JPS6444886U

JPS6444886U -

Info

Publication number: JPS6444886U
Application number: JP14066887U
Authority: JP
Priority date: 1987-09-14
Filing date: 1987-09-14
Publication date: 1989-03-17

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係るフロントフオー
クの一部切欠き縦断正面図、第２図は第１図の一
部拡大断面図、第３図、第４図は他の実施例に係
るフロントフオークの一部縦断正面図、第５図は
従来のフロントフオークの一部切欠き縦断正面図
である。２……アウターチユーブ、３……インナーチユ
ーブ、４……中空シリンダ、４ａ……上部。 Fig. 1 is a partially cutaway longitudinal sectional front view of a front fork according to an embodiment of the present invention, Fig. 2 is a partially enlarged sectional view of Fig. 1, and Figs. 3 and 4 are according to other embodiments. A partially cutaway front view of a front fork. FIG. 5 is a partially cutaway front view of a conventional front fork. 2... Outer tube, 3... Inner tube, 4... Hollow cylinder, 4a... Upper part.

補正昭６３．１．２２考案の名称を次のように補正する。考案の名称フロントフオーク実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment January 22, 1983 The name of the invention is amended as follows. Title of the invention: Front fork The scope of claims for utility model registration and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】 (1) アウターチユーブとインナーチユーブが抜
差自在に挿入され、アウターチユーブの下部中央
から中空シリンダが起立しているフロントフオー
クに於て、中空シリンダの上部を半径方向に縮径
し、当該縮径上部の外周にバルブ部を設けたフロ
ントフオーク。 (2) 縮径上部の外周にデイスクを設け、デイス
クの外周はインナーチユーブの内周を摺接させ、
インナーチユーブの下部内周にチエツクバルブを
設け、チエツクバルブは中空シリンダの外側に上
下二つの油室を区画し、上部油室はデイスクに設
けたポートを介してリザーバと連通し、デイスク
のポート上部口端には伸バルブが開閉に設けられ
、下部油室は中空シリンダの下方に設けたポート
を介してリザーバと接続している実用新案登録請
求の範囲第１項記載のフロントフオーク。 (3) リザーバが中空シリンダ内の油室とインナ
ーチユーブ内上方の気体室とから成る実用新案登
録請求の範囲第２項記載のフロントフオーク。 (4) リザーバの途中にチエツクバルブと圧バル
ブとが設けられている実用新案登録請求の範囲第
２項記載のフロントフオーク。[Scope of Claim for Utility Model Registration] (1) In a front fork in which an outer tube and an inner tube are inserted in a removable manner, and a hollow cylinder stands up from the center of the lower part of the outer tube, the upper part of the hollow cylinder is inserted in the radial direction. A front fork with a reduced diameter and a valve part on the outer periphery of the upper part of the reduced diameter. (2) A disk is provided on the outer periphery of the reduced diameter upper part, and the outer periphery of the disk is in sliding contact with the inner periphery of the inner tube.
A check valve is installed on the inner periphery of the lower part of the inner tube, and the check valve divides two upper and lower oil chambers on the outside of the hollow cylinder.The upper oil chamber communicates with the reservoir through a port provided on the disk, and the upper oil chamber The front fork according to claim 1, wherein an expansion valve is provided at the mouth end to open and close, and the lower oil chamber is connected to a reservoir through a port provided below the hollow cylinder. (3) The front fork according to claim 2, wherein the reservoir comprises an oil chamber inside a hollow cylinder and a gas chamber above the inner tube. (4) The front fork according to claim 2 of the utility model registration claim, wherein a check valve and a pressure valve are provided in the middle of the reservoir.

【図面の簡単な説明】第１図は本考案の実施例に係るフロントフオー
クの一部切欠き縦断正面図、第２図は第１図の一
部拡大断面図、第３図、第４図は他の実施例に係
るフロントフオークの一部縦断正面図、第５図は
従来のフロントフオークの一部切欠き縦断正面図
である。２……アウターチユーブ、３……インナーチユ
ーブ、４……中空シリンダ、４ａ……上部。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a partially cutaway vertical sectional front view of a front fork according to an embodiment of the present invention, Fig. 2 is a partially enlarged sectional view of Fig. 1, Fig. 3, and Fig. 4. 5 is a partially cutaway front view of a front fork according to another embodiment, and FIG. 5 is a partially cutaway front view of a conventional front fork. 2... Outer tube, 3... Inner tube, 4... Hollow cylinder, 4a... Upper part.

Claims

[Claims for Utility Model Registration] (1) In a front fork in which an inner tube is slidably inserted into an outer tube and a hollow cylinder stands up from the center of the lower part of the outer tube, the upper part of the hollow cylinder is arranged in a radius. A front fork with a diameter reduced in the direction and a valve part provided on the outer periphery of the upper part of the reduced diameter. (2) A disk is provided on the outer periphery of the reduced diameter upper part, and the outer periphery of the disk is in sliding contact with the inner periphery of the inner tube.
A check valve is installed on the inner periphery of the lower part of the inner tube, and the check valve divides two upper and lower oil chambers on the outside of the hollow cylinder.The upper oil chamber communicates with the reservoir through a port provided on the disk, and the upper oil chamber The front fork according to claim 1, wherein an expansion valve is provided at the mouth end to open and close, and the lower oil chamber is connected to a reservoir through a port provided below the hollow cylinder. (3) The front fork according to claim 2, wherein the reservoir comprises an oil chamber inside a hollow cylinder and a gas chamber above the inner tube. (4) The front fork according to claim 2 of the utility model registration claim, wherein a check valve and a pressure valve are provided in the middle of the reservoir.