GB191116698A - Improvements in and relating to Optical Lenses. - Google Patents

Improvements in and relating to Optical Lenses.

Info

Publication number
GB191116698A
GB191116698A GB191116698DA GB191116698A GB 191116698 A GB191116698 A GB 191116698A GB 191116698D A GB191116698D A GB 191116698DA GB 191116698 A GB191116698 A GB 191116698A
Authority
GB
United Kingdom
Prior art keywords
lens
radii
grindstone
junction
pivot
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
Other languages
English (en)
Inventor
Augustin Georges Poullain
Darius Henri Julien Cornet
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
Application granted granted Critical
Publication of GB191116698A publication Critical patent/GB191116698A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/005—Copying by a curve composed of arcs of circles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/04—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
GB191116698D 1910-07-26 1911-07-20 Improvements in and relating to Optical Lenses. Expired GB191116698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR191116698X 1910-07-26

Publications (1)

Publication Number Publication Date
GB191116698A true GB191116698A (en) 1912-06-20

Family

ID=32525883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191116698D Expired GB191116698A (en) 1910-07-26 1911-07-20 Improvements in and relating to Optical Lenses.

Country Status (2)

Country Link
FR (1) FR418583A (enExample)
GB (1) GB191116698A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499427A (en) * 1945-06-06 1950-03-07 Wilfred E Thibodeau Means for describing arcs of large radii
US2505015A (en) * 1945-07-13 1950-04-25 Wilfred E Thibodeau Arc scriber
US2630721A (en) * 1950-06-10 1953-03-10 Mcewan James Saw sharpener

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499427A (en) * 1945-06-06 1950-03-07 Wilfred E Thibodeau Means for describing arcs of large radii
US2505015A (en) * 1945-07-13 1950-04-25 Wilfred E Thibodeau Arc scriber
US2630721A (en) * 1950-06-10 1953-03-10 Mcewan James Saw sharpener

Also Published As

Publication number Publication date
FR418583A (enExample)

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