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Patent Searching and Data


Title:
REVERSE SCREW COMBINED JIG
Document Type and Number:
Japanese Patent JP2000079529
Kind Code:
A
Abstract:

To make the size of a jig selectable corresponding to the size of a workpiece, to improve use efficiency of a table, to save labor of operation by enabling operation equivalent to one pitch of a screw pitch by rotating a belt half (1/2 rotation) and to reduce a manufacturing cort with a simple construction.

Workpiece fixing blocks B1, B2 forming a pair by having mutually engaging abutting surfaces are provided with large/small diameter screw parts respectively screwed to a bolt forming an external thread of stepped structure comprising large/small diametric screw parts 1, 2 of mutually reverse screw. Here, a supporting or holding function of a workpiece is provided by abutting/separating the paired workpiece fixing blocks B1, B2 to be freely tightened/loosened.


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Inventors:
ICHIHASHI TOSHIFUMI
Application Number:
JP1998000248465
Publication Date:
March 21, 2000
Filing Date:
September 02, 1998
Export Citation:
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Assignee:
NUMATA SEISAKUSHO KK
International Classes:
B23Q3/06; B25B1/10; F16B2/08; (IPC1-7): B23Q3/06
Attorney, Agent or Firm:
丹羽 宏之 (外1名)