JPH01181155U

JPH01181155U -

Info

Publication number: JPH01181155U
Application number: JP7599388U
Authority: JP
Priority date: 1988-06-08
Filing date: 1988-06-08
Publication date: 1989-12-27

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例のデイスク位置決
めローラで、シヤフトに油溝を設けたデイスク位
置決めローラの断面図、第２図は同第２実施例で
、ローラに油溝を設けたデイスク位置決めローラ
の断面図、第３図および第４図はそれぞれ本考案
の第３、第４実施例で、ワツシヤを設けたデイス
ク位置決めローラで、第３図はシヤフトに油溝を
設けたデイスク位置決めローラの断面図、第４図
はローラに油溝を設けたデイスク位置決めローラ
の断面図、第５図ないし第７図はそれぞれ本考案
の第５ないし第７実施例で、板バネがない状態の
組立体を示す。また、第８図および第９図は従来
例ほデイスク位置決めローラの断面図である。１，１Ａ……デイスク位置決めローラ、２……
ローラ、２ａ……平面状端面、３，３Ａ……シヤ
フト、３ｂ，３Ａｂ……油溝、３ｃ……円形凹部
、３ｄ，３Ａｄ……ボス部、４……ストツパ金具
、５……板バネ、６……ワツシヤ、７……ストツ
パーワツシヤ、８……ストツパーリング。 Fig. 1 shows a disc positioning roller according to a first embodiment of the present invention, which is a sectional view of a disc positioning roller with an oil groove provided on the shaft, and Fig. 2 shows a second embodiment of the disc positioning roller, which shows a disc positioning roller with an oil groove provided on the shaft. The sectional views of the positioning roller, FIGS. 3 and 4, respectively show the third and fourth embodiments of the present invention, and show a disc positioning roller provided with a washer, and FIG. 3 shows a disc positioning roller provided with an oil groove on the shaft. FIG. 4 is a cross-sectional view of a disc positioning roller with an oil groove provided in the roller, and FIGS. Shows solidity. Further, FIGS. 8 and 9 are cross-sectional views of a conventional disk positioning roller. 1,1A...Disc positioning roller, 2...
Roller, 2a...Flat end face, 3, 3A...Shaft, 3b, 3Ab...Oil groove, 3c...Circular recess, 3d, 3Ad...Boss part, 4...Stopper fitting, 5...Plate spring, 6... Watshiya, 7... Stop Par Watshiya, 8... Stop Paring.

Claims

[Scope of utility model registration request]

A shaft that is approximately cylindrical and has a straight sliding part, a roller that is in sliding contact with the outer periphery of the shaft and is rotatable relative to the shaft, and a stopper metal fitting that is provided at the top of the shaft to prevent the roller from coming off. A disk positioning roller for a floppy disk device, comprising: an oil groove formed on the outer periphery of the shaft or the inner periphery of the roller.