US594905A - Tack-driving machine - Google Patents
Tack-driving machine Download PDFInfo
- Publication number
- US594905A US594905A US594905DA US594905A US 594905 A US594905 A US 594905A US 594905D A US594905D A US 594905DA US 594905 A US594905 A US 594905A
- Authority
- US
- United States
- Prior art keywords
- tack
- throat
- chute
- casing
- arm
- Prior art date
- 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
Links
- 210000003800 Pharynx Anatomy 0.000 description 48
- 210000001847 Jaw Anatomy 0.000 description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 210000000080 chela (arthropods) Anatomy 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000994 depressed Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 101700067757 RND3 Proteins 0.000 description 2
- 235000001211 Talinum portulacifolium Nutrition 0.000 description 2
- 240000004958 Talinum portulacifolium Species 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000002045 lasting Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D75/00—Nailing devices on pulling-over or lasting machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S12/00—Boot and shoe making
- Y10S12/01—Lasting machines, fluid-actuated
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Description
,(No Model.) 3 Sheets-Sheet 1f.
"1'. C. ROBINSON.` TACK DRIVING MACHINE,
No. 594,905. Patented Dee. 7,1897.-
E Jn
s Vim/ENTER:
9. t. 8 e h S e 8 h S 3 N 0 S N I B O R C. T .mw d. 0 M 0 1N\ .l TACK DRIVING MACHINE. No. 594,905.A
Patented Dec. 7, 1897.
www
3 Sheets-Sheet 3.
(No Mode-1;.)
T. C. ROBINSON.- TACK DRIVINGMAGHINE.
THOMAS C. ROBINSON, or
N-ITED f STATES fATeNT' rrrcn.
BOSTON, MASSACHUSETTS, AssIeNORfoF FIVE- x -EIeuTHs To E. B. WELCH 'AND ARTHUR E. DENIsON', OF CAMBRIDGE,
MASSACHUSETTS.
TACK-olfuvme. MACHINE. i
SPECIFICATION forming part of Letters Patent N o. 594,905, dated December 7, 18,97.
Application filed January 13, 1896. Serial No. 575,199. (No model.)
To a/ZZ whom it may concern:
, Be it known that I, THOMAS` C.- ROBINSON, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Tack-Driving Machines, of which the following is a specification.
This invention relates to a tack-driving ma- Vchine of the type shown in my Letters Patent organized to project and retract the driver,. a hand-operated motor-controlling switch Onthe casing, and electrical connections between said switch and motor whereby the motor is caused to project or retract the driver. Said machine also comprises tack-let-off mechanl ism and work-controlling pincers connected 1 .9. Fig. 11 represents a section on line 11 11,A
with the casing, so that the operator can last the upper and secure it during the lasting Operation by^tacks driven by the said driver.
The present in-vention has for its object to improve the construction of a machine of the characterset forth in my previous application in such manner as to render its operation more satisfactory in certain particulars hereinafter pointed out. 3
The invention consistsin the improvements which I will now claim. i
Of the accompanyingdrawingsg'forming apart-Of this specification, Figure 1 represents a side elevation of my improved tack-driving machine. Fig. 2 represents a section on line 2 2 of F-ig. 1. Fig. 3 represents a section on line .3 3 of Fig. 2. Fig. 4 represents a section on line et 4 of Fig. 1. Fig. 5 represents a section on line of Fig. 4. Figs. 6 and? are lviews similar to Fig. 5. perspective view of a portion of the tack-letoi mechanism. Fig. 9 represents a partial side elevation and partial section of the machine. Fig. 10 represents a section on line 10 10, Fig.-
5o Fig. 6. Fig. 12 representsa side view ofthe proceed .to describe and` Fig.. 8 represents a represents a side elevation showingy the mapreferred construction of pincers. Fig. 13
chine supported by a circular track. Fig, 14- .i
represents'an elevation taken from a different point, parts being in section. Fig. 15 represents a section on line 15 l5, Fig. 13.
The same letters and numerals of reference indicate the s'arhe parts in all the figures.
. In the drawings, a represents a tubular casing, which is made. of iron and of such form that it can be'readily grasped in the hand. The casing is preferably suspended from a support overheadby means of a bail a and a suitable suspension device. (Not shown.)
b and b represent two solenoid's arranged end to end within the casing and insulated therefrom by plates b2 of insulating material. Within the solenoids is an inner tube b3, in which the The tube b3 is .connected with the casing aby iron plates b4. The plates b2 and b4 are secured in place by their frictional engagement with the tube b3 and the casing, but they'may be fastened by screws or in any other desirable way. The solenoids are included in -a includes the solenoid b and thel other the solenoid vb', the electrical connections being substantially as shown in my "above-men-` tioned application.
d represents a switch, which is adapted to close the circuit through either branch and break the circuit through the other. p switch is mounted on an arm d4, pivoted to a suitable support or bearing connected with the casing a, the switch cooperating with contact-springs Tand 8. When the switch is in contact with one of the said springs, it closes the circuit through one solenoid, and when iny Contact with the other spring it closes the circuit through the other solenoid, the two solenoids being thus alternately energized, as described inv my previous application, so
vthat the Operator is enabled by oscillating the switch to alternately vraise or retract and plunger or core c reciprocates.
The
project the core or plunger c, which is movable in the two solenoids;
The driver e is connected and` when the latter is ,with the core c, projected or depressed the; driver is forced into a tack-deliveringloo j branched electric circuit, onebranch of which 4 3oV oscillating'motion about said pivot m3,
" throat or nozzle f, aiiixed to the casing a, and
vthus caused to drive a tack supplied to said throat, by the means hereinafter described,
Y into theupper and sole of alasted boot or shoe suitably held for the action of the machine.
Imake the coils or helices of the solenoid of 'aluminium Wire, thereby greatly decreasing the weight of the apparatus and enabling 51o -it to be much more conveniently manipulated.
The iron casing a and the internal iron tube b", connected, as described, with the casing,
constitute a holder for the solenoid which increases its effective force and prevents diffu- '15 sion of the electric current, the casing a by also adding to the '20 are pivotally connected at las to a ring or socket 154, fitted to rotate in a circular casing m', affixed to an arm m2, which is connected bya pivot m3 with an arm or bracket m, atiixed to the lower end of the casing a. The
d represents a switch operating lever which is pivot-ed at d2 to the bracket m and 4o pis connected by arod d3 to the pivoted arm d4,which supports the switch d. The lever d is arranged'in such proximity to the handles of the pincers that it can be manipulated by the same hand that holds the pincers, so that the operator after adjusting the upper can cause the operation of the driver and the insertion of a tack to hold the upper at the point where it was last adjusted.
In Fig. 12 I show a construction of the pin- 5o eers whereby the outer jaw is moved "toward ,and from the corresponding jaw without moving downwardly to any considerable extent and therefore without a tendency to raise themachine from the work. In this gur'e the jaws are designated 705 k6, the jaw ki being formed on one of the handles k2, as inthe construction first described, while the jaw k6 is pivoted at k7 to the jaw k5 and connected by a link ks with the other handle 7a2, said link and the end of the handle to which itis connected constituting a toggle-joint which imparts a forward and backward movement to the jaw k,.the1novement being substantially horizon-tal, with no tendency to raise the machine from the boot or shoe. p t represents a circular tack-reservoir which is .fnnunted to rotate on a stud fi', affixed to an arm i2 on the casingla. Said reservoir has curved buckets is, Figs. 2 and 3, on its inner periphery, which elevateA the tacks when the reservoir is rotated and drop them into the upper end of the chute j. One side of the reservoir has an opening i, Fig. 2, into which projects an inclined wing or guide j' on the chutej, said guide being arranged to deflect the tacks which fall upon it from the buckets 1? into the chute. A fixed casingjz, attached to the arm 112, covers the opening i* and guides the tacks that failover the chute back into the lower portion of the reservoir.
A cam-groove 'i5 surrounds the opening t" in the tack-reservoir and engages a roll on an arm i, which is affixed to a sleeve 1?, mounted to oscillate on a stud '119, afxed to the casing j2. An arm 'im is affixed to the sleeve 7 and is oscillated by the arm i6. The arm 1 has a spring-pressed foot or extension is, which sweeps over the upper end j* of the chute guard or cover 7'5 and over a portion of the chute above the guard and agitates or stirs the tacks to prevent them from accumulating in a clogged mass on the chute and insure the proper entrance of a sufficient number of tacks into the chute.
The reservoir 'i is rotated step by step 'by means of an arm o, afiixed to the pincer-jaw k', an arm o', mounted to oscillate on the reservoir-supportin g stud vl', said arms being connected by a'rod 04, and a pawl o2, mounted on the arm o and engaging an internal ratchet o3, aiixed to the tack-reservoir. Each closing movement of the jaw k imparts a forward movement to the pawl o2 andcauses a correspending movement of the reservoir.
The tacks are supplied one at a time to the throatf by an improved let-off mechanism, as follows: A slide fr is fitted to move in guides r' r', Fig. 4, acrossV the throat f and has `an oblique opening r2, through which the tacks are adapted to pass from the chute to the throat, the latter having an opening with which the opening r2 coincides when the slide, which moves back and forth across the throat, reaches a given point in its movement. The slide r is provided on its outer side with a rib or picker r3, having one end beveled to form an oblique face r4, which is in line with one side of the oblique opening r2. The lower end j, Fig. 1l, of the chute projects into a slot 'rf' in the slide r, said slot being above the rib rs, as shown in Fig. 8. The chute has an opening 3'7, Fig; l1, below the end j, .for the reception of the said rib. The tacks arc therefore delivered by the chute against the outer side of the slide r, as shown in Fig. 6, the lowest tack being in the path of the rib or picker r3. When the slide moves, as indicatedby the arrow in Fig. 6, the picker engages the lowest tack and detlects it into the voblique opening 12, .through which it passes IOO.
IIO
into the throat f,'as indicated in Fig. 7, the
picker arresting` the column of tacks in the chute at all times, excepting when it isinthc position shown in Fig. 6.
The slide r is moved back and forth across the throat f by the following means: s represents a rod, which is movable in guides s s on'the casing a and is bent over at its upper end so as to be Within the path of the plunger c, said rod being moved upwardly by the plunger when the latter is completing its upward movement. The lower end of the rod s vis connected to one arm of an elbow-lever s2, Fig. 4, which is pivoted at .s3 to the bracket or frame at the lower end of the casing. The other arm of the lever s2 is connected by a rod or link s4 with the slide r, said rod being curved to enable it to extend across the lower portion of the chute. The rod s .is of iron, and is therefore attracted by the core or plunger c, so that when the plunger descends it depresses the rod s. The said rod is therefore reciprocated vertically by the movements of the plunger and reciprocates the slide .r horizontally through the lever s2 and rod s4.
When the plunger is elevated by the solenoid b, it raises the rod s and causes the latter to first move the slide fr from the position shown in Fig. 6 to that shown in Fig. 7, the picker being thus caused to transfer the lowest*I tack to the throat, as described.
When the core is. depressed by the lower solenoid b', it dcpresses the ,rod s and causes it to move the slide ll' backto the position shown in 6, thus removing the rib or picker from the path of the tacks and allowing the column to advance one tack. The operation is thus repeated, a tack bein g admitted to the throat during each ascent of the driver.
The rod s being of iron and having a much shorter movement than the plunger, reaches the limit of its downward movement and is arrested before the plunger has commenced to drive the tack. Hence the rod by its adhesion to the .plunger resists the'downward A The frame which supports the pincer-jaws and throat may be of non-magnetic metal to insulate said jaws and throat from the electric motor, thus enabling the jaws and the tip of the throat to bermade of steel for the sake of strength and durability. The same result may be secured by making the frame of iron n snitable mechanical connection of insulat- ',011 steel and insulating it from the motor by ing material.. s Toijlacilitate the manipulation of the machime bytthe operator who has occasion to fresupport the weight thereof, the casing-being supported 'by the track in all positions it is required to assume.
I claim- 1. ln a tack-driving machine, the combination with two solenoids insulated from each other, a driver operated by the solenoids, and means for delivering tacks to the action of the driver, of an inner tube surrounded by the coils of. the solenoids, and projecting at the ends beyond said solenoids, insulated plates secured to. the ends of the inner tube and projecting laterally beyond the solenoids, and a metalliccasing having its ends connected to said plates and separated thereby from the solenoids. v
2. In a tack-driving machine, the combination with a supporting-frame having a tackdelivering throat, a driver movable in said throat, and means for operating the driver, of an arm pivoted to the frame, a socket formed on the arm, and a pair of pincers rotatively engaged with the socket.
3. `A pair of pincers comprising an inner jaw having a handle, an outer jaw pivoted to the inner jaw at a point above the grasping portions of the jaws, a link pivoted to the outer jaw, and ahandle pivoted to said link and to the handle of the inner jaw.
4. ln a tack-driving machine, the combination of a supporting-frame having a tack-deliverin g throat, a driver, means supported by the frame for operating the driver, a rotary tack-reservoir for delivering tacks to the throat, a pair of pincers connected with the frame, and connections between said reservoir and the pincers, whereby the reservoir is rotated when the pincers are being operated.
5. In a tack-driving machine, the combination of a supporting-frame having atack-delivering throat, a driver-carrying metallic plunger movable in said frame, electrical means substantially as described for reciprocating said plunger and by which the plunger is temporarily magnetized, a tack-chute communicating with the throat, a tack controlling or feeding slide movable across the throat, and a metallic rod movable on the casing and connected at one end with said slide, its other end being arranged to be attracted to, and operated bythe plunger, as set forth.
6. In a tack-drivin g machine, the combination of a motor, a motor-casinghaving rollers, a circular track supporting said rollers, and means for supporting said tgack.
'7; In a tack-driving machine, the combination of a' supporting-frame provided with a tack-delivering throat, a tack-chute com- IIO municating with said throat, a driver and operating mechanism therefor, a rotary tackreservoir communicating with the tack-chute and provided with a cam-groove, means for rotating said reservoir, a tack-agitator pivoted to a support on the tack-chute, and a connection between said agitator and the calngroove whereby motion is communicated from the cam-groove to the agitator.
8. In a tack-driving machine, the combination of a supporting-frame provided with a tack-delivering throat, a tack-chute communicating with said throat, a chute guard or cover having an end j, a driver and operating mechanism therefor, a rotary tack-reservoir communicating with the tack-chute whereby a positive motion in either direction is imparted to the tack-agitator to sweep it over the end j4 of the said guard, and the tackchute.
I n testimony whereof I'have signedmy name to this specification, in the presence of two subscribing witnesses, this 26th day of December, A. D. 1895. v v
, THOMAS C. ROBINSON.
"Witnesses:
C. F. BROWN, A. D. ADAMS.
Publications (1)
Publication Number | Publication Date |
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US594905A true US594905A (en) | 1897-12-07 |
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US594905D Expired - Lifetime US594905A (en) | Tack-driving machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3141171A (en) * | 1961-12-22 | 1964-07-21 | Fastener Corp | Electric power tool |
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0
- US US594905D patent/US594905A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3141171A (en) * | 1961-12-22 | 1964-07-21 | Fastener Corp | Electric power tool |
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