US1314760A - Stampraffixing machine - Google Patents

Description

c. E. SKERRY. STAMP AFFIXING MACHINE.

APPLICATION FILED JULY 12 1916.

Patented Sept 2, 1919."

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NocnAPll cm, WASlllNq'ro To all whom it may concern:

srarns PATENT ornroa CLARENCE EDMUND SKERRY, OF BRATTLEBORO, VERMONT, ASSIGNOR TO NATIONAL AUTOMATIC MACHINE COMPANY, OF BRATTLEBORO, VERMONT, A CORPORATION OF VERMONT.

Specification of Letters Patent.

Patented Sept. 2, 1919.

Application filed July 12, 1916. Serial No. 108,810.

Be it known that I, CLARENCE E. SKERRY, a citizen of the United States, and resident of the city of Brattl'eboro, in the county of \Vindham and State of Vermont, have invented certain new and useful Improvements in Stamp-Affixing Machines, of which the following is a specification.

This invention relates to improvements in power operated mechanism for affixing postage stamps to envelops or the like, and refers more particularly to machines of this character which perform all of the operations automatically after the envelop is started through the machine.

The object of this invention is to provide means for automatically discontinuing the feeding action upon the envelop during the time the stamp is being applied thereto.

WVith these and other'objects in-view, the

invention consists of certain novel features of construction, as will be more fully described, and particularly pointed out in I the appended claims.

In the accompanying drawings: a

Figure 1 is a sectional elevation of the machine on line 11 of Fig. 3 showing the feed rolls in full and the mechanism by which they are separated during the time the stamp is being fixed to the envelop.

Fig. 2-- is a View partly in section 'on line 22 of Fig. 1 showing the longitudinally movable cams which act upon and raise the feed roll.

Fig. 3 is a detail sectional view illustrating the operating cam in the affixing machine as about to act upon the lever arm and operate the rock shaft.

Referring to the drawings, 10 designates the table over which the envelops to be stamped are fed by means of the feed rolls 11 and 12. The lower feed roll'll is mounted on and driven through the shaft 13, by means not shown, said shaft being supported in the bearings 14: below the table, its upper edge extending through an opening 15 therein just above the upper surface thereof.

The upper feed roll 12 is mounted on the shaft 16 which is journaled in the end bearings 1-7. These bearings are each provided with a supporting stem 18 mounted to slide vertically through their respective bearings 19, which bearings are connected to the frame 21 that is bolted at 22 to the side 23 of the table 10. A roll 20 is pivotally mounted in the upper end of each of these stems 18. The upper surface of this frame is grooved longitudinally as at 2 1, and in this groove is slidably mounted a bar 25 having two inclined or wedgeshaped members 26 and 27 mounted thereon to serve as cams for acting through the rollers 20 to raise the feed roll 12 when the cam bar 25 is moved to the left, and to release the roll to return to normal under influence of springs 33 to press against the lower roll 11 when the cam bar is released and permitted to return under influence of its spring 40.

In order to affect this longitudinal movement of the cam bar 25 in time with the stamp aflixing mechanism, I have fixed a cam C to the intermittently rotatable shaft S, which cam when it, is caused to rotate engages the arm 28 mounted on the shaft 29 to rock said shaft and swing the long .arm 30 mountedthereon to reciprocate the cam bar 25 to which its upper end 31 is connected by the link 32, see Fig. 2.

The operation of my. improved stam affixing machine is as follows :The cnve ops are placed in. a pile at the entering end of the machine and are fed automatically and successively t0 the feed rolls 11 and 12 in the usual way.

The envelop after being engaged by these rolls is advanced until its forward edge strikes the stop pin 37 and during its forward passage, it engages the trip lever 34 which operates through the arm 35 and shaft 36 to trip and start the stamp affixing mechanism in the manner shown and described in Letters Patent 1194693, granted August 15, 1916, on a co-pending application.

This trip action starts the cam shaft S to rotate and make one complete revolution, which operation causes the cam O to act upon the arm 28, shaft 29, arm 30 and cam bar 25 to move thewedge- shaped cams 26 and 27 beneath the rolls 20 and raise the feed roll 12 from the surface of the envelop which immediately stops the feed of the same.

During the time that this roll is raised from the envelop, the stamp allixing plunger 38, see Fig. 3, descends, the knife 39 severs the stamp from its strip 30, and affixes it to the envelop, all of which ailixing mechanism is illustrated in Patent Number 1,170,949. Afterthe stamphas been affixed the continued rotation of the shaft C With- 7 draws the stop pin 37 and permits the arm 30-under influence of the spring 40 to re,

turn, Withdraws the cams from the rolls 20 and allows the feed roll 12 to again press the surface of theenvelop against the lower driving roll causing the same to be advanced to another set of feed rolls, not herein shown, to carry it to any point desired.

I have shown and described only one is meansof supporting the envelop feed roll but any means for discontinuing the feed ing actionof said rolls u on the envelop during the interval of affixing the stamp Will fall within the spirit and scope o'f'my invention. Q I H Iclaim: v

1. An improvement in stamp aflixingimw chines comprising a trip mechanism, a pair of envelop feeding rollers, means controlled 7' by said trip mechanism for periodically Copies mm patent may be obtained for the trip mechanism to effect interruption of the feeding action of said rolls after each envelop has advanced a predetermined distance, and stamp afliXi-ng means controlled 7 by the trip mechanismand operableto affix a stamp during the periodofinterrupted} feeding action.

3. An improvement in stamp afiixing ma chines comprising a trip mechanism, a pair of envelop feedlng rolls, a suspended frame having means for supporting one of said c rolls, a cam engaging said suspended frame, means controlled by the trip mechamsmfor' operating the cam to move the framein a direction to separatesaid rolls, and stamp the period of interrupted feeding action."

4. An improvement'in stamp affixing mas chines comprising a trip me'chanisnnaw pair '50 affixing means controlled by "the trip me a, anism and operable to aflixa stamp during 9. V

of envelop feeding rollers, means controlled separating said rolls to interrupt the feeding action thereof after each'envelop has advanced a pre-determlned d1stance,and a by said trip mechanism for) periodically I stamp plunger controlled by the trip mechanism and operable duringthe eration ofsaid rolls. a v a In testimony whereof my ture in presence oftWo itnesses.- or

period of op;

signa-r CLARENCE EDMUND, SKERRY. j

WVitnesses:

E. 'J. WA'rnnMAN, V C. ELMERRIL L' five cents each, by addressing'the Commissioner o'f Patents, 7 Washington, D. G. I i

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