GB201709A - Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects - Google Patents

Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects

Info

Publication number
GB201709A
GB201709A GB1676122A GB1676122A GB201709A GB 201709 A GB201709 A GB 201709A GB 1676122 A GB1676122 A GB 1676122A GB 1676122 A GB1676122 A GB 1676122A GB 201709 A GB201709 A GB 201709A
Authority
GB
United Kingdom
Prior art keywords
lenses
shaft
frame
grinding
spindle
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
GB1676122A
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 GB1676122A priority Critical patent/GB201709A/en
Publication of GB201709A publication Critical patent/GB201709A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B24B13/0031—Machines having several working posts; Feeding and manipulating devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

201,709. Truscott, E. F. June 17, 1922. Lenses, grinding; block apparatus; disc apparatus.-A machine for producing spherical and like surfaces on lenses &c. comprises a number of spindles A arranged in circular formation and in tiers in a frame D, which is rotatable about a shaft E. The work is interposed between pairs of shaped tools, one of each pair fitting on to a taper spigot below each spindle, and the other being engaged by a downwardly projecting finger of an adjustable crank passing through the lower end of the corresponding spindle. Each spindle A is slidable through a wheel G, which is frictionally driven from a wheel F on the shaft E, and works in conjunction with a spring pressure-device HThe spindles A are journaled in 'brackets I pivoted on centres J and pressed inwards by springs O to keep the wheels F, G in mutual engagement. Levers K effect disengagement between these wheels. The frame B tends to assume the same speed of rotation as the shaft E but is retarded by a brake-band Q and weight-lever R. A pump V draws liquid carrying an abrasive from trays B<2>, B<3>, and delivers it to a stand-pipe W. According to the Provisional Specification, the rotation of the frame B provides a means whereby the grinding process may be conveniently observed.
GB1676122A 1922-06-17 1922-06-17 Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects Expired GB201709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1676122A GB201709A (en) 1922-06-17 1922-06-17 Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1676122A GB201709A (en) 1922-06-17 1922-06-17 Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects

Publications (1)

Publication Number Publication Date
GB201709A true GB201709A (en) 1923-08-09

Family

ID=10083155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1676122A Expired GB201709A (en) 1922-06-17 1922-06-17 Improvements in machines for grinding, polishing, and similarly operating upon lenses and like spherically-surfaced objects

Country Status (1)

Country Link
GB (1) GB201709A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114559364A (en) * 2022-02-24 2022-05-31 苏州东辉光学有限公司 Compact C lens sphere grinds automation equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114559364A (en) * 2022-02-24 2022-05-31 苏州东辉光学有限公司 Compact C lens sphere grinds automation equipment
CN114559364B (en) * 2022-02-24 2023-07-04 苏州东辉光学有限公司 Compact C lens sphere grinds automation equipment

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