JPS6449708U - - Google Patents

Info

Publication number
JPS6449708U
JPS6449708U JP1987145481U JP14548187U JPS6449708U JP S6449708 U JPS6449708 U JP S6449708U JP 1987145481 U JP1987145481 U JP 1987145481U JP 14548187 U JP14548187 U JP 14548187U JP S6449708 U JPS6449708 U JP S6449708U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
piston rod
piston
threaded part
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1987145481U
Other languages
Japanese (ja)
Other versions
JPH0649925Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987145481U priority Critical patent/JPH0649925Y2/en
Publication of JPS6449708U publication Critical patent/JPS6449708U/ja
Application granted granted Critical
Publication of JPH0649925Y2 publication Critical patent/JPH0649925Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の実施例を示す要部断面図、
第２図Ａ〜Ｄは製作工程を示す説明図、第３図は
従来技術を示す油圧シリンダの断面図、第４図は
同じくピストンロツドの破断部位を示す説明図で
ある。 １０……段付部、１１……ピストンロツド、１
２……ネジ部、１３……高深度焼入れ部、１４…
…低深度焼戻し部。 FIG. 1 is a sectional view of the main parts showing an embodiment of this invention.
2A to 2D are explanatory views showing the manufacturing process, FIG. 3 is a cross-sectional view of a hydraulic cylinder showing the prior art, and FIG. 4 is an explanatory view showing a broken portion of the piston rod. 10...Stepped part, 11...Piston rod, 1
2... Threaded part, 13... Deep quenched part, 14...
...Low depth tempering section.

補正 昭６３．２．５ 実用新案登録請求の範囲を次のように補正する
。Amendment February 5, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】 ロツド先端にピストンを嵌めナツトにて締め付
ける段付部及びネジ部を備える油圧シリンダのピ
ストンロツドにおいて、ネジ部を含む段付部の略
全体に中周波焼入れを施こし、さらに低周波焼戻
しを施こしたことを特徴とする油圧シリンダのピ
ストンロツド。 図面の簡単な説明を次のように補正する。 明細書第５頁の第１８行目に「高深度」とある
のを「中周波」と補正する。 明細書第５頁の第１８行目に「低深度」とある
のを「低周波」と補正する。[Scope of Claim for Utility Model Registration] In a piston rod for a hydraulic cylinder that has a stepped part and a threaded part into which a piston is fitted at the tip of the rod and is tightened with a nut, substantially the entire stepped part including the threaded part is subjected to medium frequency hardening, A hydraulic cylinder piston rod that is further characterized by being subjected to low frequency tempering. The brief description of the drawing has been amended as follows. The phrase "high depth" on the 18th line of page 5 of the specification is corrected to "medium frequency." The phrase "low depth" on the 18th line of page 5 of the specification is corrected to "low frequency."

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ロツド先端にピストンを嵌めナツトにて締め付
ける段付部及びネジ部を備える油圧シリンダのピ
ストンロツドにおいて、ネジ部を含む段付部の略
全体に高深度焼入れを施こし、さらに低深度焼戻
しを施こしたことを特徴とする油圧シリンダのピ
ストンロツド。 In the piston rod of a hydraulic cylinder, which has a stepped part and a threaded part into which the piston is fitted and tightened with a nut at the tip of the rod, almost the entire stepped part, including the threaded part, is deep-hardened and further deep-tempered. A piston rod for a hydraulic cylinder characterized by:
JP1987145481U 1987-09-24 1987-09-24 Hydraulic cylinder piston rod Expired - Lifetime JPH0649925Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987145481U JPH0649925Y2 (en) 1987-09-24 1987-09-24 Hydraulic cylinder piston rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987145481U JPH0649925Y2 (en) 1987-09-24 1987-09-24 Hydraulic cylinder piston rod

Publications (2)

Publication Number Publication Date
JPS6449708U true JPS6449708U (en) 1989-03-28
JPH0649925Y2 JPH0649925Y2 (en) 1994-12-14

Family

ID=31414110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987145481U Expired - Lifetime JPH0649925Y2 (en) 1987-09-24 1987-09-24 Hydraulic cylinder piston rod

Country Status (1)

Country Link
JP (1) JPH0649925Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370708B1 (en) * 2000-08-04 2003-02-05 풍전산업 주식회사 Hydraulic cylinder for operating a crane grab
JP2011220403A (en) * 2010-04-07 2011-11-04 Smc Corp Linear actuator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839729A (en) * 1981-09-01 1983-03-08 Toyota Motor Corp Partial tempering method for carburized and hardened parts
JPS5927362U (en) * 1982-08-13 1984-02-20 カヤバ工業株式会社 Reinforced piston rod structure
JPS59129720A (en) * 1983-01-17 1984-07-26 Kubota Ltd Production of high hardness high chromium roll

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839729A (en) * 1981-09-01 1983-03-08 Toyota Motor Corp Partial tempering method for carburized and hardened parts
JPS5927362U (en) * 1982-08-13 1984-02-20 カヤバ工業株式会社 Reinforced piston rod structure
JPS59129720A (en) * 1983-01-17 1984-07-26 Kubota Ltd Production of high hardness high chromium roll

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370708B1 (en) * 2000-08-04 2003-02-05 풍전산업 주식회사 Hydraulic cylinder for operating a crane grab
JP2011220403A (en) * 2010-04-07 2011-11-04 Smc Corp Linear actuator

Also Published As

Publication number Publication date
JPH0649925Y2 (en) 1994-12-14

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