GB1284401A - Improvements in or relating to gramophone record players - Google Patents

Improvements in or relating to gramophone record players

Info

Publication number
GB1284401A
GB1284401A GB3350768A GB3350768A GB1284401A GB 1284401 A GB1284401 A GB 1284401A GB 3350768 A GB3350768 A GB 3350768A GB 3350768 A GB3350768 A GB 3350768A GB 1284401 A GB1284401 A GB 1284401A
Authority
GB
United Kingdom
Prior art keywords
pick
arm
groove
july
enters
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
GB3350768A
Inventor
Alan William Say
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB3350768A priority Critical patent/GB1284401A/en
Priority to DE19691935368 priority patent/DE1935368A1/en
Publication of GB1284401A publication Critical patent/GB1284401A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B25/00—Rims built-up of several main parts ; Locking means for the rim parts
    • B60B25/04—Rims with dismountable flange rings, seat rings, or lock rings
    • B60B25/14—Locking means for flange rings or seat rings
    • B60B25/18—Arrangement of split rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/12—Appurtenances, e.g. lining bands
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Feeding And Guiding Record Carriers (AREA)

Abstract

1284401 Automatic record changer PLESSEY CO Ltd 14 July, 1969 [12 July 1968] 33507/68 Heading G5R In a gramophone with a normal velocity trip means which operates to initiate an automatic record change when a pick-up enters the record run-off groove at a radius of approximately 2¢ inches, the trip means is made adjustable to allow playing of records of 3# inch diameter. In normal use when the pick-up is about to enter the run-out groove, pin 12 on lever 11, which pivots with the pick-up arm, engages the end of arm 8 and, as the pick-up enters the groove, moves the tip 7a of pawl 7 into contact with abutment 4a whereby the cam wheel 5 is moved into mesh with pinion 4 and the autochange sequence commences. The arm 8 is formed with a notched portion 30 which by operation of control 33 can be moved into a position to be contacted by pin 12 thus allowing the pick-up to move much nearer the centre of the turntable before tripping the change mechanism.
GB3350768A 1968-07-12 1968-07-12 Improvements in or relating to gramophone record players Expired GB1284401A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3350768A GB1284401A (en) 1968-07-12 1968-07-12 Improvements in or relating to gramophone record players
DE19691935368 DE1935368A1 (en) 1968-07-12 1969-07-11 Record player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3350768A GB1284401A (en) 1968-07-12 1968-07-12 Improvements in or relating to gramophone record players

Publications (1)

Publication Number Publication Date
GB1284401A true GB1284401A (en) 1972-08-09

Family

ID=10353867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3350768A Expired GB1284401A (en) 1968-07-12 1968-07-12 Improvements in or relating to gramophone record players

Country Status (2)

Country Link
DE (1) DE1935368A1 (en)
GB (1) GB1284401A (en)

Also Published As

Publication number Publication date
DE1935368A1 (en) 1970-03-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee