Patent ID: 6516534
Filing Date: 2003-02-11
Classification: F16C,G01D

Abstract:
A measurable guide actuator comprising: a guide mechanism (1), a sliding table (4), a driving mechanism, and a position measuring member, wherein,said guide mechanism (1) is elongated with a substantially U-shaped cross-section, said U-shaped guide mechanism (1) has two sides each having an inner wall each defining an elongated first groove (11); said sliding table (4) is slidably mounted in said U-shaped guide mechanism (1) between said inner walls of said two sides of said U-shaped guide mechanism (1), and has two sides each defining a second groove (41) mating with said first groove (11) of said U-shaped guide mechanism (1), a plurality of balls (32) inserted between said first groove (11) of said U-shaped guide mechanism (1) and said second groove (41) of said sliding table (4), said sliding table (4) having a front end and a rear end each provided with an end cap (3) for allowing circulating rolling of said balls (32) so that said sliding table (4) can move along said first groove (11) of said U-shaped guide mechanism (1); said driving mechanism provides a power for movement of said sliding table (4); and said position measuring member has a ruler body mounted on an inner side of said U-shaped guide mechanism (1) such that said position measuring member has a function of detecting a position of said sliding table (4).