US203879A - Improvement in drying-machines - Google Patents

Description

G. N. BLISS. Drying-Machine.

Patented May 21,1878.

N. PETERS, PHOTO-L|THOGRAPMER, WASHINGTON, D C.

UNITED PATENT ormon.

GEORGE N. BLISS, or BOSTON, MASSACHUSETTS.

IMPROVEMENT IN DRYING-MACHINES.

Specification forming part of Letters Patent No. 203,819, dated May 21, 1878; application file April 4, 1878.

To all whom it may concern:

Be it known that I, GEORGE N. Bass, of Boston, Massachusetts, have invented a new and useful Drying-Machine; and that the same is fully described in the following specification and illustrated in the accompanying drawing.

The object of my invention is to provide a machine adapted to receive successively and hold temporarily a series of printed or varnished sheets of paper, or any similar matter, in such a manner that the sheets may be placed in close proximity, but not in actual contact, while being dried sufficiently to lay away in piles.

My invention consists of an endless carrying chain or chains and adriving mechanism therefor, in combination with a series of bur-- dles pivoted upon the carrying chains also, in an endless drive-chain composed of a series of links, each supporting-link having two or more hurdles hinged thereon, and provided with suitable stops to hold the parts in position; also, in the driving and carrying devices and the hinged hurdles, in combination with a guard to regulate and check the dropping of the hurdles into position.

. In the drawing, Figure 1 is a perspectiy e view of my improved machine. Fig. 2 is a view of the chain-links and hurdlehinges.

A A represent standards orasuitable frame- V be uniform.

I I I are the hurdles or skeleton shelves, borne upon the chains C, and arranged to take a horizontal position during. either the upward or downward movement. In the illustration, Fig. 1, the mechanism is adapted to move the horizontal hurdles downwardly.

It is a feature of my invention to hinge the hurdles so that each one shall have an independent movement, that two or more hurdles wood, furnished at each end with a metallic hinge, J, which is secured to the link 0 by a pivot, K, upon which the hurdle has a limited movement, as indicated by the two positions shown in Fig. 2. Each link 0 is formed with two stops, L L, against which the heels of the hingesJ J abut when the hurdle has dropped into a horizontal position, and this position is maintained by gravitation until the link is deflected from a vertical movement in passing around the wheel B at the top or bottom of its circuit. Thus the hurdles may be placed closely together horizontally, and temporarily support a large number of thin sheets without permitting them to touch each other.

I am accustomed to use my machine in connection with a varnishing-machine for coating sheets of paper with glue or varnish, the two being so arranged relatively that as fast as a sheet is varnished a hurdle drops into position to receive it. This takes place at the top of the machine shown in Fig. 1, and abundant space is there afforded for the automatic or manual work of placing the sheet before the next hurdle descends.

To prevent premature or forcible dropping of the hurdles, I provide a friction or spring guard, m, which serves to check their descent until the proper moment, and also insures their movement into position one by one. The illustration of this feature (shown in Fig. 1) is simple and. cheap, and it is apparent that numerous devices for the same purpose could be readily applied; hence I do not limit myself to a guard of any particular form.

It will be understood that the supporting links G of the carrying-chain are united by connecting-links c, in a manner common to flatlink chains; and it is obvious that a single chain may carry the hurdles if the hinges and stops are placed centrally, and also that the stops may be formed upon the hinges, so as to vided with suitable stops, substantially as set forth.

2. An endless drive-chain composed of a series of links, .each supporting-link having two or more hurdles hinged thereon, and pro-' vided with suitable stops to hold the parts in position, substantially as set forth.

3. The combination of the driving and carryin g mechanism and the hinged hurdles with a guard to regulate the movement of the hurdles, substantially as set forth.

GEORGE N. REIss.

Witnesses N. H. SPENoER, J. BRECKENRIDGE.

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