A computer input device removably mounted to a keyboard is disclosed. A bar, which may be slightly longer than the width of the keyboard, is slidably mounted beneath the keyboard. The bar is slidable from a first position in which one end of the bar extends beyond the side of the keyboard to a second position in which the other end of the bar extends beyond the other side of the keyboard. An input device, such as a trackball, is removably attached, for example, by hook and loop fasteners, to the end of the bar which extends beyond the side of the keyboard. To move the device to the other side of the keyboard, the device is lifted off the end of the bar, the bar is slid under the keyboard until the other end extends beyond the other side of the keyboard, and the device is attached on the other end of the bar. The removable mount of the present invention thus accommodates left and right side mounting, eases the switching from side to side, and takes up minimum space.

This invention relates to an assembly of a hydraulic motor and of a brake which is coupled thereto, comprising in particular a brake shaft which traverses said motor and brake entirely. According to the invention, the brake shaft comprises an axial through recess allowing passage of a link, such as a movement transmission shaft. One application of the invention is the production of a reliable compactor.

The present invention comprises a unique method for mounting and supporting a printer used with personal computers. The invention, a Vertical Printer Stand, is comprised of a printer stand base, printer support brackets that support the printer in a vertical position, adhesive backed mounts that attach to the printer side walls, and straps that attach to the adhesive mounts and around the printer, securing the printer to the stand. The entire assembly is then typically mounted to the wall using standard wall mount fasteners, with the printer mounted parallel to the wall. The primary purpose of this invention is to remove the printer from the desk and free up valuable desk and office space. The paper may either feed from the floor, desk top, or from an optional paper feed tray.

A printer stand comprises a support base for holding a rear-ejection printer and a paper catcher mounted to the rear of said printer and extending rearwardly and upwardly therefrom. The catcher comprises a flat backer panel having bent-up side flanges and having a bent-up lower ledge for supporting the lower edge of a packet of sheets of paper resting against the backer panel. The catcher is mounted to the base for easy removal by providing a forwardly and downwardly extending slot at the rear of each side wall of the support base, into and out of which the panel can readily be slid; the side flanges are preferably spaced apart by only slightly more than the distance between the outer sides of the side walls, and the ledge is preferably at about right angles to the packer panel. The system provides stable support of the packet of sheets, is easily assembled and disassembled, and is inexpensively made from a single metal sheet by bending up the side flanges and the ledge.

A paper catcher for a printer comprises a stand which may include a shelf, or supporting printer, a basically flexible duct forming an infeed chute and including lower flexible fingers for supporting the lower surface of the paper coming from the printer and a pivotal upper member for writing on the paper to prevent buckling. The paper then travels through a reversal chute and exits under the influence of a member riding thereon which overcome the natural tendency for the fan-fold paper to buckle upwardly instead of downwardly for depositing onto a paper collection tray mounted above and at an angle spaced from the printer so that the printer material may be read as it is being printed on the platen of the printer.