US1777317A - Panel - Google Patents

Description

@et 7, 1930. w. E. LAND 1,777,317

PANEL emmener. 7, 1930V UNITED SfrMlF-S1'le'z'vrisNrw omas wmnnn. LAND, or'lmcimom), INDIANA Application niet nach 8,1929.' serial No. 345,391.

My invention `relates to panels employed as fixed parts of furniture or in doors and resides in an improved construction thereof.

r.lhe panel of my invention is inclusive of a frame, usually rectangular, and a panel board applied to the frame and covering thel opening surrounded thereby. The board is prefi erably made of wooden laminae with grain of adjacent laminae running relatively crosswise in accordance with common practice. The frame is also desirably made of wood and has a circumscribing iange formed integrally therewith and of a thickness approximately the thickness of each lamina..1 Suc-h Harige, therefore, partakes of the nature of the panel board applied to the frame, and enlarges the thickness of the border ofthe board that projects, with the aforesaid ange, beyond the body of the frame. The board is desirably lued or cemented to the frame, the flange ang board mutually reinforcing each other to prevent warpingand wrinkllng of the component parts of the panel.

@wing to the thinness of the integral flange of the frame, 1 employ a lapped butt joint into which the body and ange portions of the frame enter and of such construction as not to impair the strength of the thin iange.

l will explain my invention more fully by 3o referring to the accompanying drawing in which Fig. 1 is a perspective view illustrating the preferred embodiment ofthe invention, parts being broken away; Fig. 2 1s another perspective view showing the other side of the panel; Fig. 3 is a sectional -v1ew on line 3-3 of Fig. 2; Fig. 4 is a perspective view .showing the adjacent end portions of two frame members in separated relation: and Fig. 5. is a sectional view on line 5-5 of 4o Fig. 2. s

The frame member of the panel is shown as being rectangular and composed of four wooden .bars 1, 2, 3 and 4 which are preferably joined at the corners as illustrated. The

4.5 panel board is made of wooden laminae 5,

6 and 7 which are glued together 1n accordance with common practice, the grain of adjacent laminae running relatively crosswlse. The anel board is cemented or glued to the pane 4frame and projects beyond the body portion 8 thereof on all sides to form a projecting border or flange with respect to the body portion of the frame.

The body portion of the frame has an out- 'setting flange 9, 10, 11, 12 at one face of the 55 frame and in integral formation with the frame and to which lflange the panel board is also glued. '.lhe frame members or bars 1 and 3' are preferably formed with tenons 13,14, 15, 16 at the uniianged face of the frame and 60 the bars 2 and 4 are formed with tenons 17 18, 19, 20 at the flanged face of the frame. rllenons 13 and 17 extend in angular directions and lap each other as do also tenons 14 and 18, 15 and 19, and 16 and 20. The shoulder` at the C5 base of one of each two lappingI tenons has abutting engagement with the adjacent side of the other of these two tenons. The flange sections l0 and 12 extend to opposite sides of the panel beyond the tenons and the bodies of the bars integral therewith, and abut the shoulders at the'bases of the tenons upon and integral with the frame members 1 and 3 and also abut the `ends of the ange sections 9 and 11 that are between the flange 75 sections 10 and 12 and terminate at said shoulders. l have thus produced joints in the body portion of the frame having tenons in lapping relation with each other and in abutting relation with the shoulders at the base of the tenons and have provided a thin flange continuation of the frame made in sections that only have abutting engagement at the corners of the frame whereby the strength of the flange is not impaired, the joints proper being formed vbetween the comparatively heavy parts of the component lbars of the frame.

The flange enlargement of the frame constitutes, in effect, a marginal thickening of the 9G panel board and serves to incorporate the panel frame in one unitary structure withv the panel board. In other words, the integral flanged continuation of the panel frame is a unitary part of the panel board, the body portion of the frame consequently being integral with the board structure. All of the component members of the panel are thus so interlaced that the frame constitutes an efective reinforcement for the board and the board an effective reinforcement for the frame, wrinkling and warping of the adjacent glued or cemented together parts being conse uently effectively guarded against. I have .(sliown layers 21, 22, 23 of cement or glue in Fig. to illustrate the manner in which the panel bouid and frame fla-nge and frame body nre merged into :1 unitary structure.

Having thus described my invention, I cla1n:

A pu nel structure iluluding u frame having u flange :1t one face of the frame and projecting beyond the frame und integrally formed therewith; und a. panel board cemented to and covering one face of the frame und flange, wherein the frame is polygonal and is formed of bars, adjacent ends of adjacent bars being formed with lapping tenons at the corners of the frame and respectively integral with such bars, one side of one tenen ut each Corner being in abutting engagement with the shoulder ut the base ol the contiguous tenen, the flange section that is integral with the bar having the first tenon extending lengthwise of this tenon beyond the body portion of the frame and also having abutting engagement with said shoulder and with the contiguous flange section which terminates at said shoulder.

In Witness whereof, I hereunto subscribe my name.

WALKER E. LAND.

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