Screw gun
AssigneeDavicorp Inc.
InventorsWilliam Goodhue, David Daw, David Mathieu
Life of this patent
Estimating the term…
Abstract
The invention relates to a screw gun including a driving unit fitted with a slidable cartridge holder adapted for receiving and indexing a separate cartridge containing a plurality of screws. The invention further relates to the replaceable cartridge containing the plurality of screws for use in a screw gun. The invention allows for the loading and insertion of a plurality of screws from a cartridge without requiring a worker to handle and insert the individual screws into the driver.
Claims68
A screw gun for driving a fastening means comprising:
- a driving unit having a driver and a guide post connected thereto,
- a camming means located on said guide post,
- a cartridge holder slidably affixed to said guide post and constructed to receive a cartridge containing a plurality of fastening means.
A screw gun having a cartridge holder and a rotatable cartridge for insertion therein said cartridge comprising a housing having a plurality of chambers for releasably holding a fastening means and having means for indexing said cartridge in said cartridge holder.
A screw gun having a cartridge holder for supporting and indexing a cartridge containing a plurality of chambers for fastening means, said cartridge holder having:
- a pocket adapted for supporting said cartridge,
- a passage for receiving a driver of said screw gun, and
- means for aligning a chamber of said cartridge with said driver passage.
A cartridge for a screw gun comprising a rotatable housing having a plurality of chambers for releasably holding a fastening means and having means for indexing the cartridge in a cartridge holder.
A method of loading a fastening means into a driver of a screw gun having a cartridge holder, said method comprising the steps of:
- inserting a cartridge having a plurality of chambers with fastening means therein into the cartridge holder slidably attached to said screw gun, and
- aligning a first chamber of said cartridge with said driver through an interaction between an indexing means of said cartridge holder with an indexing means of said cartridge, and
- pumping said cartridge holder, thereby loading a fastening means from said first chamber into said driver.
A method of inserting a fastening means into a work piece from a screw gun, said method comprising the steps of:
- inserting a cartridge containing a plurality of fastening means into a cartridge holder of said screw gun;
- automatically aligning a chamber of said cartridge with a driver of said screw gun;
- inserting a fastening means from said cartridge into said driver by pumping said cartridge holder, and
- inserting said fastening means into a workpiece.
Dependencies are inferred from the claim text.