US839088A - Rivet-driving machine. - Google Patents

Description

No. 4a's'smaa.- l l -P- ATBNTED `DEC. z5, 190.6, l Iysa-p.'ALLISON,si@ .RLVBT DRIVING MACHINE.

- APPL'Io-ATION FILED AUG. .7,19o5.

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UNITED sTA-TEs PATENT oFFIoE.

A OORPORATlON OF MAINE.V

MAINE, ASSIGNOR TO THE OF KENNEBUNK, MAINE,

RlVET-DRIVING MACHINE.

To all whom it may concern:

Be it known that l, WILLIAM P. ALLIsoN,

Sr., of Kennebunk, in the county of York and State of Maine, have invented certain new and useful `Improvements in v Rivet- Driving Machines, of which the following is a specification.

My invention relates to machines for inl serting rivets in sheet material, such as fiber they may be clenchedas they are set in the material. l u

My machine consists of an upright standard-frame carrying two horizontally-projecting arms between which the lap of the sheets of'material to be united is clamped, and in l one of said arms is inserted a slide carrying a Y scription following.

row of rivets which are by the action of suitable mechanism forced through the material totheir proper places, each rivet acting as its vown punch, all as set forth in the detailed dev In the drawings accompanying this speci- .fication and forming a part thereof, Figure 1 vis a perspective of the machine; Fig. 2, an end view, Fig. 3, a longitudinal vertical section; Fig. 4, a cross-section; Figs. 5 and 6, enlarged details; Fig. 7, aview of the slide carrying the rivets; Fig. 8, an enlarged view, and Fig. 9 a perspective of a portion of the same; Fig.0 10, an end view of the horizontal arms, partly in section.

The working parts of the machine are supported on a frame consisting of a base 1, caring the heavy webbed upright 2.at one end and at the other an upright pillar 3. Extending from the upright 2 to the pillar 3 and supported thereon is the horizontal hollow beam 4, and above it is the arm 5, projecting from and supported by the upright 2.

VThe outer. end of arm V5 is held to the beam 4, when desired, by a swinging lever 6, which is jointed to the end of beam 4, (see Fig. 10) and may be swung upward so as to pass between two lugs 17 on the end of the 4upper arm 5. A` pivoted handle 30 embraces the end of this lever and presses upon,A

y Specification of Letters Patent.

Application filed August 7,1905. Serialllox 272,984.

Patented Dee. 25, 1906.

the top ofthe lugs 17, and as its rounded end is made slightly cam-shaped it grips the lugs st ongly when moved to the horizontal position, (shown in dotted lines in Fig. 3 and thus the arm 5 is held from` springing away from the beam 4 whenppressure is exerted in the operation of the machine.

The upright member 2 of the frame carries two shafts 7 and 10 in bracket-boxes extending therefrom. The upper shaft 7 carries a gear 8 and a cam-wheel 9. The lower shaft 10 carries a pinion 15 meshing into the gear 8 and a pulley 1 1 loose on the shaft, but which is connected to a clutch 12, so that the shafts may be started or stopped by the engagement or disengagement of the clutch with the pulley to which the driving power is attached. This clutch is operated through the horizontal rodl 13, running the length of the machinek and hung in bearings in the upright 2 and pillar 3. At the end of this rod nearest the clutch and directly below it is attached an arm 14, which operates the clutch when the rod is turned on its axis, as it may be by the lever-handle 16 near its opposite end.

The beam 4 (shown in cross-section in Fig. 4). has a rectangular recess extending its whole length, in the bottom of which lies a bar 18, which is longitudinally movable for a short distance and is operated by the bellcrank lever 20, which isconnected by a vertical rod 21 with another bell-crank lever 22 near the base of the machine and which is operated from the treadle and lever 23, connected by the horizontal rod 24. (See Fig. 1.)k When the treadle 23 is depressed, it moves the horizontal rod 24 to the right and the vertical rod21 downward, and this draws the bar 18 toward the left.

In Fig. 1 will be seen a pawl 25 just above the treadle, which enters a ratchet on the side of the pillar 3, so as to hold the treadle .and its connections in the position in which they are placed by the depression of the treadle. L

lby the Ainclined projections and notches.

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When the bar 18 is drawn to the left, the holes in it register with the holes in 19.

Figs. 5 and 6 show enlarged sections of the bars 18 and 19, the former showing small anvils a a, with an upper contour adapting them j to turn the points of split or pronged rivets when pressed upon them. The latter section, Fig. 6, shows no anvils, but circular holes c Tc, which act as dies to allow the fiatended rivets shown above them to act as punches to carry a piece of material down through them. In the case of pronged rivets i they are clenched, but solid rivets are punched through the material and headed by a subsequent operation. Coming now to the upper beam 5, as shown in Figs. 3 and 4, it contains a verticallymovable bar 26 and a horizontally-movable one 27. This latter is operated by the carnwheel 9, to which it is connected by the rod 28 and open frame 29, a portion of which incloses the cam-wheel 9. The rod 28 is threaded, and nutsl d d allow of adjustment. Lugs 31 are pivoted to the bar 27 in pairs, each pair having a common pivot at one end and the other end of each pivoted one to the bar 26 the other to the upper portion of the arm 5, so as to form knuckle-joints, and as the bar 28 is drawn to the left by the cam 9 the bar 26 is depressed. This bar 26 carries a series of punches p p, that register with the anvils or holes in bar 19 in the lower beam 4. Figs. 7, 8, and 9 show a long slender trough, of steel, containing a row of dies :1c made in halves, which are heldin place by springs z, riveted to each and to the sides ofthe trough. These dies are each to hold a rivet supported by its head, and when so loaded the strip containing the dies and rivets is slipped into the arm 5 and, supported by lugs 32, is so placed that the rivets are each directly under one of the punches in the bar 26 and over an anvil or hole in bar 19.

In Fig. 10 is shown in section a sheet of material 33, bent into a cylindrical form with the edges lapped and a rivet passed through the lap. In operating the machine on a cylindrical can, as shown in Fig. 10, the edges of the material to be united are lapped and placed around the arm 5, with the lap directly below it. The bar 6 is thrown up, locking the arm 5 to the beam 4. Then the treadle 23 is depressed, thereby drawing the bar 18 to the left, and thus raising the anvil-bar 19, so as to clamp the material to be operated on closely between the anvil-bar 19 and the supports 32 of the slide, Fig. 7, carrying the rivets. The lever-handle 16 is then lifted, thereby operating the clutch 12, and the revolution of the pulley is communicated to the shaft 10 with its pinion, and thereby upper shaft 7 and its cam are revolved, drawing the bar 27 to the left and forcing down the punchbar 26 and driving the rivets in the slide through and out of the dies a: a; and into and l through the stock. The halves of the dies x separate when the punch forces the rivets down, so as te allow their heads to pass through.

I claim` 1. In a machine of the character described` the combination of a supporting-frame includ- Vlng two parallel beams, a laterally-movable bar parallel to and supported by one of said beams, a series of projecting studs or drivers carried by said bar, and means for giving said bar a reciprocating motion at right angles to its axis, a series of rivet-holders registering with said drivers, said rivet-holders having tapering apertures the larger diameters of which are at least as large as the heads of the rivets to be suspended therein and each composed of two parts which join in the plane of the axis of the said aperture, independent springs united to each of said parts and normally holding them in contact, and a removable frame inclosing the series of holders and to which said springs are also joined, thus uniting the said holders in a series which when in place in the machine keeps them in register with the said drivers and which may be removed for convenience of filling with rivets, all arranged and to operate as herein set forth.

2. In a machine of the character described, the combination of a series of drivers, means for moving them simultaneously in the direction of their axes, a series of rivet-holders registering with said drivers, said rivetholders having tapering apertures the larger diameters of which are at least as large as the heads of the rivets to be suspended therein and each composed of two parts which join in the plane of the axis of the said aperture, independent springs united to each of said parts and normally holding them in contact, and a removable frame inelosing the series of holders and to which said springs are also joined, thus uniting the said holders in a series, which, when in place in the machine, keeps them in register with the said drivers, and which may be removed for convenience of filling with rivets; all arranged and to operate as herein set forth.

3. In a machine ofthe character described, a removable frame, a series of rivet-holders mounted thereon having tapering apertures, the larger diameters of which are at least as large as the head of the rivet to be suspended therein and cach composed of two parts which join in the plane of the axis of the said aperture, independent springs united to each of said parts and normally holding them in contact, and also joined to said frame, thus uniting the said holders in a series, which, when in place in the machine, keeps them in register with the said drivers, and which may be removed for convenience of filling with rivets, substantially as shown and d escribed.

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" inthe machinefkeeps them in register with l 4. .Inamachine ofthe character described, the combinationof a supporting-frame including two parallel beams, a laterally-movable bar parallel to and supported by one of said beams, yaseries of projecting studs or drivers carrled kbysaid bar and means for giving saldb'ar a reciprocating motion at right angles to its laXis, a series of yrivetro i `,-larger diameters of which` are at least as v holders registering with said drivers, said rivet-holders-.having tapering apertures the' largeas the lheads ofl the rivets to be suspended therein, and each composed of two parts which join inthe plane ofthe axis ofthe said apertures, `independent springs united to eac vof said parts and normally holding them in contact, andk a removable frame inclosing thek series of holders andl to which said springs are also joined, thus uniting the said holders ina series, which, when in place.

the said drivers, and a seriesof a'nvilsl or dies 'mounted upon a bar supportedupon the otheryof said beams, `soaslto register with said drivers and dies, and mechanism adapted to move said last-mentioned bar toward said rivetfholders, substantially as set forth. I i

51'In a machine ofthe Character described,

the combination of two laterally-movable parallel bars, a series of rivet-drivers mounted upon one of said bars, a series of anvils or dies mountedvupon the other of said bars so. as to-register with said drivers, mechanyism ada ted to move each of said bars indeholders, registering with the said drivers and held in normal position by springs which may yield so as to allow the parts ofthe holders to separate, and-rivets contained therein .to pass through and out .of the same, and a series of anvils or-dies registering with said drivers and holders and adapted to be moved simultaneously toward the same,

substantially as shown and described.

In testimony whereof I have axed my signature in resence of two witnesses.

ILLIAM ALLISON, SR.

v `Witnesses:

AWALTER L. DANE, vJEANNETTE L. DANE.

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