US281104A - meyer - Google Patents

Description

(No Model.)

G. MEYER.

WOOD BENDING MACHINE.

No. 281,104. Patented July 10, 1883.

WITNESSES: INVBNTOR ATTORNEYS 1v. PETERS. Phmo-Lnhugnphuln Wuiomgiun. nu

UNITED STATES PATEN T OFFICE.

GEORGE MEYER, OF NEW YORK, N. Y.

WOOD-BENDING MACHiNE.

SPECIFICATION forming part of Letters Patent No. 281,104, dated July 10, 1883.

Application filed November 10, 18b2, (No model To all whom it may concern:

Be it known that I, GEORGE MEYER, a citizen of the United States, residing at New York, in the county and State of New York, have invented new and useful Improvements in Wood-Bending Machines, of which the following is a specification.

This invention relates to presses or machines for bending in one operation a series of rims or flaps for piano-fortes, including theveneers of such rims or flaps and other articles of a similar nature; and it consists in the novel combinations of parts hereinafter described, whereby the operation of shaping or pressing the desired article may be accomplished in a facile and superior manner.

This invention is illustrated in the accompanying drawings, in which Figure 1 represents a vertical cross-section. Fig. 2 is a side elevation.

Similar letters indicate corresponding parts.

The letterA designates the press-bed; B, the follower, and C a series of shaping-clamps for receiving the articles to be bent. Each of these clamps O is provided at one edge with a flange, I), forming a stop or abutment for the article put in. it, and at the opposite edge with set-screws F, (one or more,) which are adapted to bear against the article, thereby forcing it against the abutment, the set-screws passing through a lip or flange, o. The lower surface of each clamp D has a different curvature from its upper or inner surface, the difference being equal to the thickness of the wood used to form the desired article, and when the clamps are laid upon each other in the press said two surfaces cooperate to shape the article, as shown in Fig. 1. By the action of the set-screws F the article is firmly retained in the position to which it may be adjusted in the clamp, and hence a series of clamps may be prepared or filled and put in the press at once without any further manipulation. If desired, the abutment D can be made adjustable relatively to the edge of the clamp. The upper surface of the bed A and the lower surface of the follower B correspond in shape to the lower surface of the clamps D, and hence such parts are adapted to co-operate with the clamps, as indicated in Fig. 1. Said lower surface of the follower is formed by a faceblock, B, combined therewith.

On each side of the press are arranged a series of screw-bolts, G, which, in connection with nuts G, serve to produce the operation of the follower. The lower part of each of these bolts is perforated with a series of holes, 0, it being flattened at that place and being threaded on the upper part, and the bed A is provided with a key, H, in shape of a bolt, which is adapted to pass through either of said holes. Upon the followers B rest a se ries of crossheads, I, which project laterally therefrom at each end, and are provided with holes suitable to allow the passage of the bolts. Then the machine is applied to use, the bolts G are hung to the key or bolt H by means of their holes, and the crossheads I are put in place, with the bolts inserted and passed through their holes. The nuts G are then screwed onto the bolts, and, being tightened, they act on the cross-heads, and thence on the follower to cause its descent. By providing the bolts G with a series of holes they can'bo approximately adjusted by that means to the pile of clamps in the press, so that the least motion or adjustment of the nuts G is required. For the purpose of supporting the bolts G against lateral strain in an outward direction, I make use of braces J, which extend horizontally across the bolts on opposite sides of the press, and are held in place by a clampingyoke, K, which straddles the press and bears against both braces, it being provided with a set-screw, s, at one end.

. In order to accommodate the clamp-screws F, a space is left between those edges of the clamps containing the screws and the adjacent sides of the bed and follower, and for the purpose of obtaining a bearing for the bolts G at that place I interpose between said edges of the clamps and each bolt a block, L, these blocks being flush with the sides of the bed and follower, as shown.

What I claim as new, an d d esire to secure by Letters Patent, is

1. In a wood-bending machine, the combination, with the press-bed and follower, of the shaping-clamps G, having the abutments D at one end and the flanges a, at the other end, with set-screws passing through said flanges, substantially as described.

2. The combination, with the pressbed and follower, of the pressbolts, each having its lower part perforated with a series of holes for engagement with a key upon both sides of. the pressbed, the laterally-projecting crossheads upon the follower, the braces J, extending horizontally across the bolts on both sides the press, and the clamping-yoke,with its setscrews engaging said braces, substantially as described.

3. The combination, substantially as hereinbefore described, of the horizontal bolt braces, and the clamping yoke adapted to bear against such braces, with the press-bolts, the press-bed, the follower, the cross-heads, and the bolt-nuts.

4. The combination, substantially as here- I 5 inbefore set forth, of the shaping-clamps having at one edge the set-screws for retaining in them the article to be bent, the press-bed, the follower, the press bolts, and the bearing- .blocks adapted to be interposed between said 20 edge of the clamps and-the adjacent bolts.

In testimony whereof I have hereunto set my hand and seal in the presence of two subscribing witnesses.

GEORGE MEYER. [L s] Vitnesses:

W. HAUFF, GHAs. WAHLERs.

Images