Patent ID: 7374359

Claim:
A stylus comprising: a tube; an outer shaft slideably disposed within said tube and having at least one channel and at least one wedge shaped feature; in inner shaft slideably disposed within said outer shaft; a plunger coupled to said inner shaft, wherein, in response to said plunger being depressed a first time, said inner shaft moves from a first position to a second position and remains in said second position for any orientation in space until, in response to said plunger being depressed a second time, said inner shaft moves from said second position to said first position and remains in said first position for any orientation in space; a wedge coupled to said inner shaft for sliding in said channel into said first position and engaging said wedge shaped feature in said second position; an indexer rotatably coupled to said inner shaft and having a raised feature, wherein said indexer is configured to interface with said wedge such that said wedge rotates when said plunger is depressed; and a spring contacting said inner shaft so as to exert a force for locking said raised feature of said indexer in said channel when in said first position and said wedge shaped feature when in said second position.