US1805395A - Work table and clamp - Google Patents

Description

May 12, 1931. J. F. GLASS 1,805,395

WORK TABLE AND CLAMP Filed March 13, 1930' 2 Sheets-Sheet 1 zyz ATTORNEY (II? 'la'asgmmn y 1931. J. F. GLASS 1,805,395

WORK TABLE AND CLAMP 2 Sheets-Sheet 2 Filed March 13 1930.

ATTORNEY rearflange. i

This inventlon also consists in certain other features of construction and in the oombina-, tion and arrangementof the several parts, to p l 'atented May 12; 1931.

JAMES E. erase, or cannon; cuegxasl WORK TABLE arm time.

Application filed March 13,-1930fsfiwarofiriissa; i

This invention relates to a table and clamp which is mainly designed to holdgrain doors while they are being constructed, the gen-' eral object of the invention being to provide a flange at the rear side of the table and a movable flange at the' front thereof, with a lever arranged at the rear of the table and so connected with the movableflange that when thelever is moved inone direction, the said movable flange will be caused to clamp the object on the table between itself andthe be hereinafter fully described, illustrated in the accompanying drawings and specifically I pointed out in the appended claims. I v In describing the invention in detail, refer-- ence will be had to the accompanying dr aw-- ings wherein liltecharacters denote likeo'r correspondmg parts throughout the several views, and in which 7 Figure 1 is a top plan view of the table. Figure 2 1s a rear vlew thereof.

Figure 3i-s a section on line 33 of Figure 1 V Figure 4 is a section on line of F igure 1.

Figure 5 is a bottom plan viewshowing,

the crank means operated by the turning of.

the lever. p In these views, the letter A indicates the table and 1 indicates a'flange connected with the rear part of the top of the table and 2 indicates a flange connected with one endof the table. A movableflange 3 is arranged at; the front/of the table and is fastened to the bars 4 whichpas s through the transverse grooves 5 formed in the table topand which are covered by the plate '6 which covers the table top. The rearends of thesebars are turned upwardly, as shown at 7, and they are fastened to the ends of a curvedbar 8. Bolts, 9 pass through holes in the turned up ends 7 and are-threaded into holes in the flange 1;

Springs 10 are carried by thesebolts and ,en-

gage the turned up ends 7 so that these springs" normally hold the bars 4 and the movable flange 3 in their rearward limit of movethe bar 8. i

- Thus it willbe seen that by turning the up:

ment. ;A support 11- is connected to the rear 1 flange 1 andan upright 12 isrotatably arrangedin-the'support and" has a'handle '13 connected with itsupper end. Adisk latis connectedwiththe lower end'of the upright and carries a crank pin 15- whiclrpasses the bar being fastened to the central part of rightor shaft-l2 by the lever or handlelii,

' thecrank pin will eXert-a'pull upon the bar 16 sothat thebar 8 is mo'vedtoward the table and this movement is communicated to the flange 8,;by thebars soithat said flange is @movid outwardly toi permit anobject to be placed on the table and then by releasing'the iandl'e or rlever18, the springs .10 willmove the 'bars "lfrearwardly' and thus cause the" fiange' 3'tocl'a1np the "objectodthetablebew through a hole in a bar 16, the other end of tween itselfandthe stationary flange 1. "At-f tention is called to the fact that the clamping flange 3 is at the front of the table and that the operating'parts are at the rear thereof, so 7 that these partswill not be in the way of the workmen at the front of the table. The springs willcause the clamping flange 3 to firmly grip the object so that there is no danger of the parts working loose,as the door a is being nailedtogetherso-thatvthe door is tight when finished,

It is thought from the foregoing description that the advantages and novel features of theinvention will be readily apparent; It 1s" toibe understood that changes may be made n .thQ COIISlZI'LI CUOU and in the combination and arrangement of the. several parts, provided that such changes fallnvithin the scope- 0f the appended claims.

1. A" devi'ce Off/he class described comprising :a table havinga stationary flange atlits rear side, a movable flange at the front side, bars passing through the table and connected with the movable flan ge, l springs asso ciated 'withthe-rearparts of the bars'for'. ,holding the flange 'inclamping position and. means atthe rear of the table for moving thehars forwardly against the action of the springs to move the front flange forwardly.

2. A device of the class described comprising a table having a stationary flange at its rear side, a movable flange at the front side, bars passing through the table and connected with the-movable flange, springs associated with the bars for holding the flange in clamping position, means at the rear of the table for moving the bars forwardly against the action of the springs to move the front flange forwardly, such means comprising a bar connecting the rear ends of the first mentioned bars together, a shaft having a crank pin thereon, a bar pivoted to the pin and to the connecting bar and a handle on the shaft for turning the same.

3. A device of the class described comprising a table, a stationary flange at the rear edge of the top of the table, a movable flange at the front of the table top, bars passing through the table and connected with the front flange, the rear ends of the bars extending beyond the table and having their ends bent upwardly, bolts carried by the table and passing through the bent-up ends of the bars, springs on the bolts and bearing against the turned up ends for holding the bars in their rearward position, an upright shaft journaled in the rear part of the table, a handle on the upper end of the shaft, a crank pin at the lower end of the shaft, a cross bar connecting the rear ends of the first mentioned bars together and a bar pivoted to the crank pin and connected to the central part of the cross bar. I

In testimony whereof I affix my signature.

JAMES F. GLASS.

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