GB759394A - Improvements in or relating to gramophone pick-up arms - Google Patents

Improvements in or relating to gramophone pick-up arms

Info

Publication number
GB759394A
GB759394A GB219254A GB219254A GB759394A GB 759394 A GB759394 A GB 759394A GB 219254 A GB219254 A GB 219254A GB 219254 A GB219254 A GB 219254A GB 759394 A GB759394 A GB 759394A
Authority
GB
United Kingdom
Prior art keywords
arm
supporting member
gramophone
jan
strip
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
GB219254A
Inventor
John Brown Gibson
Albert Eric Draper
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.)
COLLARO Ltd
Original Assignee
COLLARO 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 COLLARO Ltd filed Critical COLLARO Ltd
Priority to GB219254A priority Critical patent/GB759394A/en
Publication of GB759394A publication Critical patent/GB759394A/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
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers

Landscapes

  • Pivots And Pivotal Connections (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

759,394. Supporting gramophone pickups. COLLARO, Ltd. Jan. 21, 1955 [Jan. 25, 1954], No. 2192/54. Class 40(2) A gramophone pick-up arm 3 is hinged about a supporting member 6 therefor by one, or a number of strips side by side in the same plane, of a flexible and resilient thermoplastic synthetic resin material, e.g. nylon, opposite edges of the or of each strip being fixed respectively to the arm 3 and to the supporting member 6 to permit vertical movement of the arm. The strip 7 may comprise two pieces separate from each other or joined by 'one or two bridge pieces to form U-shaped or perforated rectangular members respectively. The part 4 to which the arm is fixed has a counterbalance weight 5 and to limit upward and and downward vertical movement respectively, an integral stop 18 and a stop 19 mounted on an adjustable screw 21 which extends through a slot 20 in the supporting member 6.
GB219254A 1954-01-25 1954-01-25 Improvements in or relating to gramophone pick-up arms Expired GB759394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB219254A GB759394A (en) 1954-01-25 1954-01-25 Improvements in or relating to gramophone pick-up arms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB219254A GB759394A (en) 1954-01-25 1954-01-25 Improvements in or relating to gramophone pick-up arms

Publications (1)

Publication Number Publication Date
GB759394A true GB759394A (en) 1956-10-17

Family

ID=9735204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB219254A Expired GB759394A (en) 1954-01-25 1954-01-25 Improvements in or relating to gramophone pick-up arms

Country Status (1)

Country Link
GB (1) GB759394A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108811A (en) * 1958-11-24 1963-10-29 Philips Corp Scanning arm for scanning records having stereophonically associated signals recorded in one groove
US3137430A (en) * 1961-12-05 1964-06-16 Magnavox Electronics Company L Sound recording and reproducing apparatus
US3417999A (en) * 1967-01-26 1968-12-24 Vm Corp Phonograph tone arm
GB2419025A (en) * 2004-06-12 2006-04-12 Martin Macritchie Adams Tone arm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108811A (en) * 1958-11-24 1963-10-29 Philips Corp Scanning arm for scanning records having stereophonically associated signals recorded in one groove
US3137430A (en) * 1961-12-05 1964-06-16 Magnavox Electronics Company L Sound recording and reproducing apparatus
US3417999A (en) * 1967-01-26 1968-12-24 Vm Corp Phonograph tone arm
GB2419025A (en) * 2004-06-12 2006-04-12 Martin Macritchie Adams Tone arm

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