US331987A - Wire-nail machine - Google Patents

Wire-nail machine Download PDF


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US331987A US331987DA US331987A US 331987 A US331987 A US 331987A US 331987D A US331987D A US 331987DA US 331987 A US331987 A US 331987A
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    • B21G3/00Making pins, nails, or the like
    • B21G3/12Upsetting; Forming heads


(No McdLf 3 Sheets-Sheet 1. J. MOILVRIED.
Patented Dee. 8, 1885.
3 sheetssheet 2.
(No Model.)
Rafiented Dec. 8, 1885.
BY 1117c A! WUTNESSESZ (No Model.) 3 Sheets-Sheet 3. J. MOILVRIED.
[NVENgI/i, 91%
WITNESSES: mmmmmfi hen Wm:
$PECIE'ICA'IION forming part of Letters Patent No. 331,987, dated December 8, 1885. Application filed Septemberlt), li .85. Serial No. 176,648. (No model.)
To all whom it may concern:
Be it known that I, JOHN MGILVRIED, residing at Cleveland, in the county of Cuyahoga and State of Ohio, a citizen of the United States, have invented or discovered certain new and useful Improvements in Wire-Nail Machines, of which improvements the following is a specification.
In the accompanying drawings, which make part of this specification, Figure 1 is a top plan View of my improved wire-nail machine. Fig. 2 is a viewin side elevation of the same. Fig. 3 is a longitudinal vertical section on the line a" m, Fig. 1. Fig. 4 is a transverse sectional view, the section being taken on the lineA A, Fig. 1. Fig. 5is a sectional detail view of the cutter-carrier. Fig. 6 is a detail View of one of the cams.
The invention herein relates to certain improvements in wire-nail machines, whereby the capacity of said machine is greatly increased without increasing the speed of the driving or motive parts; and the invention consists in the construction and combination of parts, all as more fully hereinafter described and claimed.
The power-shaft 1 is mounted in suitable bearings upon the frame or bed 2, and on the shaft is secured the ring or collar 3, having lugs or projections 4, arranged on opposite sides of the ring or collar, and provided with mounted ends or noses 5, adapted to engage a steel shoulder or abutment, 6, located at the rear end of the recess '7, formed in the under side of the hammer-head S. This hammerhead is mounted in bearings 9, formed on the frame 2. Its rear end,projecting into the yoke 10, formed on the rear end of the machine, is provided with a fork, 11, for the reception of one prong of the driving-spring 12, the other prong arranged in the fork 13, mounted on ways 14, formed on the sides of the yoke 10. In the end of the yoke is mounted the adjusting-screw 15. Said screw passingthrough the supportingblock 16, bears against the fork 13 and holds the same, as against any rear movement under the action of the spring, when compressed by the projections 4 on the rings, forcing back the hammer-head 8. As
shown, the nose or head of each projection at ends abruptly on one side to permit of the sudden release of the hammer-head, which is then forced forward by the spring 12, causing the hammer 17, secured in the forward end of the head, to impinge and flatten out the end of the wire-nail blank held between the gripping-dies 18. These dies, one of which is stationar y,are arranged in ahorizontal groove imar face of the sliding block 19,which is formed with beveled or inclined sides, fitting within a vertical groove in the rear face of the abutment 20, formed in the frame 2. One side of the block 19 is retained in place by one of the walls of the groove, undercut for that purpose, the other side of the block being engaged by the wedge-shaped key 21, said key being retained in place by bolts passing through the abutment 20, all as clearly shown in Fig. 1. The block 19 is held in proper vertical position by the screws 22 and 23, the former projecting through the bottom of the vertical recess in the abutment and bearing against the under side of the block 19, and thescrew 23 passing through an arm, 24:, secured on top of the abutment and bean ing on the upper side of the block 19. The stationary die 18 is adjusted and held in proper relation to the line of feed of the wire by the screw 25,passin g through the end of the block 19 and bearing against the end of the stationary die, and the movable die is connected by the adjustable push and pull rods 26 and 27 to one end of the lever 28, pivoted to the frame 2, the opposite end of said lever being operated by the cam 29, provided with double cam-faces or projections 30, as shown in 6, the end of the lever being held in engagement with the cam by the spring 31. As soon as the head is formed on the blank, as above stated, the movable die is drawn back by the lever 28, and the wire is fed forward a sufficient distance to form the desired length of nail, which is then severed from the wire by suitable cutters, to be hereinafter described.
The feeding mechanism consists of a reciprocating carriage, 32, provided Witha suitable wire-clutching device, 33, and secured to a reciprocating bar, 34:, mounted in suitable hearings in posts or pillars 35, formed on the ICU frame 2. In front of the reciprocating carriage is located the wire-straightening device 36, consisting of a series of suitably-arranged rollers, between which the wire is drawn by the reciprocating carriage. This straightening device also serves as a detentto prevent any movement of the wire during the return movement of the feeding-carriage.
To the carriage 32 is attached a bar or rod, 37, mounted in suitable supports or guides 38, secured to the sides of the frame 2. This bar 37 is provided between its supports or guides 38 with an enlargement, 39, in which is formed a curved, or, more properly, a heart-shaped slot, 40. A pin, 41, adjustably secured in a radial slot in the gear-wheel 42, projects into the curved slot 40. As this pin is carried around by the gear-wheel in the direction of the arrow at from the position in which it is shown in Fig. 2, it will first strike the inner periphery of the slot at the point marked b, and, as it continues its rotation, will force the bar to the right, following the inner periphery of the slot, until it-reaches the point 0. Then the pin in its rotation will strike the outer periphery of the slot at a point, d, and, as its movement is still upward,'it will force the bar 37 to the left, following the outer wall of the slot to a point, e. WVhen the pin reaches the point 6, it will be at the highest point of its revolution, and the bar 37 will be at the extreme left-hand limit of its movement, and, as the pin continues its rotation, it will follow the slot without imparting movement to the rod 37 until the point I) is again reached, when the bar 37 will be again reciprocated. From the above it will be seen that the bar or rod is moved back and forth while the pin is traveling from the point I) to the point e, or, in other words, while the pin is making onehalf ofa revolution, and that during the remaining half-revolution the bar or rod is not moved. Now, if the gear-wheel 43, secured to the power-shaft ,1 and meshing with the gear 42, be made of such a size as to cause the gear-wheel 42 to rotate twice while it (the gear 43) is rotating only once, it will be apparent that the bar or rod 37 will be moved back and forth during one-quarter of a revolution of the gear 43, and will also be moved twice back and forth during a complete revolution of the gear 43. The cutters 44 are secured in blocks 45, which are provided with rearwardly-extending lugs 46, adapted, when the blocks are in place, to project between the prongs 47, formed on the upper ends of the vibrating carriers 48.
On the ends of the lugs 46 are formed threaded wrists, on which are screwed nuts 49, which serve to hold the blocks in place as against any lateral movement, but willpermit of a vertical adjustment of the block.
Across the ends of the prongs 47 are secured by bolts 50 the cross-bars 51, slotted as shown in Fig. 1, the end slots being adapted for the reception of the bolts 50, and the middle slots for engagement with grooves in the heads of the threaded bolts 52, the threaded portions of said bolts passing through or into threaded openings in the lugs 46 of the blocks 45. As the bolts are held as against longitudinal movement by the cross-bars 51, as above described, it will be evident that any rotation of the bolts 52 will move the blocks 45 in a vertical direction. The vibrating carriers 48 are provided with rock-shafts 53, mounted in suitable bearings formed in the lugs 54, depending from the under side of the frame 2.
. On the lugs 54 are formed or secured the yokes 55, through which are formed threaded openings in line with the centers of the shafts 53, and through these threaded openings pass the adj usting-screws 56, bearing at their inner ends against the ends of the rock-shafts. By loosening one of these adjusting-screws and tightening the other the vibrating carriers and the cutters may be adjusted toward and from the dies 18.
To the legs of the frame are secured the springs 57, which bear at their free ends against the tails 58 of the carriers 48, the tendency of such springs being to cause the upper ends of the carriers to move outward away from each other.
To the frame 2 of the machine are pivoted the levers 59, bearing at their forward ends, through the medium of the rods 60, against the heads of the vibrating carriers, the rear ends of said levers being arranged to engagethe lateral cam-projections 61, formed on the disks 62, and being held in such engagement by the springs 57. Each disk 62 is provided with two of these lateral cam-projections 61, for the purpose of operating the vibrating carriers twice in each revolution of the power-shaft, and each disk 62 is also provided with two peripheral cam-projections, 63, which engage the arms 64, projecting from the rocking head 65. This rocking head is mounted in suitable hearings or journals formed on one of the bearings 9 of the hammer-head 8, and to the rocking head is attached the knocker-arm 66, which serves to free the several nails from the wire-blank. The arms 64 are held in engagement with the disks 62 by the spring 67, one end of which bears upon said arms, and the opposite end is connected to a shaft journaled in the support 68. ()u said shaft is secured a ratchetwheel, which is held from rotation in one direction by the detent-pawl 69, as shown in Figs. 2 and 3. By rotating this ratchet-wheel and shaft the tension of the spring 67 can be regulated as required.
If desired, the pin 41 may be adjustably attached to the hub portion of the balance-wheel 70, in which case the gear-wheels 42 and 43 may be omitted.
I claim herein as my invention 1. In a nail-machine, the combination of a reciprocating hammer, a pair of clampingdies, a pair of vibrating cutters, and a series of double cams constructed to operate the eating feed gmechanism, and cam mechanism hammer. dies, and cutters twice filiirir iz a com- 1 suitably cotstriieted and arranged to operate plete revolution of the power-aha t, J nbstanthe hammer, dies, and cutters during a half- 15 tinlly as set forth. l= revolution of the power-shaft, and to operate 5 2. In a nail-machine, wire-feed mechanism, the feed mechanism dnringa quarter of a revoin combination with a reciprocating bar or rod lution of said shaft, substantially as set forth., provided with a curved Orheart-Shaped slot, In testimony whereof I have hereunto set my and a rotating pin engaging said slot, subhand. stantially as set forth.
x0 3. In a wire-nail machine, the combination Witnesses:
of a reciprocating hammer, a pair of clamp- WALTER A. BIDDLE. ing-dies, a pair of vibrating cutters, recipro- I JOHN M. E. BAAOKES.
i l li 1 A
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361786A2 (en) * 1988-09-26 1990-04-04 International Business Machines Corporation Disk file digita servo control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361786A2 (en) * 1988-09-26 1990-04-04 International Business Machines Corporation Disk file digita servo control
EP0361786A3 (en) * 1988-09-26 1990-09-05 International Business Machines Corporation Disk file digita servo control

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