US11270A - Improvement in the construction of inkstands - Google Patents

Description

' UNITED STATES PATENTV OFFICE;

ROBERT T. ERY, or SPRING GARDEN, PENNsYLv-ANIAQ Specification forming part of Letters Patent No. 11,270, dated July 11, 1854.

To a/ZZ whom it may concern:

Be it known that I, ROBERT T. FRY, of Spring Gardemin the county of Philadelphia and State of Pennsylvania, have invented cer tain new and useful Improvements in Fountain-Inkstands; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, in which- Figure l represents a side view. Fig. 2 represents a vertical section through the center thereof, and Figs. 3, 4, 5, and 6 views of detached portions of the same.

Similar letters in the several gures represent the same parts.

The nature of my invention consists in securing the india-rubber disk to the top part of the inkstand and fastening the top and bottom together and making the joint airtight by a iianged cap having projections thereon which catch into spiral grooves cast or cut in the lower part, by which means the lpressure upon the elastic substance between the ring and base is direct and prevents the rubber from being cut or crimped by moving or slipping it against any other substance, and also in surrounding the funnel with a ring, by turning which the ink may be forced up or let down at any time, and which serves the purpose of a guard to prevent the funnel from being jarred and throwingout the ink.

To enable others skilled in the art to make and use my invention, I will proceed to describe the same with reference to the drawings.

The body or base a may be made of glass or other suitable material, andon the outside thereof near the top is cast or out a section of the thread of a female screw or spiral groove b, open at opposite points, so as to admit the projections or lugs c on the under side of the flanged cap d. The funnel e may be made of glass or other material and should have on it where the tube joins the bottom of the funnel a groove or bead in which the center part of the india-rubber disk f may be securely fastened by a small cord or wire. The outer periphery of the india-rubberis then turned over the edge of the ring g and similarly secured thereto, as at the center to the funnel,which unites the funnel with the ring.

The ring g has a fiange h turned on it, on the inside of which is cast the lugs or projections t'. The guard-ring 7a, Figs. 3 and 4, is provided with an elliptic openingiwn the center, so as to slip over the top of the funnel when from any cause it becomes necessary to remove said ring, and on its under side is arranged three inclined planes m, which rest upon and fit over the lugs fon the ring c, so that by turning the ring la the inclined planes will raise up or let down said ring, and as it is in contact with the conical part of the -funnel it also raises it up or lets it down, by

`which means the ink may be permanently kept in the funnel or let down at any time. The ring k also serves as a guard to the funnel which, without it, if struck by the pen or other thing, would throwr out the ink.

'nis a shield of india-rubberor other material to prevent the ink which might accidentally be spilled out from touching and rotting the string Which secures the rubber disk to `the funnel. is not affected by the ink.

o is a cap or cover for protecting the ink from dust, &c.

The serious objection to the methods heretofore used for securing the top and bottom part of the stand together has been the fact that the rubber either had to slip on some portion of the other parts or they had to slip on the rubber, which invariably soon cut or crimped it and made it lose the air, which rendered the inkstand useless. By my method of arranging the parts this defect is entirely remedied, the pressure being brought onto the rubber in a direct line without slipping it or any part against it which would by the peculiar tenacity of the material cut or in-` jure it, and by thus arranging I can make a very durable article With every part thereof protected against injury by wear or otherwise. By the introduction of the guard-ring I also make the funnel hold the ink permanently and eifectually prevent the throwing out of the ink by any sudden jar upon the funnel. By this arrangement the ink-reservoir may also be got at for cleaning or other purpose without disturbing the elastic disk from its fastening.

Having thus fully described the nature of The rubber itself, being vulcanized,

ing from its part the elastic diaphragm, sub' stantially as described. y y

ROBERT T. FRY.

Vitnesses: l

A. B. SToUGHToN, L. C. DONN.

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