US1324186A - Albert wahuer - Google Patents

Description

A. WANNER, In.

CHAIR.

APPLICATION FILED DEC-1| I9I7- RENEWED OCT. 22' H9.

Patented Dem, 1919.

a v a *A' ATTORNEY.

wmvsss i C UNITED s'rarns PATENT onnion.

ALBERT WANNER, 5a., or new YORK,"1 T. Y.

CHAIR.

Specification of Letters Patent. a Patented Dec. 9, 1919.

Application filed December 1, 1917, Serial No. 204,956. Renewed October 22,1919. Serial No. 332,549.

To all whom it may concern:

Be it known that I, ALBERT WANNnR, Jr., a citizen of the United States, residing at New York city, in the county of New York and State of New York, have invented certain new and useful Improvements in Chairs, of which the following is a specification;

This invention relates particularly to back-and-back-leg structures for chairs of the class in which the independence of the back-proper as a part of the design of sand structure is emphasized by giving the frame of such back-proper an open or endless form. In the improved back-and-back-leg structure the open-form back-proper, preferably out out of a plate of laminated sheet material, is set into a half-check formed at the front of an inclined elongated head or enlargement integral with the upper end of each back leg, which projects above the seat, the back proper having its central portlon preferably depending below the point where t is halfchecked into the legs so that the same 1s subjected to the pressure of the low,er-baok of the occupant, thus in a material measure 0&- setting the pressure of the occupants back against the top of the back-proper and thereby preventing undue leverage being exerted on the joints between the legs and backproper.

While thus producing a strong and durable construction andone that lends itself to wide variations in design, particularly of the baok-proper,I produce a bacl -and-backleg structure that may bemanufactured at the minimum expense of time, labor and materials.

In the accompanying drawings,

Figure 1 is a perspective view of a chair embodying my improvement;

F ig. 2 is a fragmentary side elevation, showing mainly the back-and-baok-leg structure and the seat; and

Fig. 3 isa rear elevation of the joint 'between the back-proper and a back-leg.

In the'drawing, a designates the seat and b the front legs of a chair; 0 designates the back-legs which are secured to the back of the seat in any well-known manner, their upper ends projecting Well above the seat.

, The upper end of each back-leg 1s formed at the front with a half-check (Z, to which more detailed reference will be made.

The back-proper e is preferably made of 65 layers of laminated material (aslayers of wood having their grain crossed) cemented together, the plate of laminated material thus formed being suitably shaped to produce such back structure, as by beingcurved to conform to the back and by being provided with openings f and given a contour g which accord with some selected design; in the present instance the inner opening 7 is caned or upholstered.

The back-proper is assembled with the legs 0 by being set into the half-checks cZ thereof and secured therein by screws and gluing or in any other suitable manner.

To provide for a more or less vertically elongated bearing of the back-proper against each leg the upper end of each leg is formed with an inclined elongated enlargement or head it, and the half-check cl is formed in this enlargement or head longitudinally thereof; the two enlargements or heads converge downwardly. The design of the backproper is subordinated to the joint to be effected between it and the upper end of each leg to the extent of producing the long up and down bearing of the back-proper on the leg, but otherwise the design may be treated with entire freedom. In the present case, the lower part of the back-proper is ovalshaped, and the half-checks cl are so shaped that they will conform thereto with the obj ect of producing a fiat face to face contact between the back face of the back-proper and the forwardly facing surface d of each half-check and also between downwardly converging portions of the marginal face of the'back-proper and the downwardly converging inwardly facing surfaces d" of the half-checks;

Further, in the preferred construction, the lowermost middle part of the back-proper extends below the joints formed between the same and the back-legs at the half-checks in the latter, so that the lower back of the occupant offsets the pressure which theupper part of the occupants back exerts against the top of the back-proper; this reduces considerably the leverage which would otherwise be exerted by the back-proper, with the tendency tobreak down the joint between the same and the back legs.

Having thus fully descrlbed my invention, what I claim as new and desire to secure by Letters Patent is In a chair, the combination, with a seat and front legs attached thereto, of a backproper, and back-legs attached to the seat and projecting at their upper ends above the same and each having an elongated integral head at its upper end and a half-check formed in the front of such head longitudinally thereof and having an inwardly facing surface anda forwardly facing surface, said heads and their half-checks converging downwardly, and the back-proper being secured in the half-checks and bearing against 10 each forwardly and inwardly facing surface thereof.

In testimony whereof I affix my signature.

ALBERT WANNER JR.

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