US2129133A - Veneer gauge for clippers - Google Patents

Description

Sept. 6, 1938. 5, E 2,129,133

VENEER GAUGE FOR CLIPPERS Filed NOV. 2, 1957 lnnentor Iben Gttotneg Patented Sept. 6, 1938 Z UNITED STATES PATENT OFFICE VENEER GAUGE FOR CLIPPERS- Hajo Bernhard Iben, Hoquiam, Wash, assignor to Harbor Plywood Corporation, Hoquiam, Wash., a corporation of Delaware Application November 2, 1937, Serial No. 172,393 4 Claims. (Cl. 164-59) Rotary veneer is manufactured in sheets or will yield under the influence of a curled or strips of considerable and indeterminate lengths. warped edge of the flimsy veneer. It is necessary to out these strips into widths The veneer is fed in the direction of the arrow suitable for incorporation in plywood, and this A from a feed table I past a clipping knife 2 5 is done by clippers or knives which sever it and cooperating shear plate 20 onto a clipping 5 along lines generally lengthwise of the grain. table 3. Suitable conveyor means, indicated at In order to avoid wastage of material, and to ID and 30, which may be in the form of belts, standardize the sizes of the facing strips which chains or the like, are employed upon the feed are incorporated in the plywood, so that entable and clipping table, respectively, to adsuing steps in manufacture can be easily and vance the veneer, which is shown as a strip V 10 economically carried out, it is necessary that of indeterminate length. the width out 01f be measured with reasonable Supported in position immediately above the exactness, yet without stopping the operation of table 3, and at a known distance from the clipthe veneer cutting knife, nor of the handling ping knife 2, is a gauge finger 4. This finger and conveying mechanism which takes away the depends from a pivotal support 40, the axis of 15 veneer as it is formed. The operation of measurwhich is parallel to the surface of the table 3, ing must therefore be done with rapidity, yet and transverse tothe direction of advance of also with accuracy. the veneer indicated by the arrow A. The lower If the veneer were substantial in character and nd o t e gauge fi e 4 s Spaced above e rigid, this would be a comparatively simple mattable and above the path of the veneer sufil- 20 ter to accomplish, but the veneer is flimsy, It ciently that theveneer will pass beneath it, prefmay tend to curl and warp, either at an advancerably without any contact whatsoever, at least ing edge or intermediate its edges, so that it is so long as the veneer lies close to or fiat upon not practicable to bring an advancing edge the table, but for accuracy of measurement the against a stop mechanism to gauge its width. au e fi e S u d be i t y l se to the 25 It is an object of the present invention to protable that an operator, controlling the operavide a gauge mechanism for use in clipping tion of the clipping knife 2, can determine when veneer, which will be accurate, rapid, and which th adv n n edge f t v n r ome in o will not be affected by the flimsy character of g s y with the gau e finger a d all this e, the material which is being measured. by mechanism which is not illustrated but which 30 It is a further object to provide such mecha- I is Common in the art, he actuates the p g nism which h ll b simple i h t d knife 2 to sever the desired width of veneer from which may be adjusted'either for different thickthe advancing pnesses and types of veneer, or for greater It will be evident that the veneer, being occacuracy with relation to the distance from the i n r m wh curled r W rp d, w ll en- 35 clipping knife, and which is readily incorporated gage e a e finger 4 all 0 1 po n s, t y in the mechanism now used in the handli reason of the pivotal connection of the latter and clipping of such ven er the gauge finger may be swung aside, as indicated This invention comprises the novel parts, and in d lines in Figure 21 thereby permitting 40 the novelcombination and arrangement of such Veneer to Pass freely b h it with no 40 parts, constituting a gauge for veneer and like pedance of the Veneer and With n0 damage to fli material, as shown in the accompanying the latter. In order to return the gauge finger a in accurately and promptly to its gauging position, W g descnbed m thls speclficatlon and as following such a deflection, a light spring 4| more particularly defined by the claims which may be employed connecting an arm 42 on the 45 termmate the gauge finger 4 with a point on the support for In the accompanymg drawmg I have Shown in the gauge finger indicated at 43. Stop means,

a largely diagrammatic manner an operative illustrated as co nsisting of the arm 42 and a bodiment of my invention in association with a cooperating Stop 44 in conjunction with the light Venfeer CHDPing and hajndfing tension of the spring 4|, holds the gauge finger 50 Figure 1 is an elevation of my device in asso- 4 precisely in gauging ti ciation with a veneer handling table and a clip- To accomplish adjustment of th gauge finger 1 devlcerelative to the clipping knife 2, the gauge fingers Figure 2 is an enlarged elevation of the gauge support includes a slide 45, slidable upon a bar fing r, showing the manner in. which the same 5 disposed lengthwise of the path of movement 55 2. of the veneer strip. This bar 5 may carry several such slides with their accompanying gauge fingers, or a single gauge finger may be adjusted to different positions, where it is held in adjusted position, lengthwise of the bar, by means such as the set screw 46. To adjust the gauge finger of fingers vertically, that is, with relation to the surface of the table 3, the bar 5 is held in vertical guides, such as the slots 69' formed as part of the frame 6 of the machine, and is adjustable vertically by jack screws El or equivalent means.

Each slide 45 carries an index pointer 41 which cooperates with a scale or rule 1, likewise held in the frame 6, and extending parallel to the bar 5. For accurate adjustment of the finger 4 with relation to the clipping knife 2 the scale I is adjustable lengthwise, that is, in the direction of the movement of the veneerstrip, and is held in adjusted position by aset' screw As will now be evident, the gauge finger 4, which may swing in the directionthe veneer strip is advancing, is positioned closely adjacent the path of movement of the veneer, but normally sufficiently above it that it'will not be contacted and swung aside by minor irregularities inthe veneer strip. It is adjustedforspacing, that is, to gauge the width of the veneer strip to be out 01f, withrelation to the scale I and by movement of the slide 45 along the bar 5, and it may be adjusted vertically by means of the set screws 61. Now as the advancing edge ofthe veneer strip reaches a point in vertical registry with-the gauge finger 4 the clipping knife 2 is operated'to sever the veneerstrip at this width, and unless the veneer stripis curled or warped it passes on beneath the gauge finger 4 without contacting nor affecting the latter.v Should the veneer strip, either at its advanoingedge or intermediate its edges, be warped or curled, it will engage the-veneer strip, which will be swung aside in opposition to'the light tension of the spring. This does' not-occur during any gauging operation, only afterthe gauging operation has been completed. The finger 4, being short in lengthand light-in weight, hasno effect upon the veneer and does not retard it nor curl it further. Upon passage. of the interfering portion of the veneer' stripbeyond the gauging finger the latter swings back to'its gauging position, where it isaccurately positioned by-the spring and stop means, such action occurring well in advance ofany further need for the gauge finger engaging the'width of' the veneer strip. Thus the gauging operation'is conducted accurately, rapidly, and with: no interference nor damage-to the veneer strip.- v

It will be observed'thatthe operation of the gauge finger is due primarily to the fact that it is light and resiliently mounted;

What I claim as my invention is? 1'. A gauge for use in'gauging the-width of a 1 for sliding adjustment strip of veneer or like flimsy material as it moves lengthwise of a table, preparatory to clipping such strip, comprising a bar above and extending lengthwise of the table, a scale disposed parallel to said bar, a member mounted on said bar lengthwise of the bar, and carrying an index cooperating with said scale, a finger pivotally depending from said member andhavingits lower tip lying above the normal level of veneer upon the "table, said finger being swingable in the direction of movement of the veneer, whereby it may be swung aside by a warped portion of the veneer, as the latter passes, and means to adjust said bar vertically, to adjust the clearance of the fingers tip above the-table.

2. A gauge for use in gauging the width of a strip of veneer or like flimsy material as it moves lengthwise of a table preparatory to clipping such strip, comprising a bar above and extending lengthwise of the table, a scale disposed parallelto said bar, a membermounted on said bar" for sliding adjustment lengthwise of the bar, and carrying an index cooperating with said scale, a finger pivotally depending from said slide, its lower tip lying above the normal level of veneer upon the table, said finger being swingable in the direction of movement of the veneer, whereby it may be swung aside by a warped portion of thev'eneer, as'the latter passes, means to adjust said bar vertically, to adjust the clearance of the fingerstip above the table, and means mounting the scale-for lengthwise adjustment to accurately position samerelative' to the veneer clipping means.

3. A gauge for usein gauging the width of a strip of veneer or like fiimsymaterial as it moves lengthwise of a table, preparatory to clip ping-such strip, comprisinga bar above and extendinglengthwise of the table, a member mounted on'said. bar for adjustment therealong, a gauge finger depending from said member and having its lower end lying above the normal level of veneer uponthe-table; said gauge finger being swingable in the-direction of movement of the'veneer so that it may be swung aside by a warped portion'of the veneer to permit the veneer to pass by the'same; and means for vertically adjusting said:bar'toadapt the gauge finger for use to gauge'veneers ofdifierent thicknesses.

4: A'gauge for use in gauging the width of a strip of veneer or likefiimsymaterial'as itmoves lengthwise of a table; preparatory to clipping such strip, comprising a-bar above and extending lengthwise of'the table, a scaledisposed parallel'to said bar, a member carried" by said bar and adjustable therealong, a gauge finger depending from said member,.an index carried by said member for cooperation withsaid scale, and means mounting said scale for lengthwise adjustment to accurately position same relative to the veneer clipping, means.

,HAJO BERNHARD IBEN.

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