A fastener driving device for use in driving a fastener into an elongated contoured portion of a workpiece is disclosed. The elongated contoured portion has a surface that is contoured perpendicular to a longitudinal direction of the elongated contoured portion. The device includes a contact arm tha
A fastener driving device for use in driving a fastener into an elongated contoured portion of a workpiece is disclosed. The elongated contoured portion has a surface that is contoured perpendicular to a longitudinal direction of the elongated contoured portion. The device includes a contact arm that is operatively connected with the trigger assembly, and a contoured contact foot for engaging the workpiece. The contact arm is constructed and arranged to move relative to a housing assembly of the driving device when the contact foot is pressed against the workpiece. The contact foot has a contoured engaging surface that includes a recess that is shaped to generally complement the shape of the contoured surface of the workpiece.
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What is claimed is: 1. A fastener driving device for use in driving a fastener into a target location on an elongated contoured portion of a workpiece, wherein the elongated contoured portion has a surface that is contoured in a direction perpendicular to a longitudinal direction of the elongated c
What is claimed is: 1. A fastener driving device for use in driving a fastener into a target location on an elongated contoured portion of a workpiece, wherein the elongated contoured portion has a surface that is contoured in a direction perpendicular to a longitudinal direction of the elongated contoured portion, the fastener driving device comprising: a housing assembly having a fastener drive track defined therein; a fastener driver reciprocally mounted for movement within said drive track along a drive axis; a power operated system constructed and arranged to be actuated so as to move the fastener driver through successive operative cycles, each cycle comprising a drive stroke wherein a fastener in said drive track is driven into a workpiece, and a return stroke; and an actuating mechanism comprising a contact trip assembly and a trigger assembly constructed and arranged to actuate said power operated system in response to a predetermined cooperative movement between said contact trip assembly and said trigger assembly, wherein said contact trip assembly comprises a contact arm operatively connected with said trigger assembly and having a contoured contact foot for engaging the workpiece, said contact arm being constructed and arranged to move relative to the housing assembly when said contoured contact foot is pressed against said workpiece, said contoured contact foot having a contoured, gently curved convex engaging surface shaped to generally complement the shape of the contoured surface of the workpiece such that when the contoured contact foot is pressed against the contoured surface of the workpiece, the engagement between the gently curved convex engaging surface and the workpiece (1) generally locates the contoured contact foot relative to the workpiece in the direction perpendicular to the longitudinal direction, and (2) allows the contoured contact foot to rotate about a pivot axis that is substantially parallel to the longitudinal direction, the pivot axis being spaced apart from the gently curved convex engaging surface; and wherein said gently curved convex engaging surface is aligned with the drive axis in a direction parallel to said longitudinal direction. 2. A fastener driving device according to claim 1, wherein said contoured contact foot is integral with said contact arm. 3. A fastener driving device according to claim 1, wherein said contoured contact foot is removably connected to said contact arm so that said contoured contact foot may be removed from the contact arm. 4. A fastener driving device according to claim 1, wherein the pivot axis of the contoured contact foot intersects the drive axis of the drive track. 5. A fastener driving device according to claim 1, wherein said contoured contact foot further comprises alignment markers that assist with aligning said drive track to the target location on said contoured surface of said workpiece, said alignment markers being substantially parallel to the drive axis. 6. A fastener driving device according to claim 1, wherein said contoured contact foot further comprises a second gently curved convex engaging surface, and said first and second convex engaging surfaces are disposed on opposite sides of an opening in said contoured contact foot through which the fastener is driven. 7. A fastener driving device according to claim 1, wherein the engagement between the complementary contoured surfaces inhibits slippage of the contoured contact foot relative to the workpiece in a direction along the longitudinal direction only as a function of friction between the contoured surfaces, as there is no form-locking relationship between the contoured surfaces in the longitudinal direction. 8. A fastener driving device according to claim 1, wherein the power operated system is pneumatic. 9. A fastener driving device according to claim 1, wherein the gently curved convex engaging surface is defined by a constant radius that extends between the pivot axis and the gently curved convex engaging surface. 10. A contoured contact foot for a fastener driving device for use in driving a fastener into a target location on an elongated contoured portion of a workpiece, wherein the elongated contoured portion has a surface that is contoured in a direction perpendicular to a longitudinal direction of the elongated contoured portion, said contoured contact foot being constructed and arranged to be connected to a contact trip arm of the fastener driving device, said contoured contact foot having a contoured, gently curved convex engaging surface that is shaped to generally complement the shape of the contoured surface of a workpiece, the gently curved convex engaging surface being shaped such that when the contoured contact foot is pressed against the contoured surface of the workpiece, the engagement between the gently curved convex engaging surface and the workpiece (1) gently locates the contoured contact foot relative to the workpiece in the direction perpendicular to the longitudinal direction, and (2) allows the contoured contact foot to rotate about a pivot axis substantially parallel to the longitudinal direction the pivot axis being spaced apart from the gently curved convex engaging surface, wherein the gently curved convex engaging surface is aligned with a drive axis of the fastener driving device when contoured contact foot is connected to the contact trip arm. 11. A contoured contact foot according to claim 10, wherein the pivot axis intersects the drive axis when the contoured contact foot is connected to the contact trip arm. 12. A contoured contact foot according to claim 10, further comprising alignment markers that assist with aligning the drive track of the fastener driving device to the target location on said contoured surface of said workpiece when the contoured contact foot is connected to the contact trip arm, said alignment markers being substantially parallel with the drive track. 13. A contoured contact foot according to claim 10, further comprising a second gently curved convex engaging surface, and said first and second engaging surfaces are disposed on opposite sides of an opening in said contoured contact foot through which the fastener is driven. 14. A contoured contact foot according to claim 10, wherein the gently curved convex engaging surface is defined by a constant radius that extends between the pivot axis and the gently curved convex engaging surface.
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