US 1378721 A
Description (OCR text may contain errors)
ELECTRIC ENVELOP SEALER.
APPLICATION FILED AUG.6, 1'920.
, 1,378,721 I Patented May 17, 1921.
3 SHEETS-SHEET l.
1 w l 6 /g F0 k INvENroR ATTORNEY l. ROHDIEK.
ELECTRIC ENVELOP SEALER.
APPLlc/Tlon FILED AuG.6. 1920.
1,378,721. Patented May 17,1921.
3 SHEETS-SHEET 2.
il, Z295 I' l5 zo i l Jhn mvEm-on WITH UNITED STATES JOHN ROHDIEK, 0F NEW YORK, N. Y.
Specification of Letters Patent.
rae-@need Mayra, `1921.
Application filed August 6, 1920. Serial No. 401,744.
To all whom t may concern Be it known that I, JOHN RoHninn, a citizen of United States, residing at New York, in the county of New York and State of New York, have invented new and useful 1mprovements in Electric Envelop-Sealers, of which the following is a specification.
This invention relates to envelop sealers and has for its object the provision of an electrically operated device for sealing the flaps of envelops and also for aflixing stamps thereon.
An important object is the provision of a device of this character including a plurality of drive rollers moving beneath .a cover plate with which they coperate for pressing the flaps of envelops into position and for also pressing stamps into place, the cover having associated therewith an electric heater for drying the adhesive upon the flaps and stamps and this heater being automatically cut into circuit when the cover is closed and simultaneously with the operation of the motor which drives the rollers.
An additional object is the provision of a device of this character which will be simple and inexpensive in manufacture, highly efficient and easy to use, durable in service, and a general improvement in the art.
With the above and other objects and advantages in view, the invention consists in the details of construction to be hereinafter,
more fully described and claimed and illustrated in the accompanying drawings in which- Figure 1 is a plan view of my device,
Fig. 2 is a side elevation with the cover in closed position,
Fig. 3 is a longitudinal sectional view with the cover closed,
Fig. 4 is a plan view with the cover open,
'Figa 5 is a sectional view on the line 5-5 of Fig. 1,
Fig. 6 is a cross sectional view, taken on the line 6 6 of Fig. 1, and
Fig. 7 is a diagrammatic view of the electric wiring.
Referring more particularly to the drawings, the numeral 10 designates the base of the machine which is formed of any suitable material and size but which is rectangular in shape. Mounted upon this base are spaced side bars 11 which may conveniently be short sections of angle iron and journaled between these side bars are rollers 12 of uniform size and which carry gears 13 between which are located intermediate idle pinions 14, the purpose of which is to .insure rotation of all the rollers 12 in the same direction at the same speed.
Located adjacent the gear 13 on one of the end rollers is a drive pinion 15 carried by the shaft 16 of an electric motor 17 which has one terminal connected with a suitable source of current A and which has its other terminal connected with the stationary contact 18 suitably mounted upon the base. The numeral 17a designates a housing for the gearing.
Secured upon the base is the lower portion 19 of a casing which incloses the mechanism above described and which further includes a hinged cover 2O having a suitable handle 21 and this cover is provided at one end with an entrance opening 22 and at its opposite end with a discharge opening 23. The casing is preferably provided adjacent these openings with platforms 24 and 25, respectively, onto the former of which envelops to lbe sealed may be placed and the latter of which serves as a support for the sealed envelops.
Carried by the cover` 2O is a heating coil 26 which has one terminal connected with the source of current A and which has its other terminal connected with a contact 27 carried by and insulated from the cover. The contact 27 is so arranged that when the cover is closed it will engage with the contact 18 so that when the cover is in such closed position current will flow from the source through the heating coil 26 and through the motor 17. This will result in heating' of the cover and also in rotation of the rollers 12. A plate 28 is disposed between the rollers and the heater.
In the use of the device when it is desired to seal envelops or to afliX stamps thereon it is first necessary to moisten the flap and to apply the stamp, after which the envelop is placed upon the platform 24 and slid into the entrance opening 22 whereupon the moving rollers 12 will carry the envelop along the casing in engagement with the plate 28 which will`result in pressing of the flap and stamp firmly into position. Owing to the energization of the heating coil 26, the plate 28 will be very efficiently heated and this will result in drying of the adhesive upon the flap and stamp so that when the envelop is discharged through the opening 23 onto the platform 25 the mucilage or other adhesive will be dry and the envelop will bein condition for mailing. When the cover is opened the contacts 27 and i8 will be disengaged and the circuit will be broken through the heating coil and also through the motor so that the device will automatically become inoperative.
From the foregoing description and a study of the drawings it will be apparent that l have thus provided a simply con structed and easily operated envelop sealing' device and stamp aliixer which will not only press the iap and stamp firmly into position but will also thoroughly dry the adhesive so that subsequent loosening will be prevented.
While l have shown and described the preferred embodiment of my invention, it is oi course to be understood that l reserve the right to malte such changes in the form, construction, and arrangement or" parts as will not depart from the spirit of the invention or the scope of the subjoined claims.
Having thus described my invention, I claim:
l. A device of the character described comprising a casing, a plurality of rollers journaled therein, a motor for driving said rollers simultaneously in the same direction, a cover for said casing, a plate within the cover, cooperating with said rollers whereby to press against an envelop disposed between the rollers and the cover, `and means for heating said cover comprising an electric heater carried thereby, and means for simultaneously energizing said heater and Said motor.
2. A device of the character described comprising a casing, a plurality of rollers journaled therein, a motor for driving said rollers simultaneously in the same direction, a cover for said casing ineuiding' a plate, cooperating with said rollers whereby to press against an envelop disposed between the rollers and the cover, and means for heating said plate comprising' an electric heating coil carried by the coven a contact carried by the cover and connected with said coil, said coil being connected with a source olf current, said motor being likewise connected with said source of current, and a contact connected with said motor and engageable by said first named contact whereby when the cover is closed the motor and coil will be simultaneously energized.
In testimony whereof l aiX my sienature.