GB155970A - Improvements in and relating to beam compasses - Google Patents

Improvements in and relating to beam compasses

Info

Publication number
GB155970A
GB155970A GB2842319A GB2842319A GB155970A GB 155970 A GB155970 A GB 155970A GB 2842319 A GB2842319 A GB 2842319A GB 2842319 A GB2842319 A GB 2842319A GB 155970 A GB155970 A GB 155970A
Authority
GB
United Kingdom
Prior art keywords
pencil
rectangle
flexibility
friction roller
carrying
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
GB2842319A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2842319A priority Critical patent/GB155970A/en
Publication of GB155970A publication Critical patent/GB155970A/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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/02—Compasses
    • B43L9/04—Beam compasses

Abstract

155,970. Gill, W. Nov. 17, 1919. Beam compasses.-A device is mounted on a beam for holding a pencil &c., the said device having inherent or provided flexibility and carrying a friction roller for fine adjustment. The form shown in Figs. 1 and 2 has inherent flexibility, and consists of a wire rectangle b which is bent to the form of a wide-angled V and has a loop b<1> through which the pencil &c. passes. The long sides of the rectangle are joined by uprights b<2>, b<3>, the former carrying a pivoted plate b<1> against which the pencil &c. bears. A friction roller b<5> is mounted on one of the short sides of the rectangle and bears against the beam. In the form shown in Figs. 7 and 8, the device is formed by press tool work from sheet metal and comprises a frame having three faces B<1>, B<2>, the upper and lower faces B<2> having apertures B<3> to receive the pencil &c. A plate B<4> backs up the pencil and has lugs B<6> so that by turning it round a smaller pencil can be held. A roller B<5> is pivoted in the frame and flexibility is provided by a spring d. In a further modification, the device is formed by press-tool work, and has two arms projecting along the front face of the beam, each arm carrying a friction roller.
GB2842319A 1919-11-17 1919-11-17 Improvements in and relating to beam compasses Expired GB155970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2842319A GB155970A (en) 1919-11-17 1919-11-17 Improvements in and relating to beam compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2842319A GB155970A (en) 1919-11-17 1919-11-17 Improvements in and relating to beam compasses

Publications (1)

Publication Number Publication Date
GB155970A true GB155970A (en) 1921-01-06

Family

ID=10275390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2842319A Expired GB155970A (en) 1919-11-17 1919-11-17 Improvements in and relating to beam compasses

Country Status (1)

Country Link
GB (1) GB155970A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489790A (en) * 1947-05-14 1949-11-29 Lieberman Harry Stanley Slide rule
US3103070A (en) * 1962-02-13 1963-09-10 Olin L Looker Beam compass
US4547973A (en) * 1984-09-28 1985-10-22 Owens Fred L Trammel point attachment to steel tape rule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489790A (en) * 1947-05-14 1949-11-29 Lieberman Harry Stanley Slide rule
US3103070A (en) * 1962-02-13 1963-09-10 Olin L Looker Beam compass
US4547973A (en) * 1984-09-28 1985-10-22 Owens Fred L Trammel point attachment to steel tape rule

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