JPS5925413U

JPS5925413U - benchmark

Info

Publication number: JPS5925413U
Application number: JP12023382U
Authority: JP
Inventors: 森　厚
Original assignee: 東芝プラント建設株式会社
Priority date: 1982-08-08
Filing date: 1982-08-08
Publication date: 1984-02-17
Also published as: JPS6330964Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来型ベンチマークの一部縦断面図、第２図は
本考案の第１実施例のベンチマークの平　　　−面図、
第３図は同立面縦断面図であって、第２図のＡ−Ａ線断
面図、第４図は同実施例のベンチマークの斜視図であっ
て、脚４を取り除いた状態を示す。第５図は同第１実施
例のベンチマーク本俸３の上面に載置される計測用のス
ペーサ６の立面図、第６図は本考案の第２実施例の縦断
立面図、第７図は同第２実施例に用いられる計測用のス
ペーサ。１・・・基準部材、２・・・基準面、３・・・ベンチマ
ーク本体、４・・・脚、５・・・ナツト、６・・・スペ
ーサ、７・・・小円柱部、８・・・上部ブロック、９・
・・下部ブロック、１０・・・筒上体、１１・・・上蓋
、１２・・・固定脚、１３・・・コンクリート床面、１
４・・・グラウト剤、１５・・・脚取り付は部、１６・
・・長ネジボルト、′１７・・・孔、１８・・・止め金
、１９・・・蓋螺回用穴、２０・・・小片、２１・・・
六角長袋ナツト、２２・・・埋設固定用円板、２３・・
・凹部。）／　ノ　　ノ　　／）　　（一：　　９　　　　　　１２２ど二二３５FIG. 1 is a partial vertical cross-sectional view of a conventional benchmark, and FIG. 2 is a plan view of the benchmark according to the first embodiment of the present invention.
FIG. 3 is a vertical sectional view taken along the line A--A in FIG. 2, and FIG. 4 is a perspective view of the benchmark of the same embodiment, with the legs 4 removed. FIG. 5 is an elevational view of the measuring spacer 6 placed on the upper surface of the benchmark book 3 of the first embodiment, FIG. 6 is a longitudinal sectional elevational view of the second embodiment of the present invention, and FIG. 7 is a measurement spacer used in the second embodiment. DESCRIPTION OF SYMBOLS 1... Reference member, 2... Reference surface, 3... Benchmark body, 4... Leg, 5... Nut, 6... Spacer, 7... Small cylindrical part, 8...・Upper block, 9・
... Lower block, 10 ... Cylinder body, 11 ... Upper cover, 12 ... Fixed leg, 13 ... Concrete floor surface, 1
4... grouting agent, 15... leg attachment part, 16.
・Long screw bolt, '17... Hole, 18... Stopper, 19... Hole for screwing the lid, 20... Small piece, 21...
Hexagonal long bag nut, 22... Disc for embedding fixation, 23...
・Concavity. ) / no no / ) (1:9 12 2d2235

Claims

[Scope of utility model registration request]

(1) A benchmark main body 3 that is directly fixed to the reference member 1 and has a reference surface 2 formed on its upper end, and a benchmark main body 3 that is fixed to the reference member 1 radially outward of the benchmark main body 3 at approximately equal intervals from each other. A penkmark comprising three screw-type telescopic legs 4 attached to the legs 4, and a nut 5 screwed onto the legs 4 to removably fasten and fix the telescopic part of the legs 4.

(2) The benchmark according to claim 1, wherein the benchmark main body 3 is made of a cylindrical body, an upper end surface protrudes from the peripheral edge thereof, and a reference surface 2 is formed on the upper end surface.

(3) A misalignment correction recess 23 into which the small cylindrical portion 7 protruding from the center of the lower surface of the measurement spacer 6 placed on the reference surface 2 is fitted is formed at the center of the benchmark body 3. Benchmark according to claim 2 of the utility model registration claim.

(4) Utility model registration according to claim 1, in which a cylindrical body 10 is erected on the reference member 1 outside the benchmark main body 3, and a top cover 11 is detachably attached to the upper end of the cylindrical body 10. benchmark.