Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1998-03-02
2000-02-01
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
29243526, B21J 1534
Patent
active
060189789
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
Generally, in order to drive a rivet, one first needs a drill to make the hole for the rivet. The Universal Simplified Riveter uses the same drill for drilling either with electric power or with the batteries of the drill. It substitutes for the manually operated riveters of the pliers type that produce hand injuries due to the major effort required to drive the rivets. It is easy to use with two possible ways of installation in the drill: as a drill bit, or automatically above the drill bit, according to the two embodiments described. Thus in the riveting process: first, one makes the hole with the bit in the drill, and then one installs the riveter without removing the bit in order to rivet. The riveter is held with the hand once it is installed in the drill over a nonslip handle grip that also covers and protects the rotating part of the drill for maximum safety. The inside mechanism is dismantled without tools. Its use is quite useful when it is not possible to use pneumatic riveters, which are operated by compressed air, because a compressed air installation is not available or because it is inconvenient to have long compressed air-supply hoses when working at construction sites or outside the machine shop. At present, there is no small and simple tool for riveting with electric power.
SUBJECT MATTER OF THE INVENTION
In the description and drawings, the pieces are indicated by numbers and the highlighted parts of each piece are indicated by a number followed by a letter.
FIG. 1--Mandrel hollow rivet.
FIG. 2--Universal Simplified Riveter, in its embodiment as held in the drill as a drill bit, by means of its fluted cylindrical tip.
FIG. 3--First phase of installation in the chuck, as a drill bit.
FIG. 4--Second phase of tightening of the drill chuck.
FIG. 5--Universal Simplified Riveter in the embodiment as automatically secured over the drill bit.
FIG. 6--Automatic installation over the drill bit.
FIG. 7--Chuck of the key type and commercial drill bits with hexagonal tip (A), commercial screwdriver bits (B), and special bit adapter for transforming cylindrical drill bits (C) into hexagonal shank drill bits (A).
FIG. 8--Grasping the riveter and ensuring that the protector covers the chuck.
FIG. 9--Riveting by rotating the drill to the right.
FIG. 10--Expelling the residual mandrel by rotating the drill to the left.
FIG. 11--Housing (1) and (2) with the spring (3).
FIG. 12--Housing in two positions.
FIG. 13--Dismantling without tools of the grip mechanism of the riveter, by only unscrewing the nut (9) and exhibition box (51) whose cover can be folded and pulls out a piece of cardboard with perforations for rivets (51a) for testing and demonstrating riveting on said piece of cardboard.
FIG. 14--Assembly and disassembly of the riveter, with pieces in two views and cross section: (27) interchangeable nosepiece according to the sizes of rivets, consisting in a perforated screw with a cylindrical end, (9) cylindrical nut with a truncated-cone shape and with two female threads, (10) nut with hole shaped like a truncated cone, (11) jaw holder with interior shaped like a truncated cone, and thread and exterior shaped like a truncated cone and cylindrical, (12) three or two jaws shaped like a truncated cone with inside tines, (14) helicoidal conical spring, (17) spindle with external thread, hexagonal body (17d), cylindrical collar (17c), and external thread (17e), and with two separate internal cylindrical chambers (17a) and (17b), (19) helicoidal spring, (18) elastic washer for perforation, (29) elastic washer for a shaft, (24) washer with hexagonal and cylindrical exterior, (30) spherical balls, (22) washer with two interior diameters, (21) drive nut with cylindrical internal end (21a) and threaded internal end (21e) and exterior with longitudinal projections (21b), transversal groove (21c) and two diameters.
FIG. 15--Embodiment in which the drive nut (21) is replaced by the drive nut (32) with interior thread (32b) plus the magnetized internal hexagon (8) with external thread
REFERENCES:
patent: 3906775 (1975-09-01), Benimetzki
patent: 4052078 (1977-10-01), Benimetzki
patent: 5471729 (1995-12-01), Zoltaszek
patent: 5544401 (1996-08-01), Danino
Hahn Thomas S.
Jones David
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