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Publication numberUS886613 A
Publication typeGrant
Publication dateMay 5, 1908
Filing dateFeb 21, 1907
Priority dateFeb 21, 1907
Publication numberUS 886613 A, US 886613A, US-A-886613, US886613 A, US886613A
InventorsChristian Krogh
Original AssigneeChristian Krogh
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Means for clamping joinery-work.
US 886613 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)



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Specification of Letters Patent.

Application filed February 21, 1907.

Patented May 5, 1908.

Serial No. 358,604.

To all whom it may concern:

Be it known that I, CHRISTIAN Knoen, a subject of'the King of Norway, residing at Stavanger, Norway, have invented certain new and useful Improvements in Means for Clamping Joinery-Work; and I do hereby specification.

My invention relates to means for pressing or clamping articles such as boards, panels etc. tight together while being glued, and my invention consists in certain combination of parts, whereby the articles may be held firmly and pressed both in the direction of the lane of the same as well as perpendicularFy thereto.

In the accompanying drawings Figure 1 shows a side view and Fig. 2 a ground plan of the implement. Fig. 3 is a cross section on line 33 Fig: 1 and Fig. 4 is a detail.

1 is a guide bar of T-section. At one end is a standard 2 on which slides a piece 3 having a bolt 4 which serves as pivot for the presserarm 57 On the latter is adjustably mounted a presserhead 6, from the branches of which are suspended pusherarms 8, 9 con nected at the other end with a stay 14, by way of which the so formed link may rest on the guidebar. On the latter is placed a sliding piece 12 (shown in Fig. 4). It will be seen that when the wood pieces 16 are placed on the guidebar 1 against the foot 13 and the presserhead 6 is suitably adjusted on the presserarm, a very effective pressure may be exerted on the boards by moving the presserarm 5 down till it rests on the boards. As the ivot 10 is below the point 14 the arm 5 W1 1 in this position be held tightly down on the boards, the link 8 acting as a toggle joint.

The presserhead 6 is held on its place on the arm 5 by friction; the arm may also be notched on its edges to give it a better hold on the presserhead:

I claim:

1. In an implementfor clamping joinery work the combination with a guide-bar, and a stationary and a movable presser-foot on the same, of a presser-arm adapted to press the work iece down on to the guide bar, an adjustabl e presser-head on the presser-bar, and a link connected with the resser-head and adapted to be pushed against the movable presser-foot. by a swinging movement of the presser-arm, so as to press the workpiece in a direction parallel to the guide-bar.

2. In a device of the character described, the combination with a guide-bar, a standard at one end thereof, and a piece slidingly mounted on the standard, of a presser-arm ada ted to press the workpiece down on the gui e-bar and being pivoted to the said sliding piece on the standard, a presser-head adjustably mounted on the presser-arm, a presser-foot slidingly mounted on the guidebar, a stationary presser-foot on the latter, and means intermediate the presser-head and the said sliding presser-foot adapted to move the latter along the guide-bar and clamp the workpiece between said sliding presserfoot and the stationary presser-foot. In testimony that I claim the foregoing as my invention, I have signed my name in presence of two subscribing Witnessesv CHRISTIAN KROGH. Witnesses:


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2569450 *Aug 1, 1947Oct 2, 1951Norwalk Clamp CorpClamp
US5058870 *Aug 7, 1990Oct 22, 1991Cetnar Raymond PClamping apparatus
US5421384 *Jan 26, 1994Jun 6, 1995Nuwordu; Alexander A.Unlimited width dovetailing system with overhead clamp
Cooperative ClassificationB25B1/2405