JPH0175094U

JPH0175094U -

Info

Publication number: JPH0175094U
Application number: JP1987170540U
Authority: JP
Priority date: 1987-11-06
Filing date: 1987-11-06
Publication date: 1989-05-22

Description

[Brief explanation of the drawing]

第１図は本考案枢着機構によるパンタグラフ式
ジヤツキの正面図、第２図は同一部欠截の平面図
、第３図はこの考案の第１実施例要部の正面図、
第４図は同一部欠截の平面図、第５図及び第６図
は同めねじの斜視図、第７図イ，ロは同装着過程
の各正面図、第８図は同めねじの第２実施例の斜
視図、第９図は同第３実施例の斜視図、第１０図
は同第２実施例の説明図、第１１図は同第３実施
例の説明図、第１２図は従来の枢着機構の一部縦
断した側面図、第１３図は同正面図、第１４図は
同別の一部縦断した側面図、第１５図は同正面図
である。１，１０…アーム、２，２０…アーム、３…ト
ツプアームホルダー、４…ベツド、５，５０…め
ねじ又は軸受、６，６０…軸本体、６ａ，６０ａ
…鍔、６ｂ，６０ｂ…細軸部、６０ｃ…欠円軸部
、７…突出部、８，９…嵌通孔、８ａ，９ａ…突
出部用嵌通孔、１１…ねじ棒、１２…ねじ孔、１
３…嵌孔、１４…切込部、１５…かしめ。 Fig. 1 is a front view of a pantograph type jack using the pivot mechanism of the present invention, Fig. 2 is a partially cutaway plan view of the same, and Fig. 3 is a front view of the essential parts of the first embodiment of this invention.
Fig. 4 is a plan view of the same part cut out, Figs. 5 and 6 are perspective views of the same female screw, Fig. 7 A and B are front views of the same mounting process, and Fig. 8 is a perspective view of the same female screw. FIG. 9 is a perspective view of the third embodiment. FIG. 10 is an explanatory diagram of the second embodiment. FIG. 11 is an explanatory diagram of the third embodiment. 13 is a partially longitudinal side view of a conventional pivot mechanism, FIG. 13 is a front view thereof, FIG. 14 is a partially longitudinal side view of the same, and FIG. 15 is a front view thereof. 1, 10... Arm, 2, 20... Arm, 3... Top arm holder, 4... Bed, 5, 50... Female thread or bearing, 6, 60... Shaft body, 6a, 60a
...Brim, 6b, 60b...Thin shaft part, 60c...Circular shaft part, 7...Protrusion part, 8, 9...Fitting hole, 8a, 9a...Fitting hole for protrusion part, 11...Threaded rod, 12...Screw Hole, 1
3... Fitting hole, 14... Notch, 15... Caulking.

Claims

[Scope of utility model registration request]

It consists of a female screw or bearing having a protrusion on the outer periphery of at least one end of the shaft body, and upper and lower arms each having a fitting hole in the pivot part, into which the shaft body having the protrusion can fit with a clearance. A pivoting mechanism for a pantograph jack, characterized in that the bearing is fitted into the fitting hole of the upper and lower arms and rotated to displace it so that it does not come off.