CA934543A - Drafting machine scale locking device - Google Patents

Drafting machine scale locking device

Info

Publication number
CA934543A
CA934543A CA113614A CA113614A CA934543A CA 934543 A CA934543 A CA 934543A CA 113614 A CA113614 A CA 113614A CA 113614 A CA113614 A CA 113614A CA 934543 A CA934543 A CA 934543A
Authority
CA
Canada
Prior art keywords
locking device
drafting machine
machine scale
scale locking
drafting
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.)
Expired
Application number
CA113614A
Other languages
English (en)
Other versions
CA113614S (en
Inventor
L. Baker Allister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keuffel and Esser Co
Original Assignee
Keuffel and Esser Co
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 by Keuffel and Esser Co filed Critical Keuffel and Esser Co
Application granted granted Critical
Publication of CA934543A publication Critical patent/CA934543A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/002—Straightedges for drawing boards and tables
CA113614A 1970-05-22 1971-05-21 Drafting machine scale locking device Expired CA934543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3984570A 1970-05-22 1970-05-22

Publications (1)

Publication Number Publication Date
CA934543A true CA934543A (en) 1973-10-02

Family

ID=21907630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113614A Expired CA934543A (en) 1970-05-22 1971-05-21 Drafting machine scale locking device

Country Status (4)

Country Link
US (1) US3638320A (enExample)
JP (1) JPS5133010B1 (enExample)
CA (1) CA934543A (enExample)
DE (1) DE2124567A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585800B2 (ja) * 1973-01-31 1983-02-01 タケフジコウギヨウ カブシキガイシヤ 自在平行定規装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1102192A (en) * 1912-04-20 1914-06-30 Fred H Hardsocg Knockdown carpenter's square.
CH177616A (de) * 1933-07-17 1935-06-15 Nestler Ag Albert Linealbefestigungsvorrichtung an Zeichenmaschinen.
DE685014C (de) * 1938-10-30 1939-12-09 Reiss Fa R Linealbefestigung fuer Zeichenmaschinen

Also Published As

Publication number Publication date
DE2124567B2 (enExample) 1973-10-11
DE2124567C3 (enExample) 1974-05-02
DE2124567A1 (de) 1973-02-22
JPS5133010B1 (enExample) 1976-09-17
US3638320A (en) 1972-02-01

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