US1056405A - Horn-operating mechanism of slugging, nailing, or like machines. - Google Patents
Horn-operating mechanism of slugging, nailing, or like machines. Download PDFInfo
- Publication number
- US1056405A US1056405A US55626310A US1910556263A US1056405A US 1056405 A US1056405 A US 1056405A US 55626310 A US55626310 A US 55626310A US 1910556263 A US1910556263 A US 1910556263A US 1056405 A US1056405 A US 1056405A
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- US
- United States
- Prior art keywords
- horn
- spindle
- nut
- spring
- work
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/22—Arrangements for turning or tilting vices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/28—Means for securing sliding members in any desired position
Definitions
- One object of my invention is to insure a heavy pressure being exerted on the work by the spring whereby the horn is raised so as to insure the several thicknesses of material being compacted without however necessitating the exercise by the operator of Aa heavy counter pressure ⁇ on the treadle to lower the horn.
- my invention contemplates the use in combination'o a screw-threaded horn stem or spindle, a screw-threaded nut for raising 'and lowering the horn, a spring which has a constant tendency to rotate the said nut and thus raise the horn, and means adapted to be operated automatically by a. moving part of the machine whereby at the proper time and when the work has been compacted or compressed by the horn Spindle the nut is locked, the horn spindle being at the same time supported -on a cam block whereby the, thrust or blow delivered on the insertion or driving of the. fastening will be 55 effectively resisted.
- the cam block is to be work to be inserted or removed the said parts to adjust the1nsclve.- to varying thicknefses of the work and to permit thc horn to be depressed in the usual manner for the insertion or removal ot' the work.
- Figure, 1 is a vertical sectional view and partial side' elevation ot' horn operating mechanism embodying a practical form ot my invention; Fig. 2 and sectional View on an enlarged scale ot' parts shown in Fig. 1.
- a vertical bearing tixedly carrying the horn post c Supported in bearings c within the horn post is the horn stem or spindle which may consist-of two parts (l, a adjustably connected together for example f by splitting the lower end of thc part Z and providing a collar /rhaving a set screw /z the tightening up ot' which will cramp the split end of d on the previously inserted part d.
- the set screw /z is made to pass whereby said set screw in addition to the function already described will also serve to prevent rotary movement ot' the horn while permitting vertical movement thereof.
- the horn spindle is formed with a screw thread g with which a nut j engages and the rotation of which latter in one direction orthe other will serve to raise or i/Mr the horn.
- the nut j provided with a depending sleeve or spindle 'a' on which a toothed orcrown'wheel /a is fixed and supported on a horizontal pin 20 screwed into a block B is a crown or toothed wheelv 22 which gears with the ,wheel /r.
- Thcsleeve 19 is provided at its outer end with a-c'ollar or equivalent 17 having screwed apertures one of which contains a set screw 16 with a pointed end to enter 'any one of a series of apertt'ires or counter-sinks 21 in the spindle 20 and the other contains a set screw 18 to act against the pin Q0 but incapableof entering the apertures or countersinlts 21.
- the sleeve 19- inay be rotated rel-v atively to the box 12 and by this means the 80 through a vertical slot in the horn lpost lequiredtension put on the spiral spring 13.
- the part I of the friction clutch into firm The set screw 18 may serve as a brake to engagement with the back of the crown wheel le and thereby prevent rotation thereprevent the accident-al unwinding of the spring during the regulation of its tension.
- the spring 13 On releas- ⁇ ing.'th e treadle the spring 13 will effect the 'rinsing of the vhorn and vby reason of the ,tension of' the Ispring being exerted through the and screw g a considerable pressure w1ll e exerted on the work although a .comparativelylight pressure on the treadle. will serve to depress the horn.
- crown wheel I provide a hollow co'ne ⁇ I slidable on said spindle but prevented vfrom rotating by a pin m passing through the lhorn support, and having a roller ⁇ m .engaging a vertical slot in the boss of said hollow cone I and I provide a levertfz/ mounted on a suitable part of the standard a which at one end is engaged with ,said boss by pins g/ and at its other end witha cam groove e of a cam disk W carried on the usual vertically supported driving Ashaft.
- the parts being constructed and arranged that so soon as the work has been compressed bythe spring 13, the cam groove z wllloperate to permit a spring tgrptlll,
- fastcn-ingthe work is Ifed by any suitable feed mechanism and to facilitate such feeding it is desirable that the work bc freed from the pressure acting thereon and to effect this 1 arrange that the parts (l, g, j, le, 22 and 2() are movable to a slight extent downward immediately such nail or fastening has been inserted.
- the extent of such movement may be approximately one-eighth of an ⁇ inch which will in practice be suiii.
- this l mount the spindle 20 on the vertically slidable block l5 whose bottom part or end (1 rests on a cam shaft or spindle s a suitable ball bearing n, o, o1 *being provided on which the spindle z' is rotatably carried when the parts are free.
- the spindle s is formed with a flat portion r and is provided with a crank arm rl engaged by the bifurcated end of a lever U whose opposite end engages with a cam groove V in the cam disk 'V the parts being so constructed and arranged that immediately after a fastening ⁇ has been inserted the said groove V rocks the lever U and this in turn rocks the shaft s to an extent to bring the flat' portion thereof under the ⁇ part g of the sliding block thereby allowing said block and the parts 20, 22, la, i', j, g, and cl to drop to the slight extent necessary as aforesaid.
- the feed next takes place and immediately this has been effected the cam groove V acting through the lever U restores the said parts to their raised position.
- a vert-i- ,cally slidable horn-supporting block antomatieally controlled means forsupporting the said block rigidly at ditferent heights in ditt'erent stages of the cycle vof operations, a
- a vertically slidable horn supporting block Ina machine for inserting fastenings in boots, shoes and leather Work, a vertically slidable horn supporting block, a horizontal rigidly supported rotatable shaft upon which the said block bears and which is formed with a flat portion, a'screw-threaded non-rotatable horn spindle movable vertically relat-ively to the said block, ascrewthreaded nut in 4en ⁇ . g'agement 'with the screw.
Description
M. fr. DPNNB.
HORN OPERATING MEGHANISM OP SLUGGING, NAILING, 0R LIKE MACHINES.
` APPLICATION I ILPD APR. 18, 1910.
Paten-eed Mar. 18, 1913.
M.v 1.35MB. HORN OPERATING MBCHANISM' 0F SLUGGING, NAILING, 0R LIKCHINES.
' APPLICATION FILED APR. 18, 1910 Patented Marv.18,41913.
2 SHEETS-SHEET 2.
noms rmns. Inc um4 msmumou, u. c
MARK THQMAS DENNE, F RUSHDEN, ENGLAD.
HORN-OPERATIN G IMECHANISM OF SLUGGIN-G, NAILING, OB, LIKE MACHINES.
Specification of Letters Patent.
Patented Mar. 18, 1913.
Application filed April 18, 1910. Serial No. 556,263.
horn being normally retained in its raised position by a spring.
One object of my invention is to insure a heavy pressure being exerted on the work by the spring whereby the horn is raised so as to insure the several thicknesses of material being compacted without however necessitating the exercise by the operator of Aa heavy counter pressure` on the treadle to lower the horn. This it will be -readily realized is a matter of considerable moment in machines ot' the character indicated as the less pressure that tlie operator has to exert in lowering the horn, the greater will' be the ultimate out ut of the machineas the operator is enab ed to continue for a longer period to4 operate the machine at its full caacity than he could if he had-to exert a ieavy pressure on the treadle to lower the horn. v My invention further also comprehends means to et'ectvautoniatically the elimination of all back-lash 'in the parts whereby the horn is held in its' raised position as will be described.
To this end my invention contemplates the use in combination'o a screw-threaded horn stem or spindle, a screw-threaded nut for raising 'and lowering the horn, a spring which has a constant tendency to rotate the said nut and thus raise the horn, and means adapted to be operated automatically by a. moving part of the machine whereby at the proper time and when the work has been compacted or compressed by the horn Spindle the nut is locked, the horn spindle being at the same time supported -on a cam block whereby the, thrust or blow delivered on the insertion or driving of the. fastening will be 55 effectively resisted. The cam block is to be work to be inserted or removed the said parts to adjust the1nsclve.- to varying thicknefses of the work and to permit thc horn to be depressed in the usual manner for the insertion or removal ot' the work.
Figure, 1 is a vertical sectional view and partial side' elevation ot' horn operating mechanism embodying a practical form ot my invention; Fig. 2 and sectional View on an enlarged scale ot' parts shown in Fig. 1.
In said drawing c is a suitable standard and I) a vertical bearing tixedly carrying the horn post c. Supported in bearings c within the horn post is the horn stem or spindle which may consist-of two parts (l, a adjustably connected together for example f by splitting the lower end of thc part Z and providing a collar /rhaving a set screw /z the tightening up ot' which will cramp the split end of d on the previously inserted part d. The set screw /z is made to pass whereby said set screw in addition to the function already described will also serve to prevent rotary movement ot' the horn while permitting vertical movement thereof.
is a front elevation At or near its lower end .the horn spindle is formed with a screw thread g with which a nut j engages and the rotation of which latter in one direction orthe other will serve to raise or i/Mr the horn. The nut j provided with a depending sleeve or spindle 'a' on which a toothed orcrown'wheel /a is fixed and supported on a horizontal pin 20 screwed into a block B is a crown or toothed wheelv 22 which gears with the ,wheel /r. Fixed to the wheel 22 is a box 1Q containing a spiral spring 13 one end ot' which is fixed to the box 12 and the other to a sleeve 19 mounted on the spindle Q0. Thcsleeve 19 is provided at its outer end with a-c'ollar or equivalent 17 having screwed apertures one of which contains a set screw 16 with a pointed end to enter 'any one of a series of apertt'ires or counter-sinks 21 in the spindle 20 and the other contains a set screw 18 to act against the pin Q0 but incapableof entering the apertures or countersinlts 21. By unscrewing 1G until it is clear of the countersinks 2]. the sleeve 19- inay be rotated rel-v atively to the box 12 and by this means the 80 through a vertical slot in the horn lpost lequiredtension put on the spiral spring 13. the part I of the friction clutch into firm The set screw 18 may serve as a brake to engagement with the back of the crown wheel le and thereby prevent rotation thereprevent the accident-al unwinding of the spring during the regulation of its tension.
Opposite to the side at which said box is secured to the crown wheel 22 I provide or 'form said box with a central boss 14 having .ian annular lgroove 15 to receive a chain 8.
'One 'end of said chain is secured to the boss 14`and the other to one arm 7 of a bellcrank or two armed lever pivotally mounted at the lower 'end of the horn post the -other arm 5' of which is connected bv a chain 4or equivalent to a foot treadle 3ft-he arrangement-being such that by depressing the treadle 3 the arm 7 will pull on the' chain Sgand thereby rotate the crown wheels 22 id c` and the latter rotating the nut j will force .down the horn d to permit of the invlertion or removal of the work. On releas- `ing.'th e treadle the spring 13 will effect the 'rinsing of the vhorn and vby reason of the ,tension of' the Ispring being exerted through the and screw g a considerable pressure w1ll e exerted on the work although a .comparativelylight pressure on the treadle. will serve to depress the horn.
l ,It is desirable when for example a nail is being driven into. the work that the horn offer a solid resistance to the blow despring pressure employed to raise the horn must be strong enough to properly compress or presstogether the several thicknesses of material4 yetin practice it is not desirable to rely on such pressure alone "to withstand the blow of the ham- -mer or the4 force exerted when a screw -or other fastening is being driven or inserted into the work. In order to offer a solid resistance I provide means whereby afterthe spring 143 has effected the compression-of the work in the manner described, 'the crown wheel la is locked to prevent ro'- tation thereof whereby the depression of the horn.l isrendered impossible and vrto effect locking I form the crown wheel 7c with a solid and slightly tapering back to serve as one member of a cone or friction .clutch and on the spindle e' immediately above said'. crown wheel Iprovide a hollow co'ne` I slidable on said spindle but prevented vfrom rotating by a pin m passing through the lhorn support, and having a roller `m .engaging a vertical slot in the boss of said hollow cone I and I provide a levertfz/ mounted on a suitable part of the standard a which at one end is engaged with ,said boss by pins g/ and at its other end witha cam groove e of a cam disk W carried on the usual vertically supported driving Ashaft. X the parts being constructed and arranged that so soon as the work has been compressed bythe spring 13, the cam groove z wllloperate to permit a spring tgrptlll,
fastcn-ingthe work is Ifed by any suitable feed mechanism and to facilitate such feeding it is desirable that the work bc freed from the pressure acting thereon and to effect this 1 arrange that the parts (l, g, j, le, 22 and 2() are movable to a slight extent downward immediately such nail or fastening has been inserted. The extent of such movement may be approximately one-eighth of an`inch which will in practice be suiii.
cient not only to relieve the pressure on the 'work but also to permit the horn to adapt itself to any variation in the thickness of the work as it is fed forward to receive the next fastening. 'lo effect this l mount the spindle 20 on the vertically slidable block l5 whose bottom part or end (1 rests on a cam shaft or spindle s a suitable ball bearing n, o, o1 *being provided on which the spindle z' is rotatably carried when the parts are free. The spindle s is formed with a flat portion r and is provided with a crank arm rl engaged by the bifurcated end of a lever U whose opposite end engages with a cam groove V in the cam disk 'V the parts being so constructed and arranged that immediately after a fastening` has been inserted the said groove V rocks the lever U and this in turn rocks the shaft s to an extent to bring the flat' portion thereof under the `part g of the sliding block thereby allowing said block and the parts 20, 22, la, i', j, g, and cl to drop to the slight extent necessary as aforesaid. The feed next takes place and immediately this has been effected the cam groove V acting through the lever U restores the said parts to their raised position. It will be observed that while the parts referred to are depressed or lowered the part le is disengaged from I and this momentary disengagement permits the spring 13 to adapt the relative position of the horn to the thickness of the work presented when the feed has taken place. The downward movement of the parts as aforesaid may be assisted by a spring t. By reason of the spring 13 always tending to rotate the wheels 22 and c and the nut j on the screw g there is constant metallic contact between said parts by which relative movement between said parts is Drevented when pressure is brought to bear on instrumentality of any known suitablemeans and as these form no part of my invention I do not illustrate them. y
What I claim as my invent-ion and desire to secure by Letters Patent is 1. In-a machine for'- inserting fasteni-ngs in boots, shoes and leather work, the combination ofv a longitudinally movable screwt'hreadedhorn spindle, a screw-threaded nut in engagement with the screw-thread on the said spindle, a spring which has a constant tendency to rotate the said nut in the direction t'o raise they-horn, a lever adapted to act through the said spring to rotate the nut in the opposite direction to lower the horn, means tor 4autonmtieally locking the said nut, and means for rigidly supporting the horlnspindle while the fastening is being inserted.
2. In a machine for inserting fastenings in boots, shoes and leather work, a vert-i- ,cally slidable horn-supporting block, antomatieally controlled means forsupporting the said block rigidly at ditferent heights in ditt'erent stages of the cycle vof operations, a
screw-threaded horn spindle movable verti-l eallywrelatively to thel said block, a screwthreaded nut in engagement with thethrea'ded portion of the said spindleand supported rotatably upon the said'bloclga spring which has a constant tendency to rotate the said nut in the direction to raise the horn, a le ver adapted. to act through the said spring to rotate the nut in the opp'osite direction to `lower the horn, and means for 'automaticall locking the said nnt on the horn Spindle.
3. Ina machine for inserting fastenings in boots, shoes and leather Work, a vertically slidable horn supporting block, a horizontal rigidly supported rotatable shaft upon which the said block bears and which is formed with a flat portion, a'screw-threaded non-rotatable horn spindle movable vertically relat-ively to the said block, ascrewthreaded nut in 4en{. g'agement 'with the screw.
threads on the`said spindle and 'supported rotatablyl upon the. said block, a spring which has a constant tendency to rotate the `said nut to raise the horn spindle, treadleoperated means acting through the said spring for rotating the nut in the opposite direction to lower the horn, and an `anto- `matically operated friction clutch -for locking the said nut against. rotation. y
' ln testimony whereof-l have signed my name to this speci tication in the presence ot' two subscribing witnesses.
NNE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55626310A US1056405A (en) | 1910-04-18 | 1910-04-18 | Horn-operating mechanism of slugging, nailing, or like machines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55626310A US1056405A (en) | 1910-04-18 | 1910-04-18 | Horn-operating mechanism of slugging, nailing, or like machines. |
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Publication Number | Publication Date |
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US1056405A true US1056405A (en) | 1913-03-18 |
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Application Number | Title | Priority Date | Filing Date |
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US55626310A Expired - Lifetime US1056405A (en) | 1910-04-18 | 1910-04-18 | Horn-operating mechanism of slugging, nailing, or like machines. |
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1910
- 1910-04-18 US US55626310A patent/US1056405A/en not_active Expired - Lifetime
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