CN101588897B

CN101588897B - Worktable clamping apparatus

Info

Publication number: CN101588897B
Application number: CN200880001892XA
Authority: CN
Inventors: 法兰克·肯特
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-08
Filing date: 2008-01-08
Publication date: 2011-09-07
Anticipated expiration: 2028-01-08
Also published as: WO2008056191A1; GB0622179D0; CN101588897A

Abstract

The invention relates to a worktable clamping apparatus for releasably clamping a workpiece (W) between a pair of convergeable clamping edges of clamping jaws (1, 2) mounted on a supporting substructure. The apparatus is provided with an auxiliary support member (11, 11') connected thereto at a position (12a) at or above the upper frame (3) of the substructure. In use, the auxiliary support member(11, 11') presents an upper supporting surface between the respective clamping jaws (1, 2) but below the level of their clamping edges for supporting a workpiece (W) and/or a work-tool. The auxiliary support member (11, 11') may be in the form of a compartmentalised tray for storing tools or other auxiliary items. The auxiliary support member (11, 11') is displaceable relative to the respective c lamping jaws (1, 2) between a first position in which it is retracted beyond a clamping edge of a clamping jaw (1) such that the surface area of its upper supporting surface is concealed beneath the clamping jaw (1), and a second position in which the surface area of its upper supporting surface at least partially protrudes beyond the clamping edge of the clamping jaw (1).

Description

Worktable clamping apparatus

Technical field

The present invention relates to a kind of Worktable clamping apparatus (worktable clamping apparatus) in order to one workpiece of clamping releasedly between two gripper clamps, and more particularly, but and non-exclusively, relate to a kind of Worktable clamping apparatus that is incorporated in retractible storage device under the gripper clamp.

Background technology

Traditional workbench usually can be therebetween the below have a storage channel or groove, to hold aid (auxiliary item), such as instrument, chi, pencil, or its analog.The storage channel position of conventional table wants the Distance tool platform surface that enough intervals are arranged simultaneously, to avoid hampering the workpiece that is supported near the peripheral region of working face to allow user's aid of conveniently taking be as the criterion.

This class workbench is most of to be replaced by light-weighted Portable/foldable clamping table (clamping table), and its annexable gripper clamp by two planes is formed, and compares down with conventional table to have less surf zone.This class workbench has individual risk to be, this class clamping table is stored in aid working face or near on the working face, can has influence on its operation or folding.In addition, it is to be stored in working face or near the aid of working face or because of the action of workpiece that individual problem is arranged, or is moved or sweeps away because of the adjustment of gripper clamp relative position.

In the clamping table of Portable/foldable, various aid storage devices is arranged.For instance, it can provide a series of hole on the beam of table pin, as the storage shelf of instrument.

Also a stationary storage tray can be attached to the minor structure of clamping table in addition, but above-mentioned solution at ergonomics, convenience, being easy to can't be exhaustive in usability and the security.

Summary of the invention

The invention provides a kind of Worktable clamping apparatus in order to one workpiece of clamping releasedly, this equipment comprises two and is set up in a gripper clamp that supports on the minor structure, in the described gripper clamp at least one can be on a upper frame of this minor structure towards or away from another gripper clamp, to promote laterally can to merge clamping one workpiece between the gripper edge at described respective clamp pincers, this equipment also comprises one and is positioned at the upper frame of this minor structure or the position on it and is connected to the auxiliary support member of this Worktable clamping apparatus, in use, this auxiliary support member presents a upper support surface between corresponding gripper clamp, but be positioned under the position standard of gripper edge, in order to support a workpiece and/or a Work tool, it is characterized in that, this auxiliary support member is with respect to the primary importance of this corresponding gripper clamp and the second place and can rotate, described auxiliary support member surpasses a gripper edge of a gripper clamp at this primary importance regracting, make that the surface area on its upper support surface is to be hidden under this gripper clamp, and described auxiliary support member is in this second place, and the surface area on its upper support surface stretches out this gripper edge above this gripper clamp at least in part.

The auxiliary support member regracting surpasses this gripper edge of this gripper clamp, but allows user's free access when gripper clamp is separated from each other in the space between between the respective clamp pincers.

Preferably, this auxiliary support member provides the dual-use function of a storage device.

Optionally, the width of this auxiliary support member is at the corresponding width of this clamping direction greater than a single gripper clamp.

Such configuration can guarantee that when corresponding gripper clamp was separated from each other, at least a portion of this auxiliary support member can be outstanding from a gripper clamp.

Alternatively or extraly, the displacement of this auxiliary support member between this first and second position can make at least one part of this auxiliary support member extend beyond a non-gripper edge of this gripper clamp.

No matter this of this auxiliary support member one action can be under the situation whether gripper clamp separates, allow the user can both surperficial access thereon, but only this auxiliary support member have only part under this gripper clamp when outstanding.When moving on the action of auxiliary support member is restricted to this gripper edge of this gripper clamp, this upper support surface can promote to support a workpiece and/or a Work tool between the respective clamp pincers.Yet when the action of this storage device relates to action on the non-gripper edge at this gripper clamp extraly or alternatively, this upper support surface can promote the non-gripper edge around other of respective clamp pincers to support a workpiece and/or a Work tool.

Preferably, this auxiliary support member can be shifted on a horizontal plane of the bottom surface of close these corresponding gripper clamps.

Optionally, this storage device is defined by the storage recess that at least one is formed in this upper support surface.

Storage device can be the shape of concave surface, is formed in the volume of material, and the upper surface other parts of this material are the plane.For instance, the profile and the degree of depth of the concave surface Work tool that can corresponding will be stored.

Optionally, this storage device is a pallet, and this upper support surface is defined by the upright surrounding edge of described storage device and/or the uppermost surface of inner compartment.

For instance, pallet can have the storage recess of compartment with definition different shape and the degree of depth, meeting the instrument that will store such as fixed screw, nail, pencil, and pencil etc.Pallet can by, for instance, wooden, metal or plastic material are moulded and are formed.

Preferably, locking device is provided in order to optionally this auxiliary support member is locked in the desired location with respect to a gripper clamp.

Locking device can be the form of a support bar, hangs from a gripper clamp, and it can be lifted or reduce, to engage with the bottom surface locking of auxiliary support member or to break away from.

Optionally, at least one feet is provided on this auxiliary support member to provide extra support at its first direction.

For instance, when auxiliary support member moved a non-gripper edge of crossing a gripper clamp, this auxiliary support member can lack support away from an end of this gripper clamp.Provide one or more feets by the bottom surface in this auxiliary support member, it is long-range can be supported on the ground voluntarily, on the table, perhaps even on the minor structure of this equipment.Feet can be fixed in a position, or rotates to a Support Position slidably or around the axle center.

In an improvement embodiment of the present invention, a stationary storage means is provided in the position on this Worktable clamping apparatus, its under those gripper clamps and between, and accumbency is on a plane that is positioned under this auxiliary support member

Preferably, but this auxiliary support member at horizontal shift on this stationary storage means to form a lid (lid) within it on tolerant.

In this way, this auxiliary support member is as a lid, optionally to open and close this storage device.

Preferably, this auxiliary support member has the dual-use function of a storage device, and described two gripper clamps can merge on this displaceable storage device to form a lid within it on tolerant.

In this way, described two gripper clamps are together as a lid, optionally to open and close this displaceable storage device.

Preferably, this whole minor structure is pivoted to this stationary storage means to promote the pivotal displacement of this minor structure away from this stationary storage means, so that the access of this stationary storage means to be provided.

The method that therefore, two kinds of these storage devices of access are arranged: (i) slide this auxiliary support member (it can hold or not hold storage device itself) with the stationary storage means under exposing; Perhaps (ii) with minor structure (comprising this auxiliary support member and those gripper clamps) around pivot rotation with away from storage device.

Optionally, this auxiliary support member has handle, to promote carrying of this equipment.

For instance, when corresponding gripper clamp is completely integrated, and after equipment decomposed fully, the handle on auxiliary support member (it is locked in the position with respect to a gripper clamp) can be used to carry entire equipment.

Description of drawings

Below conjunction with figs. is illustrated embodiments of the invention, wherein:

Figure 1 shows that the floor map of one first embodiment of Worktable clamping apparatus of the present invention, it has the support that can articulate withdrawal, in order to a piece-holder between those gripper clamps;

Figure 2 shows that the side view of the Worktable clamping apparatus of Fig. 1, the feet of equipment is not drawn, so that clearer expression the present invention;

Figure 3 shows that the side view of the Worktable clamping apparatus of Fig. 1 and Fig. 2, the wherein said support that articulates withdrawal has been retracted back under the gripper clamp, can hold a workpiece that is placed on the minor structure of equipment so that allow between the space between respective clamp pincers;

Figure 4 shows that the side view of the Worktable clamping apparatus of Fig. 1 to Fig. 3, the wherein said support that articulates withdrawal has been retracted back under the gripper clamp, can be contained in by the workpiece of vertical clamping in the scope of minor structure of equipment one between the space between respective clamp pincers so that allow;

Figure 5 shows that the floor map of second embodiment of Worktable clamping apparatus of the present invention, it comprises the pallet that can articulate withdrawal, and in order to hold instrument and/or auxiliary material, pallet also has the dual-use function that support one is positioned at the workpiece between gripper clamp simultaneously;

Figure 6 shows that the floor map of improvement of the equipment of the 5th figure, the pallet that wherein can articulate withdrawal by one slidably the pallet of withdrawal replace;

Figure 7 shows that the end view (from handle end) of the equipment of Fig. 6, wherein slidably the pallet of withdrawal couples with the chute that is attached on the minor structure of equipment;

Figure 8 shows that the floor map of improvement of the equipment of Fig. 6, wherein slidably half of pallet of withdrawal of double-width is exposed between gripper clamp to present a stayed surface that is used for a workpiece and/or instrument, second half is hidden under the gripper clamp, is represented by dotted lines;

Figure 9 shows that the floor map of the equipment of Fig. 8, wherein slidably the pallet of withdrawal has been shifted in to the right, and making does not have obstacle between the space of gripper clamp;

Figure 10 shows that the floor map of the equipment of Fig. 8 and Fig. 9, wherein corresponding gripper clamp is completely integrated, with the lid as the storage tray under hiding;

Figure 11 shows that the end view (from handle end) of the equipment of Fig. 8 to Figure 10, wherein slidably the pallet of withdrawal is to be positioned on the locking device of " going up pincers (up-clamp) ", and this locking device is in order to schedule a position with respect to gripper clamp with this pallet lock;

Figure 12 shows that the side view of the Worktable clamping apparatus of an improvement and minification, it comprises a pallet and a stationary storage tray of slidably withdrawing;

Figure 13 shows that the floor map of the equipment of Figure 12, wherein corresponding gripper clamp is to be separated from each other, and retractible storage tray is to be moved a non-gripper edge that surpasses a gripper clamp;

Figure 14 shows that the floor map of the equipment of Figure 12, wherein corresponding gripper clamp is completely integrated, and the notch part of retractible storage tray is hidden under the corresponding gripper clamp;

Figure 15 shows that the perspective view of the retractible storage tray of Figure 12 to Figure 14, wherein more clearly draw its feet and handle;

Figure 16 shows that the floor map of a Worktable clamping apparatus, it shows a retractible storage tray at its open state, and corresponding gripper clamp is separated from each other and comprises an improved device storage tray is attached to upper frame;

Figure 17 shows that the floor map of the Worktable clamping apparatus of Figure 16 in its closed position, wherein corresponding gripper clamp is completely integrated; And

Figure 18 shows that part sectioned view between the binding of retractible storage tray and this upper frame.

The specific embodiment

Fig. 1 with Figure 2 shows that lightweight Portable/folding type clamping table, comprise two plane gripper clamps (1,2), be attached to the upper frame (3) of a minor structure by pincers seat (7,8).Corresponding gripper clamp (1,2) can pass through the clamp axis of upper frame (3) and merge each other or away from each other, clamp axis can be started by the grip handle (4) of rotation upper frame (3) end.Two supporting members (5) are attached to the bottom surface of gripper clamp (1) with articulating by a bolt (6), wherein be depicted as the release position, the outstanding gripper edge that surpasses gripper clamp (1) of supporting member, and be positioned at corresponding gripper clamp (1,2) between, in order to support a workpiece (W).This configuration can remain on workpiece expediently and not need the operator with the position of holding post, allows the operator can rotate two grip handle (4) simultaneously.The retracted position of two supporting members (5) is represented with dotted line (5a).

Fig. 3 with Figure 4 shows that the situation that two supporting members (5) need be retracted to the retracted position under the gripper clamp (1).For instance, (W) is darker than the degree of depth of the workpiece shown in second figure for the workpiece shown in the 3rd figure, for the such large-scale workpiece of the 3rd figure (W), and usually will be clamping workpiece, to guarantee stability with the spaced position of the edge of work.In order workpiece (W) will to be clamped in the position intermediate of lower limb on it, therefore can by the minor structure of equipment workpiece (W) be supported on upper frame (3) in a horizontal direction.Situation shown in the 4th figure is to work as workpiece (W) by vertical clamping, and extends through the breach of upper frame (3).This mode is specially adapted to large-scale flat-plate type workpiece (W).

Figure 5 shows that according to Worktable clamping apparatus of the present invention it has two and articulates retractible storage tray (9), it is the pallet that compartment is arranged, be fit to store aid, as fixed screw, nail, with and analog.Pallet shown in the figure (9) is in the release position, and wherein they outstandingly surpass the gripper edge of gripper clamp (1) and enter space between respective clamp pincers (1,2).Withdrawal (close) position of respective trays under gripper clamp (1) represented with dotted line (9a).The upper limb of upright partition wall is positioned at same plane and provides support the upper support surface of workpiece (W) and/or Work tool, and promote need be with the dual-use function of hand holding workpiece.The compartment that pallet among the figure (9) has four equal sizes, but can other direction, size and the degree of depth be arranged according to the project that will store.Pallet (9) can be formed by a plastic material, and shapeable is a single-piece, and perhaps wherein one or more parts also can be formed by wood or metal.

Figure 6 shows that the floor map of improvement of the equipment of the 5th figure, the pallet that wherein can articulate withdrawal by one slidably the pallet (10) of withdrawal replace.Withdrawal (close) position of respective trays under gripper clamp (1) is to represent with dotted line (10 ').Should be apprehensible be that this kind configuration can provide a large amount of storage area and with the length of its extension supporting workpiece and/or Work tool extraly.

Figure 7 shows that the end view of the equipment of the 6th figure, wherein explanation slidably the pallet (10) of withdrawal how couple by the chute (10a) of the relative inner on the minor structure that is attached at equipment.

Figure 8 shows that the preferred embodiment of Worktable clamping apparatus of the present invention, wherein slidably the pallet of withdrawal comprises two associating parts (11,11 '), so that the width with the pallet (10) that doubles Fig. 6 to be provided, and approximate the merging width of two gripper clamps (1,2) greatly, the big part (11) of pallet is by outwards outstanding under the gripper clamp (1), surpassing the gripper clamp edge, and be positioned between the corresponding gripper clamp (1,2).When the big part (11) of pallet during in this position, smaller parts (11 ') is hidden under the gripper clamp (1) fully.Retractible pallet is erected on the support bar (12) slidably, below can cooperate Figure 11 to be illustrated.

The Worktable clamping apparatus that Figure 9 shows that Fig. 8 is retracted to gripper clamp (1) at the big part (11) of pallet.Withdrawal action represents with arrow, can make so that smaller parts (11 ') is outstanding to surpass the relative non-gripper edge of gripper clamp (1) and be positioned between two grip handle (4).When the smaller parts (11 ') of pallet during in this position, big part (11) can be hidden under the gripper clamp (1) fully.The operator have several may be to pallet (11,11 ') do this action: (i) discharge respective clamp pincers (1,2) space between to be to carry out the clamping operation of the 3rd figure and the 4th figure, and perhaps (ii) access is stored in aid in the smaller parts (11 ') of pallet.The smaller parts of pallet (11 ') forms when smaller parts (11 ') extends beyond the non-gripper edge of gripper clamp (1), and the rotation arc (4a) of handle (4) can not counteract it.

Figure 10 shows that movably gripper clamp (2) merges to form the lid of part (11) greatly of pallet effectively with gripper clamp (1), smaller parts (11 ') then is retracted under the gripper clamp (1), storage tray (11,11 ') fully near gripper clamp (1,2) base, make gripper clamp to form lid effectively, avoid instrument or other supporting item, and in the process of carrying Worktable clamping apparatus, keep instrument or other supporting item well by access.

Figure 11 shows that the end view of the Worktable clamping apparatus of Fig. 8 to Figure 10, and have a support bar (12) to be positioned under the pallet (11,11 ').The bolt (12a) of the head (12b) of support bar (12) by having increasing hangs under the fixed clamp pincers (1), bolt (12a) is held by the recess of correspondingly-shaped in the upper surface of gripper clamp (1), bolt (12a) can be rotated to promote support bar (12) and pallet (11 by the operator, 11 ') bottom surface locking engage, make pallet can closely be clipped between the bottom surface of support bar (12) and gripper clamp (1).The surface of storage tray (11,11 ') and support bar (12), and being frictionally engaged between the gripper clamp (1) can diminish by reducing support bar (12), thereby the state release that storage tray (11,11 ') is engaged by locking.The profile of support bar (12) is represented with the dotted line of Fig. 8 to Figure 10.

When storage tray (11,11 ') in state shown in Figure 10, support bar (12) can be avoided gripper clamp (1) and storage tray (11 with respect to the action of smaller parts (11 '), 11 ') relative action, and guarantee that pallet is locked in corresponding gripper clamp (1,2) under, thus the folding transport follow-up of promotion Worktable clamping apparatus with it.

Figure 12 and side view and the plane that surpasses Portable small size Worktable clamping apparatus that be respectively shown in Figure 13, it has the feet (3a) that is attached to upper frame (3).Feet (3a) is placed in a suitable surface (16), such as desktop.Equipment has one by the slidably storage tray (13) of withdrawal of upper frame (3) support.Slidably Suo Hui storage tray (13) independent displaying is in Figure 15, and has leader (13a) in an end, and a planar section (13b) is positioned between the respective clamp pincers (1,2) and supports a workpiece with (for instance); One flange (13c) can nestle up upper frame (3) in use; And at the feet (14) of opposite ends.In use, storage tray (13) can be by extending beyond its non-gripper edge under the gripper clamp (2), and it is supported by upper frame (3) near the end of handle (13a), and opposite ends is to be supported on the surface (16) by pin (14).Therefore, can clamp the project that stores in the access pallet (13) between (1,2), perhaps access when pallet (13) is outstanding by the non-gripper edge of gripper clamp (2) by respective clamp.

Second permanent storage containers (15) and is positioned between the extension of section of upper frame the and then retractible storage tray in its plane of living in (13) between corresponding gripper clamp.Retractible storage tray (13) but horizontal shift to permanent storage containers (15), therefore stopped further access to permanent storage containers (15).Thus, retractible storage tray (13) can be used as a lid, in order to optionally to open and close permanent storage containers (15).In addition, corresponding gripper clamp (1,2) can merge on retractible storage tray (13), in order to stop access to retractible storage tray (13), thus, two gripper clamps are together as a lid, in order to optionally to open and close retractible storage tray (13).

Whole minor structure comprises gripper clamp (1,2), pincers seats (7,8), and upper frame (3), and be pivoted to permanent storage containers (15) around a hinge (15a), articulate displacement away from permanent storage containers (15), so that access permanent storage containers (15) to promote minor structure.Therefore, but dual mode access permanent storage containers (15) is arranged: the retractible storage tray (13) of (i) sliding is with the permanent storage containers (15) under exposing; Perhaps (ii) by around pivot gyrator structure and relevant retractible storage tray (13) away from the permanent storage containers (15) that still is positioned on the surface (16).Suitably be provided with hinge (15a) can minor structure around pivot when a vertical plane rotates, still can have no to hinder ground access permanent storage containers (15).

The plane of the super Portable small size Worktable clamping apparatus that Figure 14 shows that Figure 12 and Figure 13 under closing state fully, wherein gripper clamp (1) is to be completely integrated to form a lid that hides the content of retractible storage tray (13) to front clamp and with gripper clamp (2).Permanent storage containers (15) can be by a locking device (not shown) and retractible storage tray (13) locking, avoiding retractible storage tray (13), thereby can carry super Portable small size Worktable clamping apparatus safely by handle (13a) with respect to pallet (13) action.

Figure 16 and the plane that Figure 17 shows that a Worktable clamping apparatus comprise a retractible storage tray (17).Retractible storage tray (17) is set up on the drawer runner (18) movably, will describe in detail in Figure 18.The planar section (17a) that retractible storage tray (17) is raised by a recessed storage compartment and is formed, the planar section of raising (17a) can be moved to a position, thereby under gripper clamp (2), give prominence to above its gripper edge, to provide a stayed surface between corresponding gripper clamp (1,2) to support a workpiece and/or a Work tool.

When corresponding gripper clamp (1,2) fully merges each other, as shown in figure 17, the function that they provide a lid with the content of avoiding retractible storage tray (17) by access.When this position, the outstanding non-gripper edge that surpasses fixed clamp pincers (1) of the planar section of only raising.Preferably, the area of recessed storage section can maximize, and as shown in figure 17, makes it across total merging length of two gripper clamps (1,2), and the total length of each gripper clamp (1,2) in the scope of upper frame (3).The latch arrangement (17c) that is positioned on the non-gripper edge of fixed clamp pincers (1) can engage with the groove (17b) of the preceding upstanding wall of the storage compartment of pallet, moves with respect to gripper clamp to avoid retractible storage tray (17).This kind locking device can promote safely folding and/or transport Worktable clamping apparatus.

Figure 18 shows that drawer runner (18) is attached to the detailed cross sectional view of the structure of upper frame (3) with it.One wheel (19) that is attached to the notch part of retractible storage tray (17) rotates in drawer runner (18), and a upper flange and of this notch part is attached to engaging than larger wheels (20) of upper frame (3), and is shown in dotted line.Provide the configuration of two wheels can guarantee that retractible storage tray (17) is all supported fully in all positions with respect to gripper clamp (1,2).

For different storage tray (9,10,11,13,17), as the function of supporting workpiece (W) and/or Work tool an indispensable condition being arranged is that they each all is positioned at same plane with partition wall around upright.In addition, the upper limb of upstanding wall must be enough near the bottom surface of gripper clamp so that: (i) optionally at the position supporting workpiece (W) and/or the Work tool of a contiguous gripper clamp (1,2); And the project of (ii) guaranteeing to be stored in the pallet can allow the operator take at any time, and need not expend improperly strength (just pallet is placed on bottom surface near gripper clamp, make the operator need not stretch out one's hand or bend over access they).Therefore, storage tray (9,10,11,13,17) is coupled to Worktable clamping apparatus at the upper frame (3) of minor structure or the position on it, makes their the upper limb of upstanding wall can be positioned at a horizontal plane.The minimum surface copline of this horizontal plane and gripper clamp (1,2) still can allow the storage tray withdrawal simultaneously, perhaps has a little at interval with minimum surface.This interval at utmost to be contracted gripper clamp (1 when pallet, 2) after under, the tool types and/or the supporting item that are stored in the pallet can not spill, as the foundation of selecting, make corresponding gripper clamp (1,2) form effective lid to hide content.The upper limb of the upstanding wall of pallet is preferably between 0 to 10mm with largest interval between the minimum surface of corresponding gripper clamp (1,2), but the best is between 4 to 6mm.

This configuration is compared to existing Portable/foldable workbench, provide one safer, more meet ergonomics and store solution more easily, provide extra useful function simultaneously, such as at a working depth supporting workpiece (W) and/or a Work tool easily.

Claims

1. Worktable clamping apparatus in order to one workpiece of clamping releasedly, described equipment comprises two and is set up in a gripper clamp that supports on the minor structure, the two ends, below of described gripper clamp are provided with the pincers seat and described gripper clamp is arranged on the upper frame of described support minor structure via described pincers seat, in the described gripper clamp at least one can be on described upper frame towards or away from another gripper clamp, to promote laterally can to merge clamping one workpiece between the gripper edge at the respective clamp pincers, described equipment also comprises one between the described pincers seat at two ends below the described gripper clamp and be positioned at the upper frame of described support minor structure or the arbitrary position above this upper frame and be connected to the auxiliary support member of described Worktable clamping apparatus, in use, described auxiliary support member presents a upper support surface between corresponding gripper clamp, but be positioned under the gripper edge, in order to support a workpiece and/or a Work tool, it is characterized in that, described auxiliary support member is with respect to the primary importance of corresponding gripper clamp and the second place and can rotate, described auxiliary support member surpasses a gripper edge of a gripper clamp at described primary importance regracting, make the surface area on its upper support surface be hidden under the described gripper clamp, and described auxiliary support member is in the described second place, and the surface area on its upper support surface stretches out the described gripper edge that surpasses described gripper clamp at least in part and displacement extends to the bottom side of another gripper clamp.

2. Worktable clamping apparatus according to claim 1, wherein, described auxiliary support member provides the dual-use function of a storage device.

3. Worktable clamping apparatus according to claim 1 and 2, wherein, the width of described auxiliary support member is at the corresponding width of clamping direction greater than a single gripper clamp.

4. Worktable clamping apparatus according to claim 3, wherein, the displacement of described auxiliary support member between the described primary importance and the second place makes at least one part of described auxiliary support member extend beyond a non-gripper edge of described gripper clamp.

5. Worktable clamping apparatus according to claim 1, wherein, described auxiliary support member can be shifted on a horizontal plane of the bottom surface of close corresponding gripper clamp.

6. Worktable clamping apparatus according to claim 2, wherein, described storage device is defined by the storage recess that at least one is formed in the described upper support surface.

7. Worktable clamping apparatus according to claim 2, wherein, described storage device is a pallet, and described upper support surface is defined by the upright surrounding edge of described storage device and/or the uppermost surface of inner compartment.

8. Worktable clamping apparatus according to claim 1, wherein, locking device is provided in order to optionally described auxiliary support member is locked in the desired location with respect to a gripper clamp.

9. Worktable clamping apparatus according to claim 4, wherein, at least one feet is provided on the described auxiliary support member to provide extra support in its primary importance.

10. Worktable clamping apparatus according to claim 1, wherein, one stationary storage means is provided at the position on the described Worktable clamping apparatus, described stationary storage means under the described gripper clamp and between, and on the plane of accumbency below being positioned at described auxiliary support member.

11. Worktable clamping apparatus according to claim 10, wherein, but described auxiliary support member on described stationary storage means horizontal shift on the content of described stationary storage means, to form a lid.

12. Worktable clamping apparatus according to claim 11, wherein, described auxiliary support member has the dual-use function of a storage device, and described two gripper clamps can merge on described displaceable storage device to form a lid within it on tolerant.

13. Worktable clamping apparatus according to claim 10, wherein, described support minor structure be pivoted to described stationary storage means with promote described support minor structure away from the pivotal displacement of described stationary storage means so that the access of described stationary storage means to be provided.

14. Worktable clamping apparatus according to claim 1, wherein, described auxiliary support member has handle, to promote carrying of described equipment.