GB216593A - Improvements in ball bearings for the sound arms of disc talking machines - Google Patents

Improvements in ball bearings for the sound arms of disc talking machines

Info

Publication number
GB216593A
GB216593A GB623123A GB623123A GB216593A GB 216593 A GB216593 A GB 216593A GB 623123 A GB623123 A GB 623123A GB 623123 A GB623123 A GB 623123A GB 216593 A GB216593 A GB 216593A
Authority
GB
United Kingdom
Prior art keywords
ball bearings
sound
talking machines
disc
machine
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
GB623123A
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Priority to GB623123A priority Critical patent/GB216593A/en
Publication of GB216593A publication Critical patent/GB216593A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor

Landscapes

  • Moving Of Heads (AREA)

Abstract

216,593. Gramophone Co., Ltd., and Buckle, H. L. T. March 3, 1923. Ball bearings.-A ball bearing for the sound arm 1 of a disc talking-machine has a race formed by a semi-circular groove 3 in the second arm elbow 2, a quarter circle groove 4 in an inturned flange 6 of a fixed tubular member 5 surrounding the end of the sound arm elbow and adapted to be mounted on the machine, and a quarter circle groove 8 in a tubular sleeve 9 fitted snugly within the tubular member 5. A ball spacing ring 11 may be held between the top of the sleeve 9 and the underside of the flange 6. The tubular members 5, 9 may be secured together by a screw 13.
GB623123A 1923-03-03 1923-03-03 Improvements in ball bearings for the sound arms of disc talking machines Expired GB216593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB623123A GB216593A (en) 1923-03-03 1923-03-03 Improvements in ball bearings for the sound arms of disc talking machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB623123A GB216593A (en) 1923-03-03 1923-03-03 Improvements in ball bearings for the sound arms of disc talking machines

Publications (1)

Publication Number Publication Date
GB216593A true GB216593A (en) 1924-06-04

Family

ID=9810778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB623123A Expired GB216593A (en) 1923-03-03 1923-03-03 Improvements in ball bearings for the sound arms of disc talking machines

Country Status (1)

Country Link
GB (1) GB216593A (en)

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