US601876A - School-desk - Google Patents

Description

A. H. KENNEDY.

(No Model SCHOOL DESK.

Patented Apr, 5,

NrTEn STATES Eric/E.

ATENE ALBERT II. KENNEDY, OF ROCKPORT, INDIANA, ASSIGNOR TO TI-IE CLEVE- LAND SCHOOL FURNITURE COMPANY, OE CLEVELAND, OHIO.

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SPECIFICATION forming part of Letters Patent No. 601,876, dated April 5, 189s. Application led April l, 1897.l Serial No. 630,201.` (No model.)

To all whom it may concern:

Beit known that I, ALBERT H. KENNEDY, a citizen of the United States, residing at Rockport, in the county of Spencer and State of Indiana, have invented certain new and useful Improvements in School-Desks, of which the following is a description, reference being had to the accompanying drawings and to the letters of reference marked thereon.

My invention relates to improvements in school furniture, and comprises the combination of an adj ustable'seat for the pupil and an adjustable desk at the rear of said seat for the pupil behind him; and theV object of my invention is to produce a strong, substantial, neat, and convenientlyoperated structure whereby the supporting mechanism for the moving parts may be simultaneously adjusted and whereby said moving parts are attached to the stationary supports in a simple and convenient manner.

In the accompanying drawings, Figure lis a View in side elevation, the upper portion thereof being in vertical section, showing the interior construction. Fig. 2 isa rear Vend view in elevation; Figz is a detail Aon the `line 3 3 of Fig. 2. Fig. tis a detail on the line 4t 4 of Fig. 2.

A A are the two standards or main supports with feet a a, which support the combined desk and chair and are preferably formed of cast metal;

B B are two metallic frames, so shaped as to receive the slats composing the back on their upper portion and the seat C at their lower portion, said seat being adj ustably connected therewith by bolts D.v The seat-frames B Bare each providedwith a downwardly-extending slotted lug E, and by means of suitable bolts e, passing through the standards -A, are securely fixed in their adjusted posi.

tions. The upper portions of the frames A are provided with beaded edges a a', and the outer edges of the said frames B B are providedwith corresponding beads b. A number of cleats' F F ff are provided upon the standards and upon the seat-frames and also upon the edges of the frames of the desk, each overlapping their coinciding beaded edges, so that when the parts are fitted together the seat and desk frames will be'vertically movable, beingheld inposition by the cleats embracing their beaded edges.

J is a vertically-movable desk secured at the rear of the seat portion, and said desk comprises end frames K, independent of the seatframes B, but similarly provided with beaded edges j and connecting lugs or cleats f, which engage the beads upon the outer edges of the standards A.

Cleats E E are preferably integral with the seat and desk frames and extend from the rear edges thereof over the beads on'gthe standards A, as clearly shown in Fig. The cleats ff extend similarly from the standards A and engage the beaded edges of the seat and desk frames, (see Fig. 4,) constituting, when the parts are put together, a strong connection, permitting vertical movement.

G indicates a projection secured to or in- 7o tegral with the upper portion of each of the standards A, and H is a lug projecting from each of the seat-frames B. An adjusting device, preferably consisting of double screwthreaded' rods I L'engag'es suitable screw- 75 threads which are formed in the stationary projections G on the ,standards A and the projections H H on .the vertically-.movable seat-frames B.

Upon the inside of the desk J are formed 8o lugs M M, through which pass a second set of adjusting-screws L, which also engage suitable screW-threads in the lugs G. With this construction the desk is adjusted vertically by the screws L L, and the seat-frames are similarly adjusted by the screws I I sepa-v rately and independently. The desk -is also sufticientlysupported by its adj usting-screws; but for greater security the seat-frames are locked in their adjusted positions by bolts e. 9o

The seat-frames B are provided with the usual slats or strips b', which extend across the space between them and form the back of the seat, and the seat C is also formed in the usual manner of slats or strips, preferably of wood, asindicated. l

The desk J is composed of the end frames K and the top aud bottom pieces 7e 7c, but may be more elaborately finished or provided with partitions, doors, dac., as desired.V

It will be understood that two sets of adjusting-screws are employed, one set on each IOO side ot the combined chair and desk, and it will be noticed that they are arranged on the inside of the piece of furniture, where they are protected and out of the way, and their upper ends are arranged to be accessible through two openings made in the top of the desk near its opposite upper corners, which openings will serve for the introduction of the usual ink-wells.

In order to secure correctness, ease, and facility of operation in making the desired adjustments, I provide a separate device for operating either set of adjusting-screws simultaneously. This device comprises a shaft N, provided at each end with yokes O O. Vithin these yokes are rotatably supported beveled gears P I), the shafts extending from which are journalcd in the lower part of the yoke and expanded to form heads p, which are apertured or otherwise formed to engage the 11pper ends of the adj listing-screws. The shaft N is provided with two beveled gears n n, and a crank Q is iixed to the end of the shaft, by turning which the beveled gears n n will be simultaneously rotated, together with the adjustin g-screws, to which they may be applied, it being understood that the adjusting device will fit both adj ustin g-screws and is applied to either, as occasion requires, and that when the desired adjustment is made the said operating device is removed, the ink-wells replaced, or suitable covers placed over the openings, when the entire adjusting meehanism is concealed.

I do not limit myself to the exact details of construction shown and described for the purposes of this application, since the same may be varied in many minor details in view of the foregoing without the exercise of invention.

Having described my invention, what I claim isl. In a combined desk and seat, the combination with the standards, two desk-fram es which slide thereon, two seat-frames which slide upon said standards, two vertical screws which engage with the standards and deskframes, two vertical screws which engage with the seat-'frames and standards, a desktop secured to the desk-frames having holes, and an operating device adapted to project through said holes and engage with and simultaneously operate both desk-frame screws or both seat-frame screws, substantially as specified. l 2. In school furniture,V the combination with the standards, two connected frame members which slide respectively thereon, and two vertical adjusting-screws which engage with said standards and frame members, with a removable operating device consisting of a shaft N, yokes O O, vertical shafts journaled in said yokes and adapted to engage with the upper ends of said operating-screws, and bevel-gears on said vertical shafts and shaft N respectively, substantially as specified.

3. In a school-desk, the combination with the end frames made in separate sections and provided with cleats adapted to secure them one to the other in vertically-adjustable positions, of adjusting-screws for each of the end frames, and an operating device for simultaneously operating the adj listing-screws.

4. In a school-desk, the combination with the standards having beaded edges,and cleats extending from' said edges, of desk-'frames having beaded edges correspondn g with those j of the standards and adapted to engage the ltending over the beading of the standards,

of vertically-adj usting screws arranged upon the inside of the said standards and means for operating said adj Listing-screws simultaneously to effect the desired adjustment.

6. In a combined school desk and seat, the combination with the vertical standards having beaded edges and cleats extending trom both of said edges, of the vertically-adjusti able seatframes similarly provided with beaded edges for engaging the cleats upon the standards and having also cleats engaging the beaded edges ofthe standards, adesk having end frames provided with beaded edges adapted to engage the cleats upon the rear edges of the standards, and provided also with cleats extending over the said i beaded edges of the standards,a screw-threaded block attached upon the inner side of each of the standards, a pair of adjusting-screws engaging the seat-frames and the blocks upon the standards, and a separate-pair of adjusting-screws engaging the desk-frames and the said blocks upon thestandards, said adjusting-screws being arranged on the inside ofl the seat and desk frames, and means for operating either pair of adjusting-screws simultaneously to effect the desired adjustment.

In testimony whereof I hereto aflix my signature in presence of two witnesses.

ALBERT II. KENNEDY. Witnesses:

ELBERT M. SWAN, E. E. WEssELnn.

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