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Provision of appropriate fixtures for locating components for fabrication, machining and installation purposes is important. Traditionally, solid fixtures have been utilized but these have limitations with regard to consistency of orientation particularly if the fixture is removed from a base suppor

Provision of appropriate fixtures for locating components for fabrication, machining and installation purposes is important. Traditionally, solid fixtures have been utilized but these have limitations with regard to consistency of orientation particularly if the fixture is removed from a base support or workbench regularly. By providing sheet elements for sides 2, 3 and spacers 4, 5 a robust structure can be achieved when these sheet elements are secured at corners to a base support 8 and to each other at top portions. In such circumstances the fixture 1 can present location plates 41, 42 upon a locator 43. The locator 43 comprises cross secured plates which extend through at least one cross hole to limit movement of the locator upon which the location plates 41, 42 are presented to axial displacement. Rigidity of the fixture is further reinforced by integrating its structure with its base-plate support.

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1. A fixture for a bench assembly, the fixture comprising: a base support;a box structure comprising at least two sheet elements spaced from one another by at a pair of spacers and secured to the base support;a location plate for engaging with an item to be assembled; anda locator for locating the l

1. A fixture for a bench assembly, the fixture comprising: a base support;a box structure comprising at least two sheet elements spaced from one another by at a pair of spacers and secured to the base support;a location plate for engaging with an item to be assembled; anda locator for locating the location plate in a fixed position relative to the spacers the locator having a cross-shaped profile,wherein at least one of the spacers defines a cross-shaped hole, and the other of the spacers defines a further hole, the locator being locatable through the cross-shaped hole and the further hole, andthe spacers being secured between the sheet elements to fix the sheet elements in a predetermined position relative to the base support. 2. A fixture claimed in claim 1, wherein the location plate is a flange upon which a component can be secured. 3. A fixture as claimed in claim 1, wherein the locator provides an entrant fixture for a component. 4. A fixture as claimed in claim 1, wherein the fixture includes two location plates at each side of the fixture. 5. A fixture as claimed in claim 4, wherein the location plates are of different configurations. 6. A fixture as claimed in claim 1, wherein the fixture includes different positions for fixings to the location plates in terms of spacing, position, or size to ensure the correct location plate is positioned upon the correct side of the fixture. 7. A fixture as claimed in claim 1, wherein the fixture includes a top plate secured between the sheet elements and the spacer walls, the top plate defining a slot. 8. A fixture as claimed in claim 1, wherein the base support comprises spaced top and bottom surfaces, the top surface defining a slot, and the sheet elements and spacer walls having a tongue element to pass through the slot in the top surface to allow securing of the sheet elements and/or spacer walls to both surfaces. 9. A fixture as claimed in claim 1, wherein the locator comprises crossed interlocked plates. 10. A fixture as claimed in claim 1, wherein the hole at the other side of the fixture is a second cross-shaped hole to receive the locator. 11. A fixture as claimed in claim 1, wherein the locator is arranged to have four points of contact with each respective location plate to provide a pair of four location points at spaced locations either side of the fixture. 12. A fixture as claimed in claim 1, wherein an upper part of the locator includes a lock. 13. A fixture as claimed in claim 12, wherein the lock comprises a shark fin extending into the slot of the top plate to limit axial movement of the shark fin and therefore the locator. 14. A fixture as claimed in claim 13, wherein the slot of the top plate has a latch lock to engage the shark fin to further inhibit axial movement in the slot by the shark fin.