Rotary clamp
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United States of America Patent
Stats
-
Jun 7, 2005
Grant Date -
May 15, 2003
app pub date -
Oct 24, 2002
filing date -
Nov 13, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A housing (3) has an upper end wall (3a) which supports an upper slide portion (11) of a clamp rod (5) vertically movably. The housing (3) has a lower end wall (3b), a support cylinder (13) of which supports a lower slide portion (12) of the rod (5) vertically movably. The rod (5) is provided with an input portion (14) between the upper slide portion (11) and the lower slide portion (12). A clamp spring (20) connected to the input portion (14) drives the rod (5) downwards for clamping. The lower slide portion (12) has an outer periphery provided with a helical rotary groove (27) and a straight groove (28) which is in upward continuity with the rotary groove (27). A ball (29) engages with the rotary groove (27) and the straight groove (28). The ball (29) is supported by an inner wall (13a) of the support cylinder (13).
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Cited Art Landscape
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