US1339068A - Chair - Google Patents

Description

a. w. MARTIN.

CHAIR.

APPLICATION FILED NOV. 28, 1919.

Patented May 4, 1920.

1 ATTORNEY;

GEORGE w. MARTIN, or PHILADELPHIA, N'Ew roan.

, CHAIR}.

Specification of Letters Patent.-

Application filed November 28, 1919. .Serial Iio. 341,046.

. erful means for connecting the rear corners of the seat, and related parts to the back posts of the chair. And a further object is to generally improve, simplify and strengthen the construction of chairs of the class. V

ft attain these .objects by the means set forth in the detailed description which follows, and as illustrated by the accompanying drawing, in which-- ignre 1 is a horizontal section of a chair, taken on line ll of Fig. 2, to which my improvement is applied.

Fig. 2 is a perspective View of the corn plete chair.

Fig. '3 is an enlarged broken plan view, and partial section of the bolting cleat and one of the back posts; showing the disposition and arrangement of the connecting parts.

Fig. 4 is a broken rear elevation, taken in the direction of the arrow in Fig. 3.

Fig. 5 is a top face view of the bolting cleat.

in the drawing, 22 represent the back posts of the chair, 3-3 the front posts or legs, and 4 and l respectively the side and end rounds which connect the several legs or posts. 5 represents the seat panel, the rear corners of which are provided with semi-circular notches 5 to loosely receive the back posts 2-2. The seat also connects in a well-known manner with the tops of the front legs 33.. The rear-end of-the seat 5 rests upon and is entirely supported by a cross cleat 6, hereinafter referred to as the bolting cleat, whose length preferably corresponds to the breadth of the seat 5.

The rear corners of the cleat 6 are also provided with circular notches 6 for closely receiving the back posts 22'. The front edge of the bolting cleat 6 is provided with similar V-shapeol notches 6 which are disposed an equal distance from the corresponding ends thereof, and connect with the notches 6' by holes 6*, which are bored at an angle of approximately 90 to the front and "rear edges of the, cleat. The cleat 6 is first notched and bored, as shown in Fig. 5, and

then glued or otherwise rigidly fastened to the underside of the seat. After the frame of the chair is put together, and the seat 5 is placed in proper position, the back .posts 2-2 are bored at 2 in line with the holes 6*. The cleat 6 is then glued to the posts 22', and a T-bolt 7 is inserted through each post and through the corresponding hole 6*, the threaded ends of the bolts projecting into the notches 6'. Washers 8' and nuts 9 are then applied to the free ends of the bolts 7 and the nuts tightened up. The slight clearance shown at 6 see Figs. 1 and 4), between the seat 5 and the back posts 2-2, is provided for allowing certain movements of the back posts without prying against the end of the seat, and thereby straining and weakening the connections between the seat and the bolting cleat 6.

The arc-shaped heads of the bolts 7 which grip the rear third of the posts 2--2, tend to strengthen the connections and add greatly to the appearance and smoothness of w the finish. The disposing of the bolts 7 at the angles shown, tends to drawthe posts toward the center of the seat panel, as shown by dotted lines in Fig. 1, and pro-- vents the common tendency of the back posts to spread under the strain of hard usage. By rigidly securing the seat panel to the cleat 6, and then securing thesaid cleat directly to the back posts, enables me to use relatively light material for the seat, and still produce a chair structure which will withstand considerable wear and abuse and not get out of order. v

Having thus described my invention,

Patented May 4, 1920.

what I claim as new and desire to secure by vided with V-shaped notches connected to.

the sockets of the cleat by angular holes which aline With the perforations in said posts, bolts driven through said posts and said cleat, the heads of said bolts engaging the rear faces of said posts, the threaded ends thereof projecting into said notches,

and nuts concealed by said notches adapted 10 for rigidly holding the said parts together. In testimony whereof I affix my signature.

GEORGE W. MARTIN.

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