US3837554A - Pinning machine - Google Patents

Pinning machine Download PDF

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Publication number
US3837554A
US3837554A US00320340A US32034073A US3837554A US 3837554 A US3837554 A US 3837554A US 00320340 A US00320340 A US 00320340A US 32034073 A US32034073 A US 32034073A US 3837554 A US3837554 A US 3837554A
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United States
Prior art keywords
tag
pin
feeding
pinning
die
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US00320340A
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English (en)
Inventor
H Grushon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Avery Dennison Retail Information Services LLC
Original Assignee
Monarch Marking Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monarch Marking Systems Inc filed Critical Monarch Marking Systems Inc
Priority to US00320340A priority Critical patent/US3837554A/en
Priority to JP48144619A priority patent/JPS49102300A/ja
Priority to US456711A priority patent/US3887107A/en
Priority to US456712A priority patent/US3918143A/en
Application granted granted Critical
Publication of US3837554A publication Critical patent/US3837554A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C7/00—Affixing tags
    • B65C7/001—Affixing tags using pins having at least one sharp pointed end

Definitions

  • a tag attaching machine specifically, a pinning machine, for pinning tags onto merchandise.
  • the machine has a die and a cooperable plunger, a pin magazine for driving a pin through a tag and the merchandise while the die and the plunger are in cooperation at a pinning position or zone a pin feeder for feeding pins to the pin magazine, and a tag feeding mechanism for feeding tags to the pinning position.
  • the tag feeding mechanism is adapted to handle a wide range of sizes of tags.
  • the tag feeding mechanism causes relative movement between the tag stack and endless feed means to feed one tag at a time to a waiting position and to thereafter feed the waiting tag to the pinning position.
  • the tag feeding mechanism has a side guide mechanism by which a stack having tags of any selected width can be held in the tag hopper and by which a holding force can be exerted on the tag at the pinning position.
  • a brake mechanism prevents the side guide mechanism from moving into the space occupied by the tag stack when the stack is depleted or nearly depleted.
  • the feeding mechanism is mounted by a subframe pivotally mounted to the frame to provide access to the underside of the feeding mechanism and to the remainder of the machine.
  • a pin clinching and tag holding member is constructed and operated to hold a tag at the pinning position and to thereafter clinch the pointed end of the pin into the tag.
  • This invention relates in general to the art of tag attaching machines and in particular to pinning machines.
  • the invention provides an improved method and apparatus for pinning a tag onto merchandise.
  • the machine is of the type having a die and a cooperable plunger, a pin magazine, a pin feeder for feeding pins to the pin magazine, and a hopper for a stack of tags.
  • the invention provides improved method and apparatus in which endless drive means is continuously driven throughout an operating cycle, so that the feeding of a tag from a waiting position in frictional contact with the endless driver toward a pinning position starts at the beginning of a cycle, thereafter during the cycle positioning the tag at the attaching position, thereafter during the cycle attaching the tag to merchandise and feeding another tag from a stack to the waiting position near the end of the cycle.
  • endless feed means instead of the conventional feed fingers, to feed a tag from a stack to the pinning position enables long tags such as or more inches in length to be fed from a stack to the pinning position.
  • a movable side guide which is urged against the side of the stack. Means are provided to prevent the side guide from moving into the space which would be occupied by the tag stack when the stack is depleted or nearly depleted.
  • the side guide also carries another movable side guide which contacts the side edge of a tag at the pinning position to hold the tag and to urge the tag against a stationary side guide.
  • the movable side guides are always in the right position irrespective of the width of the tag stack.
  • Means are provided to both hold the tag at the pinning position and to clinch the pointed end of pin into the tag. This is accomplished by positioning a tag holding and clinching member in one of three positions. When the holding and clinching member is in a first or initial position, the tag is admitted to the pinning position, in the second position the tag is held at the pinning position, and in the third position the pointed end of the pin is clinched. Means are also provided to uncouple the feed wheel from the drive system to enable a jam to be readily cleared. There is also an arrangement by which the tag feeding mechanism is carried by a subframe which is movably mounted to the frame to allow access to the machine components. Another feature is the provision of means to prevent operation of the machine when the hopper and the subframe are moved relatively away from each other.
  • FIG. 1 is a front elevational view of a pinning machinein accordance with the invention
  • FIG. 2 is a side elevational view of the pinning machine shown in FIG. 1;
  • FIG. 3 is a perspective view showing a fragmentary portion of a tag having been pinned to merchandise by the pinning machine
  • FIG. 4 is an exploded perspective view of part of the drive system for the pinning machine
  • FIG. 5 is an exploded perspective view showing major components of the pinning machine
  • FIG. 6 is an exploded perspective view supplemental to FIG. 5 showing particularly structure for feeding tags to the pinning position;
  • FIG. 7 is a sectional view taken along line 7-7 of FIG. 1, showing structure by which a pin strip is advanced to the pin magazine, the pin feeder being shown in the restposition;
  • FIG. 8 is a view similar to FIG. 7, but the pin feeder being shown in the feeding position;
  • FIG. 9 is a side elevational view'of the tag feeding mechanism in its initial position at the beginning of the machine cycle
  • FIG. 10 is a side elevational view showing the tag feeding mechanism of the mahine near the end of the machine cycle just prior to the feeding of a tag to a waiting position;
  • FIG. 12 is a side elevational view showing the feeding mechanism feeding a tag toward the pinning position
  • FIG. 13 is a sectional view showing the manner by which a roller assembly is mounted relative to a feed wheel
  • FIG. 14 is a top plan view of the machine with part of the tag feeding mechanism broken away for clarity;
  • FIG. 15 is a fragmentary front elevational view of the machine showing the pin clinching and tag holding mechanism in its initial position prior to a tag having been fed to the pinning position;
  • FIG. 16 is a view similar to FIG. 15, but showing the pin clinching and tag holding mechanism in a tag holding position in which a tag is held at the pinning position and in which a side guide is shown spaced slightly from one side of the tag;
  • FIG. 17 is a view similar to FIGS. 15 and 16, but showing the plunger in cooperation with the die, a pin driver of the pin magazine completing its pin driving movement, the pin clinching and tag holding mechanism being in a clinching position in which the pointed end of the pin is being clinched into the underside of the tag and the side guide has moved to a position in which the tag is urged against the other side guide;
  • FIG. 18 is a sectional view taken generally along line l818 of FIG. 1;
  • FIG. 19 is a fragmentary view taken generally along line 19l9 of FIG. 10 showing the underside of the tag hopper and showing a brake mechanism in its ineffective position;
  • FIG. 20 is a view similar to FIG. 19, but showing a fragmentary portion of the brake mechanism in the effective (braking) position;
  • FIG. 21 is a fragmentary view taken generally along line 2121 of FIG. showing the upper side of the tag hopper and showing the brake mechanism in its ineffective position;
  • FIG. 22 is a view similar to FIG. 21, but showing a fragmentary portion of the brake mechanism in the effective position.
  • FIG. 23 is a timing chart.
  • FIGS. 1, 2 and 3 there is shown a tag attaching machine and particularly a pinning machine generally indicated at 30.
  • the machine 30 is capable of attaching a tag T to merchandise M by means of a pin P having a head h and a pointed end e.
  • the pinning machine 30 has a frame generally indicated at 31 which pivotally mounts a subframe generally indicated at 32.
  • the frame 31 mounts an electric motor 33, a speed reducer 34, a plunger or anvil 35, a die 36 with which the plunger 35 cooperates, a pin magazine 37, and a pin feeder 38 for feeding pins P on a pin strip PS from a pin roller PR.
  • the subframe 32 mounts a tag feeding mechanism generally indicated at 39.
  • the frame 31 also pivotally mounts an actuator or operating lever 40 pivotally mounted about a fixed pivot 41. Depression of the actuator 40 causes a clutch operator 42 to initiate the operation of a single revolution clutch 43 driven by the speed reducer 34.
  • the speed reducer 34 drives a sprocket 44 which in turn drives a sprocket 45 via a roller chain 46.
  • the sprocket 45 drives an input shaft 47 to the clutch 43.
  • the clutch 43 drives an output or drive shaft 48 through one revolution each time the clutch 43 is engaged. Engagement of the clutch 43 is effected by depression of the actuator 40 (counterclockwise movement as viewed in FIG. 4) which shifts the clutch operator 42 against the force of tension spring 42'.
  • the clutch operator 42 is mechanically coupled to the clutch 43 as indicated by broken line 42".
  • a cam 49, a bevel gear 50, and cams 51 and 52 are secured to the drive shaft 48.
  • the cam 49 drives a follower lever 53 to raise and lower the plunger 35 in succession once during each rotation of the shaft 48.
  • the lever 53 is pivotally mounted on a pivot 54 secured to the frame 31.
  • the plunger 35 is mounted for reciprocal movement by a housing 55..
  • the bevel gear 50 is in mesh with a rotatably mounted bevel gear 56 secured to a sprocket 57.
  • the sprocket 57 in turn drives a roller chain 58 also shown in FIGS. 2, 5, and 9.
  • the cam 51 drives a follower arm 59 which is biased against the cam 51 by a spring 60.
  • the arm 59 is secured to a bracket 61 which is pivotally mounted on a fixed pivot 61' carried by the frame 31.
  • a pin clinching and tag holding member 62 is secured to the underside of the bracket 60.
  • the cam 51 is contoured to drive the member 62 successively from an initial first position into second and third positions and to return the member 62 to the first position during one revolution of the drive shaft 48 as will be described below in greater detail.
  • the cam 52 has a cam groove 63 in which a follower roller 64 is disposed.
  • the follower roller 64 is carried by a rigid link 65.
  • the link 65 is guided for reciprocal movement in opposite directions as shown by a doubleheaded arrow 66.
  • the link 65 operates the pin magazine 37 including its pin driver 67.
  • the roller chain 58 drives a sprocket 68 secured to a shaft 70.
  • the shaft 70 is rotatably mounted in a bearing 69 mounted in a hole 69 in a subframe plate 71 of the subframe 32.
  • a pinion gear 72 secured to the sprocket 68 is mounted on a bearing 73.
  • the bearing 73 is received in a hole 75 in subframe plate 76 of subframe 32.
  • the pinion gear 72 meshes with a gear 77.
  • a cam 78 is adjustably secured to the gear 77 by screws 79 which pass through holes 80 in the gear 77 and through arcuate slots 81 in the cam 78.
  • the screws 79 are threadably received in threaded holes 82 in hub 83 of a cam 84.
  • a post 85 extends through a central hole 86 in the hub 83, through a hole 87 in the cam 78, through a hole 88 in the gear 77 and through a hole 90 in subframe plate 76. Threaded end 91 of the post 85 which extends through the hole 90 threadably receives a nut 89.
  • the screws 79 hold the cam 78 in adjusted position relative to the gear 77 and to the cam 84 so that the gear 77 and the cams 78 and 84 rotate as a unit about the post 85.
  • the sizes of the bevel gears 50 and 56, the sprockets 57 and 68, and the gears 72 and 77 are such that one complete revolution of the drive shaft 48 drives the gear 77 and the cams 78 and 84 through one complete revolution. Accordingly, the ratio between the drive shaft 48, and the gear 77 and cams 78 and 84, is l to l.
  • the gear 77 carries a roller 92.
  • the roller 92 drives a follower 93 pivotally mounted on reduced diameter section 73 of the bearing 73.
  • the follower 93 carries a pin 94 received in an elongated slot 95 of an actuator 96.
  • the actuator 96 is pivotally mounted by a pivot screw 97 which extends through a hole 98 in the subframe plate 76, through a spacer 99, through a hole 100 in the actuator 96, through a hole 101 in a bracket 102, and threadably receives a nut 103.
  • the bracket 102 is securely mounted to the subframe plate 76.
  • a tension spring 104 is connected at one end to a post 105 carried by the plate 76 and is connected at its other end to a post 106 carried by the actuator 96. he spring 104 normally urges the actuator 96 into a return position shown in FIG. 7.
  • the cam 78 has a cylindrical outer surface 107 concentric with the central hole 87 with a depression or low point 108.
  • a follower roller 109 bears against the cam 78.
  • the roller 109 is carried by a lever 110 pivotally mounted on a post 111 secured to the subframe plate 71.
  • a clip 112 retains the lever 110 on on the post 111.
  • the lever 110 has a bifurcated end 113 which receives a pin 114 secured to a slide bar 115.
  • the slide bar 115 has a pair of elongated slots 116. Pins 117 secured to the subframe plate 71 extend through the slots 116.
  • a tension spring 118 is connected at its one end, to end portion of the one pin 117 (toward the front of the machine 30) which extends through the respective slot 116.
  • the other end of the spring 118 is connected to end portion of a pin 119 secured to the slide bar 115.
  • the spring 119 urges the bar 115 and a pusher 120 toward the front of the machine 30 and causes the roller 109 to be urged against the cam 78.
  • the lever 110 pivots clockwise (FIG. 9) and the slide bar 115 and a pusher 120 carried by the slide bar 115 shift toward the front of the machine 30.
  • the pusher 120 comprises a roller 120a and a rod 120]).
  • the roller 120a is mounted on an arm 1200 which is connected to a flange 120d attached to the slide bar 115.
  • the roller 120a and the arm 1200 are movable between the wheels 186 and 187.
  • the rod l20b is threadably and hence adjustably threaded into the flange 120d.
  • an arm 122 (FIG. 5) having a hole 123 and a bifurcated end 124.
  • the hub 83 extends through the hole 123.
  • the hole 123 is large enough to allow the arm 122 to pivot about post 122 which passes through hole 122".
  • a pair of spaced apart rollers 125 and 125 are carried by the arm 122.
  • the rollers 125 and 125 engage the cam 84 at opposite locations (FIG. 9).
  • the cam 84 rotates, the arm 122 is oscillated first in one direction (clockwise in FIGS. 5 and 9) and thereafter in the opposite direction (counterclockwise in FIGS. 5 and 9).
  • the bifurcated end 124 receives a roller 126 carried by a bell crank 127.
  • the bell crank 127 is pivotally mounted by a pivot or shaft 128.
  • the pivot 128 is rotatably mounted in a bearing 129 secured in a hole 130 in plate 71.
  • a screw 131 extends through a hole 132 in the bell crank 127, through an arcuate slot 133 in plate 71, and is threaded into a bar 134 (FIG. 6). Construction and operation of the feed fingers 121 will be described below.
  • a pusher generally indicated at 135 for exerting force on the end ofthe stack S oftags T in hopper H.
  • the pusher 135 includes a plate 136 which exerts force against one end of the tag stack S.
  • a link 137 is pivotally connected to the plate 136 by a pin 138.
  • the link 137 is pivotally connected to a link 139 by a pin 140.
  • the link 139 includes a hub 141 having a hole 142.
  • a screw 143 is threadably received in a threaded bore 143' in the hub 141.
  • the respective ends 146 and 147 of the tube or rod 144 receive screws (not shown) that pass through holes and 145' in a bracket 31 secured to a frame plate 372 and thus the tube 144 is prevented from rotating.
  • a screw threadably received by the hub 148 of a plate 149 secures the plate 149 to the tube 144 at any rotational position.
  • the subframe 32 is pivotally mounted on the shaft 70 which extends through bearings 145" in the bracket 31.
  • a collar 151 has a pin 152 which can fit into any one of holes 153 in the plate 149.
  • the collar 151 carries a post 154 which is engaged by one end 155 of a torsion spring 156.
  • the other end 157 of the spring 156 is engaged with the screw 143.
  • the spring 156 is loosely received about a sleeve 158 through which tube 144 extends.
  • the amount of torque which the spring 156 can exert on the link 139 is adjustable by shifting the collar 151 away from the plate 149 so that the pin 152 clears the hole 153 in which is was received, then rotating the collar 151 in either the loosening (clockwise in FIG. 5) or tightening (counterclockwise in FIG.
  • the shaft 70 which is rotatably mounted by bearing 69 (FIG. 5), is also rotatably mounted in a bearing 159 (FIG. 6) received in a hole 160 in the plate 71a.
  • a sprocket 161 is secured to the shaft 70 by a screw 162.
  • a roller chain 163 is engaged with the sprocket 161 and with a sprocket 164.
  • the chain 163 is also trained partially around and under a roller 163 which is secured to the plate 71a by a bracket 163".
  • the sprocket 164 has a hub 165 which is received in a bore 166 of a hub 167 of a gear 168.
  • a key 169 prevents relative rotation between respective hubs 165 and 167.
  • 8 gear 168 carries a pair of opposed pins 170.
  • the pins 170 can fit into a pair of opposed holes 171 in a plate 172.
  • Another plate 172 is secured to the plate 172 by a hub 173.
  • the plates 172 and 172 and the hub 173 comprise a movable coupling member 174.
  • a shaft 175 extendsthrough a bore 176 in the hub 165 and nto the hub 173.
  • the coupling member 174 is shiftable relative to the shaft 175 and pins 170 so that the pins 170 can move out of or into holes 171 in the plate 172.
  • the coupling member 174 can be shifted relative to the shaft 175, lug 177 does not leave the keyway 179 in the hub 173 when the coupling member 174 is shifted.
  • the shaft 175 is rotatably mounted in bores 180, 180a and 180k (FIG. 5) in respective plates 71, 71a and 71b.
  • endless feed member in the form of a feed wheel generally indicated at 182 is secured to a reduced diameter section 183 of the shaft 175 by a screw 184.
  • the feed wheel 182 is shown to comprise a hub 185 to which spacedapart wheels 186 and 187 are secured.
  • the wheels 186 and 187 have respective coverings 188 and 189 composed of a material having a high co-efficient of friction sch as rubber or the like secured to their respective peripheries.
  • a gear 190 which meshes with the gear 168 is secured to a shaft 191 by a screw 192.
  • Reduced diameter end section 193 of the shaft 191 is rotatably received in a bearing 194 received in a bore 195 in subframe plate 71b.
  • Reduced diameter end section 196 of the shaft 191 is rotatably received in a bearing 197 received in a bore 198 in plate 71a.
  • a gear 199 secured to the shaft 191 by a screw 200 meshes with a gear 201.
  • the gear 201 is secured to a shaft 202 by a screw 203.
  • a bearing 204 is received in a hole 205 in the plate 71a.
  • the shaft 202 extends through and is rotatably received by the bearing 204.
  • An endless feed member in the form of a feed wheel 206 is secured to the shaft 202 by a screw 207.
  • the feed wheel 206 has a covering 206 composed of a material having a high co-efficient of friction such as rubber or the like secured to its periphery.
  • the right end of the shaft 202 (FIG. 6) is received by a bearing 208 mounted in a hole 209 (FIG. 5) in the plate 71. It is apparent that the feed wheels 182 and 206 rotate in the same direction, namely clockwise as viewed in FIG. 6.
  • the member 174 is shifted (to the left as viewed in FIG. 6) away from the gear 168.
  • the gear 168 is no longer drivingly coupled to the shaft 175.
  • the feed wheel 182 can be freely rotated manually (together with the shaft 175 and the member 174).
  • the member 174 is moved toward the gear 168 and pins 170 enter holes 171 in the plate 172, the feed wheel 182 is again drivingly coupled to the gear 168.
  • the member 174 canbe shifted manually by means of a lever 210 which is pivotally mounted about a pin 211.
  • the pin 211 passes through holes 212 in the lever 210 and through holes 213 in a bracket 214.
  • the bracket 214 is secured to subframe plate 71b by means of screws 215.
  • the lever 210 carries a pair of rollers 216 which fit between the plates 172 and 172 along their diameters and outward of the holes 171. While the gear 168 is coupled to the member 174, and thus the pins 170 extend through the holes 171, the rollers 216 will not interfere with rotation of the gear 168 and member 174.
  • a compression spring 217 bears against the plate ifb at i ts one end and is received at its other end about a post 218 secured to the lever 210.
  • a pin 219 secured to one end of the lever 210 extends through an enlarged hole 220 in the plate 71!).
  • Applying a manual force against the pin 219 toward the right (as viewed in FIG. 6) causes the lever 210 to pivot about the pin 211, thereby compressing the spring 217.
  • the rollers 216 acting against the plate 172 move the member 174 to the left (as viewed in FIG. 6) so that the plate 172 loses contact with the pins 170, thereby uncoupling the gear 168 and the shaft 175.
  • the spring 217 will cause the lever 210 to pivot about the pin 211 until pins 170 enter the holes 171. It is seen that in this manner the shaft 175 and the associated feed wheel 182 can be readily uncoupled from and coupled to the remainder of the drive system.
  • the feed fingers 121 are shown to be pivotally mounted to a plate 221 by pins 222. As plate 221 oscillates first in one direction and thereafter in the opposite direcction during each machine cycle, the feed fingers 121 will move forward and thereafter backward.
  • Spaced-apart spring fingers 223 are mounted to a bar 224 having a threaded stud 225 which extends through a hole 226 in the plate 710 and threadably receives a nut (not shown).
  • the other end of the bar 224 has a threaded stud 227 which extends through a hole (not shown) in the plate 71 and threadably receives a nut (not shown).
  • the bar 224 is non-rotatably secured to the sub-frame plates 71 and 71a.
  • the spring fingers 223 bear against the respective feed fingers 121 and urge them downwardly as viewed in FIG. 6.
  • the plate 221 is secured to the pivot 128.
  • One end of the pivot 128 extends through the bearing 129 and the other end of the pivot 128 extends through a bearing 228 mounted in a hole 229 in the plate 710.
  • a cam 230 is secured to the end 231 of pivot 128 by means ofa screw 232.
  • the cam 230 operates a side guide G as will be described below in greater detail.
  • a plate 233 is shown to be secured to the flanged upper ends of the plates 71a and 71b by screws 234 (only one of which is shown).
  • the plate 233 carries opposed ball tracks 235 and 236 in which respective ball bearings 237 and 237 are received.
  • a top plate 238 is joined to a front plate 239 and to a rear plate 240.
  • a pair of oppositely facing generally channel-shaped members 241 and 242 are secured to the top plate 238 by screws (not shown) passing through holes 243.
  • the members 241 and 242 have respective ball tracks 245 and 246.
  • the ball bearing 237 is received in opposite tracks 235 and 245 and the ball bearing 237 is received in opposite tracks 236 and 246.
  • a generally vertical side guide or guide plate 247 having a flange 248 is secured to the plate 238 by screws (not shown) passing through a pair of holes 249 in the flange 248 and a pair of holes 250 in the plate 238.
  • the guide 247 engages the side edges of tags or tickets T in the tag stack S (FIG. 1).
  • a pin 251 secured to the underside of the plate 238 extends through an elongated slot 252 in the plate 233.
  • a constant torque Negator brand spring 253 is connected at its free end 254 to the pin 251.
  • a pin 255 secured to the plate 233 extends through the center of the spring 253.
  • a fastener 256 holds the spring 253 on the post 255.
  • FIG. 6 there is shown a plate 257 having opposed flanges 258 and 259 by which the plate 257 is attached to subframe plates 71 and 710.
  • a pair of rollers 260 are rotatably mounted on a pivot 261.
  • One end of the pivot261 is secured to a bracket 262 and is other end is received in a hole 263 in a bracket 264.
  • the rollers 260 fit between the side edges of a cutout 265 in th plate 257.
  • Screws 266 and 267 fit through elongated slots 268 and 269 in the brackets 262 and 264 and are respectively threadably received in respective mounting blocks 270 and 271.
  • the blocks 270 and 271 are secured to the underside of the plate 257 by screws (not shown) passing through respective pairs of holes 272 and 273.
  • a tag guide plate 274 is also secured to the underside of the plate 257 at its forward end by screws 275.
  • a pivot pin 276 extends through holes 277 and 278 in brackets 262 and 264 and through holes 277 and 278 in respective plates 280 and 281 of a roller assembly generally indicated at 282.
  • a pair of tie rods 283 and 285 interconnect the plates 280 and 281. Screws 284 extend through the plates 280 and 281 and are threadably received by the tie rod 283 and in similar manner the tie rod 285 is secured to the plates 280 and 281.
  • the plates 280 and 281 have open ended slots 286.
  • rollers 289 have reduced diameter ends 290 received in the enlarged holes 290 in the plates 287 and 288.
  • springs 291 which contact the reduced diameter ends 290 urge the rollers 289 into contact with the outer surface of the feed wheel 182.
  • each of the rollers 289 is individually biased at each of its ends 290.
  • a spring 292 recieved by a post 293 on the tie rod 285 bears against a tie rod 294 which connects subframe plate 71 and bracket 257'. The spring 292 normally urges the entire roller assembly 282 into contact with the feed wheel 182.
  • the gear 72 secured to the shaft 70.
  • the gear 72 is a pinion which meshes with the gear 77.
  • the gear 77 is shown in its initial position in FIG. 7 with the roller 92 which it carries out the contact with the follower arm 93.
  • the spring 104 holds driver 96 against a stop 96.
  • the gear 77 makes one revolution each time the single revolution clutch 43 is engaged.
  • roller 92 moves into contact with the lever 93 to pivot the driver 96 counterclockwise about the post 97.
  • the arm 122, the cams 78 and 84, and the bell cranks 110 and 127 are in their initial positions.
  • cams 78 and 84 rotate as a unit in a counterclockwise direction (FIG. 9).
  • the cam 78 makes almost one complete revolution before the roller 109 moves to its low point 108
  • bell crank 110 does not move until near the end of the machine cycle in which the cam 78 is in the position shown in FIG. 11.
  • the bell crank 110 is shown to be rotated clockwise from the position shown in FIG. 9 and the bar 115 is shown as having been shifted to the left (FIG. 11).
  • the pusher 120 is moved to the left (toward the front of the machine 30) so that the roller 120a and the rod 1201) now allow the endmost ticket T in the stack S to move into engagement with the feed wheels 182 and 206. In that the roller 109 is only in contact with.
  • the pusher 120 moves from its position shown in FIGS. 9 and 10, for example, to the position shown in FIG. 11 and then back to the position shown in FIGS. 9 and 10 during a very short period of time.
  • This period of time is only long enough for the endmost tag T to move into feeding cooperation with feed wheels 182 and 206.
  • that endmost tag T continues to be fed until it is in a waiting position indicated by phantom lines W in FIGS. 10 and 13.
  • the endmost tag T stops in the waiting position W when the feed wheels 182 and 2% stop rotating at the end of the machine cycle.
  • FIG. 9 it is seen that at the beginning and at the end of the machine cycle the follower roller 109 is in position just beyond the low point 108.
  • FIGS. 14 through 17 there is illustrated the action of the pin clinching and tag holding member 62.
  • the member 62 which is mounted by the bracket 61 is movable from a first or initial position shown in FIG. 15 to a second or tag holding position shown in FIG. 16 and to a third or pin clinching position shown in FIG. 17.
  • the cam 51 is shown to be comprised of a pair of side-byside cams or plates 51a and 51b.
  • the follower 59 carries a post 59a which carries a roller 59b.
  • a set screw 59c extends through the post 59a.
  • the roller 5% is in the same plane as the cam 51a and the screw 59c is in the same plane as the cam 51b.
  • the cam 51a has a low dwell portion 300 and a high dwell portion 301 and the cam 5112 has a low dwell portion 302 (which the screw 59c never contacts) and a high dwell portion 303.
  • the cams 51a and 51b are shown in their initial positions in FIG. 15. Clockwise rotation of the shaft 48 (FIG. 15) will cause the roller 59b to roll on the low dwell portion 300 of the cam 51a (which constitutes one section of the cam 51) through only a small rotational angle until the rounded end of the screw 59c engages an inclined portion 304 of the cam 51b.
  • the inclined portion 304 constitutes a transition between the low dwell portion 302 and the high dwell portion 303 of the cam 51b.
  • the member 62 is urging the tag T against a lateral extension 305 of the die 36.
  • the member 62 supports the tag T and presses it lightly against the lateral extension 305.
  • a side guide 306 pivots counterclockwise and contacts side edge S e1 to shift the tag T so that its other side edge Se2 is against a stationary side guide 307 at the edge of the die 36.
  • the side guide 306 is shown to have moved counterclockwise into contact with the side edge Sel and has driven the tag T laterally until its side edge Se2 is in contact with the stationary side guide 307. As is seen in FIG.
  • the cam 51 has rotated to the position in which high dwell portion 301 of the cam plate 51a is in contact with the roller 59b (which constitutes still another section of the cam 51).
  • the roller 59b contacts inclined portion 308 of the cam plate 510, which constitutes the transition between the low dwell portion 300 and the high dwell portion 301, the follower 59 is rotated still further from the position shown in FIG. 16 to the position shown in FIG. 17.
  • the plunger 35 has already moved into cooperation with the die 36 and during such cooperation the pin driver 67 drives the pin P through the tag T and the merchandise M, through the merchandise M again, and through the tag twice again.
  • the end of the plunger 35 is grooved as indicated at 35' so that the pin P, which travels from right to left as viewed from the front of the machine 30 and as seen in FIG. 17, is diverted by the plunger 35 and contacts the die 36 so that the end of the pin is again driven through the tag T.
  • the pin clinching and tag holding member 62 is in the position shown in FIG. 17, the end e of the pin P is bent and directed into the underside of the tag T.
  • the roller 59b passes from contact with the high dwell portion 301 to the low dwell portion 300 of the cam plate 51a, thereby returning the member 62 to the initial position shown in FIG. 15.
  • a thin flexible plate 309 is secured to a generally horizontal stationary plate 310 mounted to the frame 31.
  • the plate 309 is secured to the plate 310 only by the two screws 311.
  • the plate 309 In the position shown in FIG. 15, the plate 309 is just in touching contact with the upper surface of the bracket 61.
  • the end 62 of the member 62 is shown in FIG. to extend upwardly through a cutout 312 in the plate 309.
  • the plate 309 is cut out as indicated at 313 to allow the plunger 35 to cooperate with the die 36.
  • the bracket 61 flexes the plate 309 upwardly. This flexure of the plate 309 causes the plate 309 to urge the left side of the tag as viewed in FIG.
  • the end of the member 62 as well as the plate 309 exert holding forces on the tag T providing that the tag T is wide enough to be contacted by the plate 309.
  • the narrowest tags will be contacted by the end 62' of the member 62, but their side edges will be short of edge 314 of the plate 309.
  • the side guide 306 is pivotally mounted on a pin 315 carried by the plate 239.
  • the pin 315 passes through a hole 316 in the side guide 306.
  • a pin 317 carried by the guide 306 extends into an elongated slot 318 in a lever 319.
  • the lever 319 is pivotally mounted on a pin 320 which passes through a hole 321.
  • a tension spring 322 is connected at one end to a pin 323 carried by the lever 319 and is connected at its other end to a pin 324 secured to a plate 239. Accordingly, the spring 322 urges the lever 319 clockwise to urge the side guide 306 counterclockwise, as viewed in FIGS. 1 and 5.
  • the lever 319 has a flange 325 which threadably receives a screw 326.
  • a lock nut 327 (FIG. 18) can lock the screw 326 to the flange 325 in any adjusted position.
  • the lever 319 can be pivoted counterclockwise (FIGS. 1 and 5) against the force of the spring 322 by means of a follower generally indicated at 328 (FIGS. 5 and 18).
  • the follower 328 is pivotally mounted on a post 329 mounted by subframe plates 71a and 71b. As best shown in FIG. 5, the follower 328 comprises a relatively wide plate 330 having a flange 331 at its one end. A pair of flanges 332 are joined to the sides of the plate 330.
  • a follower roller 333 is mounted by a post 334 carried by an appendage 332 to the one flange 332.
  • the roller 333 is driven by the cam 230 which is secured to the end 231 of the pivot or shaft 128 (FIG. 6).
  • the cam 230 first oscillates counterclockwise from the solid line position shown in FIG. 18 to the phantom line position represented by the phantom lines 230P and thereafter the cam 230 returns to the solid line position.
  • the follower 328 remains in the solid line position (FIG. 18) until the roller 333 moves from the high dwell portion 335 to the low point 336 as indicated by the phantom lines 336P.
  • the follower 328 and its flange 331 move to the position shown by phantom lines 328P, the screw 326 moves to the position shown by phantom lines 326P and the flange 325 moves to the position shown by phantom lines 325P.
  • the spring 322 causes the roller 333 to be urged into continuous contact with the surface of the cam 230.
  • the follower 328, its flange 331 and its roller 333 return to the solid line position (FIG. 18) under the biasing of the spring 322, the lever 319 is urged clockwise (FIGS. 1 and 5) thereby driving the side guide 306 counterclockwise.
  • the cam 230 is attached to the shaft 128, the side guide 306 is in its position shown in FIG. 17 when the feed fingers 121 are in their forward position such as shown by solid lines in FIG. 12.
  • the side guide 306 and the lever 319 are considered to comprise a side guide mechanism G which is actuated by the actuator 328 and the cam 230.
  • the side guide mechanism G is carried by the side guide mechanism G and takes a position at the pinning zone PZ which is determined by the position of the side guide mechanism G. More specifically, the position of the plate 247 of the side guide mechanism G which engages the side of the tag stack S determines the position of the side guide mechanism G. Accordingly, irrespective of the width of the tags T which comprise the stack S, when the side guide 306 is in its clockwise position as shown in FIG. 16, the face of the side guide 306 will be a small predetermined distance from the side edge Sel of the tag T which is at the pinning position PZ.
  • the side guide 306 would be to the right of the position shown but the face of the side guide 306 would still be spaced the same predetermined distance from the side edge Sel of such a narrower tag in the clockwise position of the side guide 306. Accordingly, the side guide 306 is always in the correct position irrespective of the width of the stack S.
  • the flange 331 (FIG. 5) of the follower 328 is relatively wide the end of the screw 326 can contact the underside of the flange 331 in any position across its width. Accordingly, the follower 328 can control the side guide 306 irrespective of the position at which the screw 326 contacts the underside of the flange 331.
  • the spring 253 urges the side guide mechanism G against the side of the tag stack S. It is desirable that the side guide mechanism G not move into the space occupied by the tags T when the tag stack S is depleted or nearly depleted, in that the plate 247 may buckle the last one or two tags T which may cause a jam.
  • the side guide 306 will move to a position immediately in front of the plunger 35. Accordingly, a brake mechanism generally indicated at 350 and shown in FIGS. 6 and 19 through 22 can apply a braking force to the side guide mechanism G. More specifically the braking force is applied directly to the plate 240 (FIGS. and 19 through 22).
  • the brake mechanism 350 includes a bell crank 351 pivotally mounted on a post 352 on the underside of the plate 257.
  • a pin 353 of a slide bar 354 is received in an elongated slot 353 of the bell crank 351.
  • the slide bar 354 has a pair of elongated slots 355 in which pins 356 secured to the underside of the plate 257 are received. Accordingly, the bell crank 351 can pivot about the post 352 and the slide bar 354 can move in opposed directions relative to the plate 257.
  • a tension spring 357 is connected at its one end to one pin 356 and at its other end to a post 358 carried by the slide bar 354. The spring 357 urges the slide bar 354 to the right as viewed in FIG. 21.
  • the slide bar 354 has a pair of opposed cam surfaces or faces 359.
  • the cam surfaces 359 are shown to be in contact with respective pins 360 carried by respective eccentrics 361.
  • the pins 360 extend through respective enlarged holes 362 in the plate 257.
  • the eccentrics 361 are rotatably mounted on respective pivot screws 363.
  • a tension spring 364 is connected at its ends to the pins 360 As shown in FIGS. 19 and 21, the spring 364 pulls the pins 366 against the cam surfaces 359.
  • the spring 364 is not strong enough, however, to cause the slide bar 354 to move to the left (FIGS. 19 and 21) by overcoming the force of the spring 357. Accordingly, the eccentrics 361 are held in the positions shown in FIGS. 19 and 21 away from the plate 240.
  • the side guide mechanism G is free to move sideways toward the right side of the machine as viewed in FIG. 1 under the influence of the spring 253 (FIG. 5) or to be manually moved toward the left side of the machine as viewed in FIG. 1, as is desirable when tickets T are being stacked in the hopper H.
  • a screw 365 is threadably received by the arm 139. The screw 365 is adjusted so that when the stack 5 is depleted or nearly depleted, the end of the screw 365 comes into abutment with a flange 366 on the bell crank 351 to effect clockwise pivoting of the bell crank 351 as viewed in FIG. 21.
  • the bell crank 351 is considered to have sensed the screw 365.
  • the screw 365 is adjusted so that the brake mechanism 350 will take effect when there is only one tag remaining in the stack S.
  • the number of tags T which should remain in the stack prior to the brake mechanism 350 taking effect is dependent as a practical matter upon resistance of the tag or tags to bending in response to the force exerted by the side guide mechanism G. It is generally preferred that the screw 365 be adjusted so that the brake mechanism 350 takes effect when there are still three tags T in the stack S.
  • the power to the motor 33 is controlled by a switch arm 367 of an electric switch 368.
  • the subframe 32 can be latched in the raised position by a latch 370 (FIG. 5).
  • the latch is pivotally mounted on the shaft 329 (FIG. 18).
  • the latch 370 passes through an elongated slot 371 in a frame plate 372.
  • a tension spring 373 urges the latch 370 against end 374 of the slot 371.
  • One end of the spring 373 passes through a hole 375 at the end of the latch 370 and the other end of the spring 373 is connected to a post 376 secured to the underside of the plate 372.
  • the latch 370 has an open-ended slot 377.
  • a tension spring 379 is connected at one end to the plate 71 and at its other end to the frame plate 372. The spring 379 assures that the subframe 32 will always be held in the lowered position during use of the machine 30.
  • the side guide 306 is operated while the feed fingers 121 are completing their forward stroke to cause side edge Se2 to move against the stationary side guide 307. Then the plunger 35 moves into cooperation with the die 36.
  • the pin feeder 38 is driven by the driver 96 to deliver a pin P to the pin magazine 37.
  • the pin driver 67 has moved to its fully leftward position as shown in FIG. 17, the end 62' of the member 62 starts clinching the end e of the pin P. Thereafter the plunger 35 starts returning to the downward position and the merchandise M with the tag T pinned to it can now be removed by the user.
  • the pin driver 67, the pin feeder 37, the member 62, the side guide 306, and the feed fingers 121 are then returned to their initial positions.
  • FIGS. 15 through 22 For details of a typical pin magazine, reference may be made to FIGS. 15 through 22 for example and the related description of above-mentioned U.S. Pat. No. 1,971,963. Details of a typical plunger or anvil and a typical pin feeder are shown in respective FIGS. 3 and 8 of U.S. Pat. No. 1,917,963. Any suitable known magazine, plunger or pin feeder can be used.
  • the feed wheels 182 and 206 are driven at the same peripherial speed.
  • the feed wheel 182 is driven through nine revolutions during each machine cycle at a rate of about 855 RPM. It is apparent that for each revolution of the drive shaft 48, the feed wheel 182 rotates through nine revolutions.
  • the ratio between the drive shaft 48 and the feed wheel 182 is 9 to l.
  • the diameter of the feed wheel 182 is about 2 inches and the diameter of the feed wheel 206 is about five-eighths inch.
  • the feed wheels 182 and 206 comprise the endless feed means which feed the tags successively from the stack S to the pinning zone PZ.
  • the endless feed means could comprise belts instead of feed wheels or combinations of belts and wheels.
  • the provision of endless feed means enables a variety of sizes of tags T having as small a tag size as 1 inch wide by 1.9 inch long to 3.375 inches wide by inches long to be fed and yet there is no need for feed fingers which have such a long stroke.
  • the feed fingers 121 only finally position the tag T at the pinning zone PZ and that even for long tags such as 5 inches or greater in length, a stroke of l /2 inch for the feed fingers 121 is ample.
  • a tag T is fed from a waiting position W at the beginning of a cycle, the tag T arrives at the pinning zone PZ in ample time.
  • the tag T loses contact with the feed wheel 182 upstream of the pinning zone PZ, but this enables the feed fingers 121 to perform the final positioning.
  • the feed wheels 182 and 206 rotate throughout the machine cycle, they do not feed a tag T out of the hopper H until near the end of the cycle when pusher 120 moves toward the front of the machine (to the left in FIG. 10) to allow the feed wheels 182 and 206 to feed the endmost tag T to the waiting position W.
  • This arrangement is more versatile than prior arrangements which have used feed fingers for separating a tag from a stack and for feeding the tag to the pinning zone.
  • a pinning machine comprising: a die, a plunger cooperable with the die, means for driving a pin through a tag and merchandise at a pinning zone between the die and the plunger to pin the tag to the merchandise, means for feeding a tag from a stack of tags to the pinning zone, the feeding means including endless feed means driven continuously throughout an operating cycle of the machine so that the feeding of a tag in a waiting position in frictional contact with the endless feed means starts at the beginning of the cycle, the endless feed means being positioned upstream of the pinning zone so that the tag loses contact with the endless drive means upstream of the pinning zone, means downstream of the endless feed means for positioning the tag at the pinning zone, and means operative only near the end of the cycle for causing the endless feed means to separate a tag from the stack and feed it to the waiting position, and means for driving the plunger, the pin driving means, and the feeding means.
  • the driving means includes means for driving the endless feed means and the tag positioning means at speeds sufficiently high so that a tag of up to at least about five inches in length reaches the pinning position before the plunger cooperates with the die, wherein the tag positioning means comprises a movable feed finger having a stroke of substantially less than 5 inches.
  • a pinning machine comprising: a die; a plunger cooperable with the die; a pin magazine for driving a pin through a tag and merchandise at a pinning zone between the die and the plunger to pin the tag to the merchandise; a pin feeder for feeding pins to the pin magazine; means for feeding a tag from a stack of tags to the pinning zone; the feeding means including endless feed means cooperable directly with the stack for both separating a tag from the stack and feeding the separated tag toward the pinning zone, so that a tag is fed from a waiting position toward the pinning zone during one part of an operating cycle of the machine, and means for causing the endless feed means to separate a tag from the stack and feed it to the waiting position during a subsequent part of the cycle; and means for operating the plunger, the pin magazine, the pin feeder and the tag feeding means.
  • a pinning machine comprising: a die; a plunger cooperable with the die; means for driving a pin through a tag and merchandise at a pinning zone between the die and the plunger to pin the tag to the merchandise; means for feeding a tag from a stackof tags to the pinning zone, the feeding means including endless feed means driven continuously throughout an operating cycle of the machine so that the feeding of a tag in a waiting position in frictional contact with the endless feed means starts at the beginning of the cycle, and means operative only near the end of the cycle for causing the endless feed means to separate a tag from the stack and feed it to the waiting position; and means for driving the plunger, the pin driving means, and the feeding means.
  • the driving means includes means for driving the endless feed means at a peripheral speed sufficiently high so that a tag of up to at least about 5 inches in length reaches the pinning zone before the plunger cooperates with the die.
  • a pinning machine comprising: a die, a plunger cooperable with the die, means for driving a pin through a tag and merchandise at a pinning zone between the die and the plunger to pin the tag to the merchandise, means for feeding pins to the pin driving means, means including endless feed means for feeding a tag to the pinning zone, a drive system including an electric motor, a speed reducer driven by the electric motor, a clutch coupled to the speed reducer, and a drive subsystem driven by the clutch for driving the plunger, the pin driving means, the pin feeding means and the tag feeding means through one cycle of operation each time the clutch is engaged, and means for disengaging the endless feed means from the drive subsystem to facilitate clearing of a jam in the tag feeding means.
  • a pinning machine comprising: a die, a plunger cooperable with the die, a pin magazine for driving a pin through a tag and merchandise positioned between the die and the plunger to pin the tag to the merchandise, means for transferring to the pin magazine, means for receiving a stack of tags, means for feeding a tag from the stack to a pinning zone between the die and the plunger including endless feed means for feeding a tag from a waiting position toward the pinning zone and means for thereafter effecting relative movement between the endless feed member and the stack for feeding a tag from the stack to the waiting position, and means for operating the plunger, the pin transferring means, the pin magazine, and the endless feed means.
  • the tag feeding means including means driven by the operating means for positioning the tag between the die and the plunger.
  • the endless feed means includes a feed wheel operated by the operating means for facilitating feeding of the tag to the waiting position.
  • a pinning machine comprising: means for feeding tags from a stack to an attaching zone including endless feed means, means for driving the endless feed means through a cycle in which (a) a tag is fed during one part of the cycle from a waiting position in contact with the endless feed means toward the attaching zone and (b) another tag is thereafter fed from the stack to the waiting position during a subsequent part of the cycle, and means for effecting relative movement between the stack and the endless feed means during the subsequent part of the cycle for effecting the feeding of the other tag to the waiting position, means for attaching to merchandise the tag which is in the attaching zone, and means for operating the feeding means and the attaching means.
  • the feeding means further including a feed finger downstream of the endless feed means for positioning the tag at the attaching zone.
  • the endless feed means includes first and second feed wheels, the first and second feed wheels being operable to feed the tag to the waiting position and the first feed wheel being operable to thereafter resume feeding the tag from the waiting position toward the attaching zone.
  • the endless feed means includes a rotatably mounted feed wheel, a roller assembly having a plurality of spaced apart rollers in contact with the feed wheel, means for resiliently mounting the roller assembly for relatively movement toward and away from the feed wheel, and means for resiliently mounting the rollers in the roller assembly.
  • the endless feed means includes a rotatably mounted feed wheel, a plurality of spaced apart rollers, and means for urging the rollers toward the feed wheel to urge the tag into frictional contact with the feed wheel.
  • a pinning machine comprising: a frame including a subframe; means for pinning a tag to merchandise comprising a die, a plunger mounted by the frame and cooperable with the die, means for driving a pin through a tag and merchandise at a pinning zone between the die and the plunger, and means for feeding pins to the pin driving means; means mounted by the subframe for feeding tags to the pinning zone; means for driving the plunger, the pin driving means, the pin feeding means, and the tag feeding means; and means movably mounting the subframe and its tag feeding means relative to the frame to provide easy access to the tag feeding means.
  • switch means for rendering the drive means selectively effective and ineffective means operable when the subframe is moved relative to frame from an initial position to provide easy access for preventing the switch means from being effective until the subframe is returned to its initial position and the switch means is manually operated to the effective position.
  • a pinning machine comprising: a die, a plunger cooperable wih the die, means for driving a pin through a tag and merchandise at a pinning zone to pin the tag to the merchandise, means for receiving a stack of tags, means for feeding a tag from the stack to the pinning zone, a side guide urged against side of the stack and being relatively movable to accommodate tags of various widths, and means movable as a unit with the side guide for holding the tag at the pinning zone.
  • a pinning machine comprising: a die, a plunger cooperable with the die, means for driving a pin through a tag and merchandise at a pinning zone to pin the tag to the merchandise, means for receiving a stack of tags, a side guide urged against the side of the stack to accommodate tags of various widths, means for sensing when a selected number of tags remains in the

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US00320340A 1973-01-02 1973-01-02 Pinning machine Expired - Lifetime US3837554A (en)

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US00320340A US3837554A (en) 1973-01-02 1973-01-02 Pinning machine
JP48144619A JPS49102300A (enrdf_load_stackoverflow) 1973-01-02 1973-12-27
US456711A US3887107A (en) 1973-01-02 1974-04-01 Pinning machine
US456712A US3918143A (en) 1973-01-02 1974-04-01 Tag feeding and attaching method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939542A (en) * 1973-04-11 1976-02-24 COMATEL -- Comptoir Europeen de Materiel Electronique Method for inserting connecting pins in a printed circuit and machine for executing said method
US4023254A (en) * 1975-12-18 1977-05-17 Monarch Marking Systems, Inc. Pinning method and apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450600A (en) * 1977-09-29 1979-04-20 Nippon Oil Co Ltd Preparation of polyhexamethylene polyamine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971963A (en) * 1933-01-30 1934-08-28 Monarch Marking Systems Inc Pin ticketing machine
US2779593A (en) * 1953-07-08 1957-01-29 Cummins Chicago Corp Feeder for checks and like paper
US3173684A (en) * 1962-10-31 1965-03-16 Sperry Rand Corp Document feeder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971963A (en) * 1933-01-30 1934-08-28 Monarch Marking Systems Inc Pin ticketing machine
US2779593A (en) * 1953-07-08 1957-01-29 Cummins Chicago Corp Feeder for checks and like paper
US3173684A (en) * 1962-10-31 1965-03-16 Sperry Rand Corp Document feeder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939542A (en) * 1973-04-11 1976-02-24 COMATEL -- Comptoir Europeen de Materiel Electronique Method for inserting connecting pins in a printed circuit and machine for executing said method
US4023254A (en) * 1975-12-18 1977-05-17 Monarch Marking Systems, Inc. Pinning method and apparatus

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