroke.
REFERENCES:
patent: 3739973 (1973-06-01), Abrams
patent: 3913817 (1975-10-01), Barrett et al.
patent: 4763824 (1988-08-01), Ebihara
patent: 5335839 (1994-08-01), Fealey
patent: 5497932 (1996-03-01), Brewer et al.
patent: 5664722 (1997-09-01), Marks
Smith Scott A.
The Stanley Works
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