Slide Guide Unit And Surveying Instrument

摘要

There is provided a slide guide unit comprising; a guide base having V-grooves formed on both the side end faces in parallel, a slide block having a facing surface facing one of the V-grooves on both the side ends, conical recesses formed at two positions on the facing surface facing the one V-groove with a predetermined interval, first steel balls fitted in the conical recesses and fitted in the one V-groove, a steel ball support plate with spring action as disposed on a side surface of the slide block on the other V-groove side and a necessary number of second steel balls as fitted in a steel ball holding groove and the other V-groove, wherein the steel ball support plate has the steel ball holding groove facing the other V-groove, wherein the steel ball support plate presses the second steel balls to the other V-groove and the slide block is movable along the one V-groove side and the other V-groove side via the first steel balls and the second steel balls.

主权项

1. A slide guide unit comprising; a guide base having V-grooves formed on both the side end faces in parallel, a slide block having a facing surface facing one of said V-grooves on both the side ends, conical recesses formed at two positions on said facing surface facing said one V-groove with a predetermined interval, first steel balls fitted in said conical recesses and fitted in said one V-groove, a steel ball support plate with spring action as disposed on a side surface of said slide block on said other V-groove side and a necessary number of second steel balls as fitted in a steel ball holding groove and said other V-groove, wherein said steel ball support plate has said steel ball holding groove facing said other V-groove, wherein said steel ball support plate presses said second steel balls to said other V-groove and said slide block is movable along said one V-groove side and said other V-groove side via said first steel balls and said second steel balls.