Abstract: The present invention relates to a device for the correct alignment of forms structures for the pouring of concrete walls, the device has guide elements and assists the operator in the correct positioning thereof and fastening thereof on the layouts that it is customary to mark out on the foundation template for the raising of walls; it is a body of a single piece, produced form a plastic resine. The configuration of the device of the invention allows an operator manually or using a pneumatic gun to fasten a plurality of devices, in order to align the center “walls” so that they are parallel to one other, such that the planned thickness of the wall, corresponding to the width of the device, can be guaranteed in the section included between the guide devices. On account of its design and the material which it is produced, the device functions suitably with the form, the concrete and the reinforcing steel.

Abstract: The present invention describes an elbow flexion device that can be placed on a table or the tray of a wheelchair. The arm to be raised is placed into a cradle in the device for receiving such arm. Motion is controlled by means of a control device actuated by movement of the hand of the other arm.

Abstract: A hand tool having a handle provided with a mating surface for detachably securing the handle to a removable attachment. The mating surfaces of the handle and the removable attachment are exposed when not secured together. This feature facilitates cleaning of the device.