US1066154A - Method for inserting work-pieces. - Google Patents

Description

C. SANDOZ-MORITZ. `AMETHOD PoR INSERTING WORK PIEGBS.

APPLICATION P1LBD AUG.9, 1912. y

Patented-July 1, 1913.

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Specification of Letters Patent.

Patented July 1, 1913.

Application filed August 9, 1912. Serial No. 714,245.

To all whom, t may concern.'

Be it known that I, CHARLES SANDOZ- MORITZ, a citizen of the Republic of Switzerland, and residing at Tavannes, Switzerland, have invented certain new and useful Improvements in Methods for Inserting fork-Pieces, of which the following is a specification.

The present invention has reference to im proveniente in methods for inserting work pieces, such as screws, pins, studs, rivets, hands, and the like, into perforated plates, or for assembling work pieces, for instance the bars and heads in lantern pinions, by means of air pressure and simultaneous shaking action.

In a prior application (Serial No. 657,596, filed October 30, 1911) and another application divisional thereof (Serial No. 714,244, led August 9, 1912) I have described an apparatus and a method for inserting such work pieces by means of air pressure, and the present invention more particularly relates to an improvement of my prior inventions there described.

As I found that in practical operation the parts to be inserted or assembled often are not fully forced home in their seats, so that manual afteretreatment is required, I have added to the shaking and pressure action to which the parts to be inserted are subjected, a hammering action, with the result that now the parts are more quickly and completely assembled in one operation without after-treatment. j f

In order to make this invention more readily understood, I will -now describe it with reference to the accompanying drawing, in which- Figure 1 represents a vertical section through one form of apparatus in which my new method may be carried out; Fig. 2

shows a section through part of the work receiving bowl with the exchangeable false bottom, and two lantern pinions in elevation; Fig. 3 shows a lantern pinion partly assembled, with two battering slugs as they appear in action; Fig. 4 represents a top view of the false bottom with inserted lantern pinion bodies, and bars and slugs scattered promiscuously over it.

In the lower part of the machine housing c is provided a blower b, which sucks in the air through port c, and forces it out through the conduit CZ, in whose upper straight part slides airtightly the tube e, which runs out into the curved passage f. VThis latter opens into the hopper or bowl g at 7L. The bowl is provided with an airtightly closable cover i, with a slopingbotto'm la, and with a discharge Z at the lowermost part. To the upper end of t-he tube e are fulcrumed the upper ends of two connecting rods m, secured at their other ends to eccentrics n, which are driven from the rotary shaft 0. Upon this shaft revolving, the bowl g will be reciprocated in an up and down direction.

Within the bowl, below the orifice h is removably secured the perforated plate or false bottom p, whose construction may vary greatly according to requirements. In the example shown, the plate is intended for assembling the bars and heads to form lantern wheels such as are extensively used in clock making, and it consists of a plate with a plurality of bores 1, arranged in a circle. A smaller disk s is adjustably suspended below the larger one by means of the screw ybolt t, which serves also as handle.

The bodies of the lantern pinions are inserted by hand into the perforations r, their spindles resting on the lower disk, as shown in Fig. 2. The plate p is now placed into the bowl g, a lot of bars u are scattered over the plate. the cover is closed down, and the machine is started, when a powerful current of pressure air is sent through the perforations 1 in the false bottom which forces the bars u, which are kept in constant agitation by the reciprocatory movement of the bowl, into their seats in the heads u of the lantern pinions. As the described operation often is vnot powerful enough to drive the bars entirely home, I employ additional hammering means for this purpose in the shape of small pieces of metal, so-called slugs fw, which are scattered freely over the perforated plate, as shown in Fig. 4, and which impelled by the combined shaking and pressure action quickly batter the bars home in their seats. Each sudden descent of the bowl, moreover,

causes the inclosed column of pressure air Y to become momentarily still further compressed, and these quickly recurring extracompressions greatly aid the battering action of the slugs. At the end of the operation, the cover i is lifted, the perforated plate 79 is tilted, when the excess bars and the slugs drop down the inclinedbottom of the bowl into the tray y, and the plate is removed by the handle t and replaced by a fresh plate. l

What I'claim is 1. The hereindesoribed method for inserting pins or thelike in` a perforated member, consisting in impartingv an up and down reeiprocatory movement tothe perforate member, confined with a superposed aggregation of the loose pins, and in simultaneously subjeoting the assemblage to an air blast Within a closed container, the air blast passinzgr through the said perforate member from above downwardly. 1

2. The hereindeseribedf method of inserting' Pins or the like in a perforated member, consisting in imparting an lip and dovvn Copies of this patentv may be obtained for reoiprooatory movement to the perforate member, confined with a superposed aggregation of the loose pins interspersed with relatively heavy elements, and in simultaneousl7 subjectingr the assemblage to a Current of pressure air Within a closed container, the air blast passing through the said perforate member from above downwardly.

In testimony whereof -I affix my signature in presence of two Witnesses.

CHARLES SANDOZ-MORITZ. lVitnesses E. C. HssEs, C. VELLS.

five cents each, byiaddressing the Commissioner of Patents,

Washington, D. C.

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