US1859478A - Can opener - Google Patents

Description

May 24, 1932. A. K. STECKMANN CAN OPENER Filed June 21, 1930 Jig 5515.1?

Patented May 24, 1932 UNITED STATES CAN OPENER Application filed June 21,

My invention relates more particularly to can openers of the hand-operated type employing a notched or knurled feed wheel cooperating with a cutting wheel to open the '5 can.

One object of my invention is to materially reduce the number of parts employed in devices of this nature.

Another object is to simplify the parts employed while at the same time increasing the eifectivenessof the operation of the device.

Another object of my invention is to so arrange the mounting for the feed wheel that proper cutting relation is maintained by merely moving the feed wheel to advance the can through the cutting operation.

Other objects of my invention will appear and be described in the specification.

The novelty of my invention will be hereinafter more fully set forth and specifically pointed out in the claims.

In the accompanying drawings:

Fig. 1 is a perspective view of a can opener embodying my invention.

Fig. 2 is an enlarged sectional end view of the operating portion of the can opener of Fi 1.

Fig. 3 is a side view of Fig. 2.

The same numerals of reference are used to indicate identical parts in all the figures.

As illustrating one form of device embodying my invention, though without limiting myself to the details of construction or arrangement of parts shown and to be herein and modifications which may be made within the scope of the appended claims, I have shown a can opener consisting of a bar 4 carrying on one end a handle 5, the other end of the bar carrying a frame 6 to which the various parts of the opener are attached. Mounted on one side of the frame 6 is a cutting wheel 7 the mounting being through a pivotal connection 8. A link 9 is pivoted as at 10 to the other side of the frame, this link carrying at its free end, a feed wheel 11 mounted upon a shaft 12 which is provided with a crank 13 by means of which the feed wheel may be rotated. The crank 13 preferdescribed, but availing myself of all changes 1930. Serial No. 462,714.

ably has a handle 14 for its convenient operation. 1 7

Referring more particularly tolFig. 3 it will be noted that the link 9 may swing from the position shown in full lines to that shown in dotted lines," and further thatthe pivot 10 of the link 9 is not in alignment with the pivot 8 of the cutting wheel 7 andthe axis of the feed wheel11.-

The result of this arrangement is that as the feed wheel 11 swings from the dotted line to the full line or operating position, it approaches and partly overlaps the cutting Wheel 7 and the resistance offered by itself in its advancing movement holds the link 9 in the full line position of Fig. 3, the crank being turned in the direction of the arrow 15.

the can When the link 9 is moved to the dotted line position it will be notedthat this device may then be engaged over the rim of a cam, the handle being in a somewhat elevated position, whereupon, by means of the crank handle the feed wheel is moved into contact with 1 the bead forming the end of the can, and swinging into position as it does by reason of the off-setting of the pivot 10 from alignment with pivot 8, while at the same time lowering the handle, further turning of the crank forces the cutting wheel through the can and provides a suflicient opposing pressure to maintain the bead of the can in relation to the feed wheel to cause the advance of the can when the feed wheel is turned.

In Fig. 2 I have shown the device in proper position during the cutting operation and have shown a small portion of a can being cut, the can being designated 16.

At the completion of the cuttin Operation .q;-,.

the link 9 is swung from the full line posltion of Fig. 3 to the dotted line position by means of the handle 13 thereby releasing the device from the can and permitting its removal.

It will be seen from the above thatI have produced a can opener having very fewparts; that its parts are all simple and inexpensive to produce, and positive and eflicient in action.

Having thus fully described my invention, I claim:

1. In a can opener the combination of a frame, a rotary cutting member ivoted to 3' the frame, a link carried by the rame and having its pivotal point ofiset with relation to any line through a'feedmemberandthe cutting member, a feed member carried by the link, means'for moving the feed member to advance the can,.the advancing of the can through the cutting operation holding the link in position to maintain cutting relation with the can. I

2. In a can opener the combination of a 15 frame, a cutting wheel pivotally'mounted thereon, a link pivotally mounted on the frame and offset from any line through a feed wheel and the pivot for the cutting wheel, a feed wheel carried by the link and 20 adapted to be brought into cutting relation with the cutting wheel by the movement of the link, and means for turning the feed wheel to advance the can and hold the link in position to maintain cutting relation.

7 5 I g AUGUST K. STECKMANN.

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