| 摘要 |
The present invention relates to a device for use in marking a point on a wall where a fastener should be installed in order to hang an object at a desired location on the wall. A device according to the invention includes an elongate frame having an elongate slot. The frame is adapted to be positioned adjacent to a back surface of the object to be hung. The device further includes a ledge projecting from the frame. The ledge is adapted to be positioned in contact with a top surface of the object. The device also includes a carriage that is supported by the frame. The carriage is adapted for reciprocating movement along the slot. The device further includes a pin that is carried by the carriage. The pin terminates on a first end in a stylus that extends in a direction away from the back surface of the object when the frame is positioned adjacent thereto. The device also includes a plurality of hooks that are carried by the carriage. The hooks are disposed at predetermined distances below the stylus. Finally, the device includes means for temporarily holding the carriage in a fixed position relative to the frame. In the preferred embodiment, the means for temporarily holding the carriage in a fixed position relative to the frame comprises a knob that holds a threaded bolt that extends through said elongate slot and engages a nut on an opposite side of said carriage.
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