US1119785A - Machine for inserting fasteners. - Google Patents

Description

H. E. COOPER & J. SAYBR.

MACHINE FOR INSERTING FASTENERS.

APPLICATION TILED SEPT.14. 1914.

1, 1 1 9,785. Patented Dec. 1,1914.

2 SHEETS-SHEBT 1. m

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HIE NORRIS PErL'Rs C0 PNOTOLITNO WASHING raw, D C

H. E. COOPER & J. SAYER. MACHINE FDR INSBRTING FASTENERS.

APPLICATION FILED SEPT.14. 1914.

2 BHBETS-'SHBET 2 Patented Dec. 1, 1914.

l Z m the entrance to the said throat. With this .readiness for the driver to operate. 1 These and other features of the invention will be understood from the following clescription of a preferred embodiment. of the STA , PATEN FFIOE- HAROLD EDMUND COOPER AND JOHN SAYER, OE LEICESTER, ENGLAND, .ASSIGNORS .TD

UNITED SHOE MACHINERY COMPANY, OFPATERSON, NEW JERSEY, A CORPORA- TION OF NEW JERSEY.

Application filed September 14, 1914..

To all whom it may concern Be it known that we, HAROLD E. Coornn and JOHN Saree, subjects of the King of Great Britain, residing at Leicester, Leicestershire, England, have invented certaln Improvements in Machines for Inserting characters on the drawings indicatinglike parts in the several figures.

The invention relates to machines for 1nserting fasteners and is particularly applicable to machines which insert fasteners known as bills.

Fastener-inserting machines have been provided with means for transferring fasteners from the raceway to the throat but it sometimes happens with the means hitherto provided, particularly when employed with cast steel bills that the fasteners lie across the throat so that on the descent of the driver the machine may be damaged.

One object of the invention is to overcome this difficulty, and a further object is to provide a device which shall be more certain in operation and simpler in construction than devices of this nature which have been devised heretofore.

WVith these objects in view a feature of the invention is for a machine for insertingfasteners comprising a raceway and a driving throat, an arrangement of the throat wherein it is formed partly in a pivoted member which when swung by means into one position opens an entrance to the throat and forms a continuation of the raceway so as to receive a fastener therefrom, but which when swung by the said means into another position transfers the fastener to and closes construction the movement of the pivoted member about its pivot will actually push the fastener into its correct position in the throat, so that it will be prevented from lying across the throat and so causing damage to the driver and other parts of the machine.

According to a further feature of the invention the said member is adapted to clamp the fastener in positionin the said throat 1n MACHINE FOR INSERTING FASTENERS.

Patented Dec. 1, 1914.

Serial No. 861,539.

invention, the description being aided by the accompanying drawings which show the said embodiment as applied to a machine of the type described and shown in Goddu United States Letters Patent No. 490,624, granted January 24:, 1893. It is to be understood, however, that the embodiment of the invention is not limited to its application to machines of this type, as it could be applied to other types of machines for inserting fasteners. It is also to be understood that it could be embodied in a variety of forms without departing from the spirit of the inventlon.

In the accompanying drawings :-Figure i i 1 is a front elevation of part of a machine of the type described in the aforementioned patent with a preferred embodiment of the present invention incorporated therein Fig. 2 is a view, partly in section, and drawn to a scale larger than Fig. 1, showing particularly the rocking plate transferring a fastener to thethroat; Fig. 3 is a view similar toFig. 2, the rocking plate being shown in its position wherein it forms a continuation of the raceway; Fig.4 is a horizontal section on line 3-3 of Fig. 3, certain of the parts beingshown in plan; and Fig. 5 is a view showing particularly the separator and the plunger for swinging the rocking, plate about its pivot,

Like reference characters indicate like parts in all the figures of the accompanying.

drawings.

The machine described in the specification mentioned above comprises a movable head 2 that carries an awl 1, a driver 6 and a camoperated lever 8 at the lower end of which latter a nail separator is located.

of the movement of the head 9. conveys fastenersfrom a hopper not shown to the separator which latter moves the fasteners one A race way 10 whichis connected to and partakes' at a time from the end of the raceway into a position in which they are driven into the work by the driver 6.

In accordance with the present invention the lower part 12 of the driving throat or driver passage 14; is formed in the movable head 2, while the upper part 16 is formed partly in the said head and partly in a rocking plate 18 carried by the raceway 10. To carry this into effect the movable head is formed with a slottedfportion into which.

so transfer a projects one end of the raceway 10, see Figs. 2 and 3. In a slot 20 in the raceway is pivoted at 22 the rocking plate 18.. The rocking plate 18 is provided with a longitudinal semi-circular groove 26 and this groove coiiperates with a similar groove 28 in the movable head to form the upper part 16 of the throat or driver passage 14-. The upper part of the plate 18 and the groove 26 curve inwardly or away from the driver 6 (see Figs. 2 and 3) so that when the plate is swung about its pivot 22 in a direction away from the groove 28in the movable head and into the position shown Fig. 3, the upper part of the groove 26 will be brought into register with the groove 30 in the raceway along which the fasteners 32 slide. The plate when in this position forms an entrance tov the throat 14 and when the plate is swung in the reverse direction it will aline a fastener in the throat 1 1 and also close the said entrance. This inward curve of the plate when the plate is in the position shown in Fig. 3 causes a space to be formed between the driver 6 which is down at this time, and theplate' 18 so that when, as will be explained later, the separator Si is moved to allow a fastener to fall from the groove 80 in the raceway, the said fastener will fall into the said space. Upon the upward movement of the driver 6 means are provided to swing the rocking plate 18 on its pivot 22 so as to transfer, as just mentioned, a fastenerto the throat. 1% and also close the throat. This inward movement of the rocking plate also clampsthe fastener firmly between the plate 18 and the movable head 2 so that it cannot fall down the throat 14 but is held firmly therein in readiness to be driven into the work on the next descent of the driver 6. j I V In order to swing the plate 18 about its pivot 22 in a direction away from the groove 28 two springs 36, 38, are provided which are attached to a pin 4:0 in the plate 18 and to a pin 12v secured to the raceway. To swing the plate 18 in the reverse direction there is mounted in the raceway a pin 14 one end of which engagesthe back'of the rocking plate 18 and the oth'er end of which is engaged by a wedge face 416 formed on a plunger 48 which is mounted to slide in a bore in the raceway. Formed in the said plunger 48 (see Fig. 5 is a slot 50 which projects upwardly and rearwardly of the "achine and this slot is engaged by a screw 52 carried by the cam-operated lever 8. As the lever 8 is swung to operate the separator, as will be explained presently, it will through its connection to the plunger 48 just described, move the said plunger which through its cam face 46 will move the pin 41 which in turn will swing the rocking plate against the action of its springs36, j 38 and fastener to the throat, close the throat and clamp the fastener in position in readiness for the, driver to drive. it into the Work.

The fastener separator 34,. in accordance with the present invention, comprises a plate that is pivoted at 58 to the cam-operated lever 8 and which is adapted to project across the end of the groove 30 in the raceway and when in its forward position, see Fig; 5, to prevent the fasteners from falling down the raceway. The separator 84 is provided at its forward end with a notch 60 which. when it is in its rearward position, see Fig. 3', will be in register with the groove 30 in the raceway so that a fastener 32 will be allowed to fall therefrom into the space between the rocking plate 18 and the driver bar 6. T he notch 60 in the separator plate has its rear corners 62 slightly beveled off so that should a fastener be projecting slightly beyond the groove 30 in the raceway whenthe separator is moved forward the said separator will push back or ride over the fastener and in order to prevent this fastener from falling from the groove the separator plate is held against the fastener by spring pressure. For this purpose the separator plate 81- is provided with an upwardly projecting arm 6-1 to one end of which'is attached to a spring 66, the other end of which is attached to the ca1n-operated lever 8. in order to adjust the height of the lower edge of that part of the separator that projects across the groove in the raceway the arm 64 is held by the spring 66 against a roll 68 on the eccentric shank of a screw 70 so that if this bolt is turned in one or the other direction the separator will be swung about its pivot 58 and the aforementioned lower edge will be raised or lowered as required. I

The machine operates as followe s-Assuming a fastener to have been driven into the leather and the driver 6 to be still in its lowered position, the cam-operated lever 8 will be swung rearwardly of the machine so as to bring the notch 60 in the separator into alinement with the groove 30 in the raceway so as to allow a fastener to fall therefrom, see Fig. 3. Simultaneously the plunger 48 which is attached to the cam-operated lever 8 is also moved rearwardly so that the wedge face 46 is moved away from the pin which engages the rocking plate 18 so that the said plate under the action of its springs 36, 38, is moved backwardly into a position where the top part of its groove 26 will be in alinement with the groove 30 in the raceway; The rocking plate is moved into this position just at or just before the time when the notch 60 is brought into alinement with the recess in the raceway so that a fastener therefrom may fall into the space between the rocking plate and. the

driver 6 which is still tin-its lowermost position. At this time the driver will com- I mence to rise and simultaneously the camoperated lever 8 will be moved forwardly so as to move the notch 60 in the separator 56 away from the groove 30 in the raceway and so prevent another fastener from falling from the raceway. This movement of the lever 8 will also bring the cam face 46 on the plunger ,48 into engagement with the pinata and swingthe rocking plate against the action of its springs 36, 38, and so clamp the fastener in a position in readiness to be driven. From the foregoing it will be understood that as the rocking plate 18 is swung about its pivot 22 it will force the fastener into correct alinement in the throat and so avoid the possibility of it lying across the throat and so damaging the ma chine.

The space between the plate 18 and the driver 6 when the latter is in its lowermost position is of such shape that when the tinuation of the raceway so as to receive a fastener endwise therefrom and when swung into another position transfers the fastener to and closes the entrance to the said throat.

2. In a machine for inserting nails, a raceway and a driving throat, said throat comprising a movable member forming part of one side of the said throat, which member when moved into one position forms a Guntinuation of the raceway to receive a nail endwise therefrom, and which when moved into another position transfers the nail to driving position.

3. In a machine for inserting nails, a driving throat, a driver, a nail detainer, a moving member, forming one side of the said throat, and means operating to withw draw said moving member, actuate said nail HAROLD EDMUND COOPER. JOHN SAYER.

Witnesses:

Cncn. Hnnnnn'r Cross, FRANK PooL.

Copie: 0! this patent may be obtained for five cents each. by addressing the Commissioner of Patents, Washington D. G

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