Powered multiple riveter
AssigneeFlexible Steel Lacing Company
InventorJoseph C. Vogrig
Life of this patent
Estimating the term…
Abstract
Illustrated and described is a nailing gun conversion for use in driving and setting rivets to attach belt fasteners to conveyor belts and the like. The conversion involves a special nose piece and drive rod for the gun for cooperation with the modified head of a multiple pronged rivet driver used for the simultaneous driving and setting of a cluster of nail-pointed self-setting rivets maintained in position for assembly with the belt fasteners and belt by a fixture of known construction.
Claims8
Apparatus for driving and setting multiple nail-pointed rivets pre-installed in through bores of a guide block by transmitting a blow simultaneously to a plurality of rivets in the guide block to attach belt fasteners to the ends of conveyor belts, comprising in combination:
- a power operated impact tool having a drive rod with an impact transmitting end for delivering a blow with the end of the drive rod when the drive rod is propelled axially from a body of the tool;
- said tool having a nose piece in the form of an open-ended cylindrical shell which defines a concentric space around the drive rod when extended for collision contact, and
- a multi-pronged rivet driver having a common head and a cluster of parallel lesser drive rods which are aligned with the guide block through bores secured at one end to the common head;
- said common head having a cylindrical cross-sectional configuration for insertion into said shell axially thereof to position said head to receive a blow from the drive rod of the tool;
- a cylindrical guiding surface in the shell to guide the cylindrical head for straight line travel in the shell, and configured impact surfaces on the end of the drive rod and the configured head to distribute and to transfer the energy thereof axially to said lesser drive rods of the rivet driver in alignment with the guide block through bores to drive the rivets therein for attaching a belt fastener to a belt end therebetween;
- said tool also having a touch probe positioned to be actuated by the relative movement of the tool and the rivet-driver head when received in said shell;
- said tool being activated to propel said drive rod into said shell upon the concurrent actuation of said touch probe and a trigger remote from the nose of the tool.
An apparatus for driving and setting multiple rivets pre-inserted in through bores of a guide block by transmitting a blow simultaneously to a plurality of rivets in the guide block to attach belt fasteners to the ends of conveyor belts, comprising in combination:
- a power-operated impact tool for generating a propelling force;
- a drive rod mounted in the tool and propelled thereby;
- a shell attached to the tool and into which a portion of the drive rod is propelled;
- a rivet driver including an enlarged head and a plurality of lesser drive rods mounted to the head, the head having a cross-sectional configuration adapted to be removably inserted into the shell to receive a blow from the drive rod portion and transfer the energy to the lesser drive rods;
- a guide block having a plurality of bores to hold rivets aligned with openings in the belt fasteners, the drive rods on the rivet driver movable into the bores in the guide block to abut the rivets and to align the rivets in the bores;
- and
- a guiding surface in the shell configured to receive the enlarged head for guiding the head for straight line travel in the shell, and impact surfaces on the end of the drive rod and the head to distribute and to transfer the energy thereof axially to said lesser drive rods of the rivet driver in alignment with the guide block through bores to drive the rivets therein for attaching a belt fastener to a belt end therebetween.
Dependencies are inferred from the claim text.