Fastener system with fastener extension and driving tool
AssigneeInter-Join Pty/Ltd.
InventorTomo Zvonko BERTOVIC
Life of this patent
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Abstract
A fastener includes a shank having a first attachment device for attachment to a first workpiece and a head having a second attachment device for attachment to a second workpiece. The fastener can be a screw and the first attachment device includes a thread formation on the shank. The head includes a drive formation at a central portion thereof, in the form of a Phillips head screwdriver recess. The second attachment device in the head includes attachment members integrally formed in the head, being three prongs which extend in a generally opposite direction to the shank.
Claims17
A fastener comprising:
- a shank having a first attachment means to a first workpiece;
- a head having a second attachment means to a second workpiece;
- and
- a depth measuring means indicating depth of insertion of at least one of the group consisting of the first attachment means and distance of the head from the first workpiece in use.
The fastener of claim 10 wherein each prong is adapted to substantially curl and/or skew into the second workpiece as the second workpiece is forced against the second attachment means.
A fastener system, comprising:
- a fastener having a fastener head;
- and
- a fastener extension comprising:
- a body having a central aperture through which the fastener can extend through, the aperture being shaped for receiving the fastener head in a tight fit therewith, and
- an attachment means formed in the body and extending opposite to the fastener in use.
Dependencies are inferred from the claim text.