Positioning device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 2007
Grant Date -
Feb 16, 2006
app pub date -
Nov 27, 2003
filing date -
Nov 29, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A supporting face (1a) is provided on a base plate (1), a face (2a) to be supported is provided on a work pallet (2), and an engagement hole (3) is opened in the face (2a) to be supported. A core column (11) is projected upward from a housing (9) fixed to the base plate (1). An elastic sleeve (12) that fits in the engagement hole (3) is supported in a space at the outer periphery of the core column (11), on the upper face of the housing (9). Wedge spaces (W) narrowing downward are circumferentially arranged at an substantially equal intervals between the core column (11) and the elastic sleeve (12). Wedge members (15) are vertically movably inserted in each of the wedge spaces (W). Input portions (20) of the wedge members (15) are connected to an output portion (44) of an upper rod (43) of a piston (33).
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