专利摘要:
A magnetic disk member for a memory disk file usable in a data processing system includes an eccentric multi-lobed triangular center locating hole to facilitate concentric mounting of the locating hole centerlines in a multiple disk pack memory. The disks are centered in a disk pack by placing onto a drive hub having ribs to match the lobes of the locating holes.
公开号:SU971122A3
申请号:SU772537049
申请日:1977-10-28
公开日:1982-10-30
发明作者:Людвиг Коффманн Элвуд
申请人:Интернэшнл Бизнес Машинз Корпорейшн(Фирма);
IPC主号:
专利说明:

(54) DEVICE FOR MAGNETIC RECORDING
I
The invention relates to the field of accumulation of information, namely, devices for magnetic marking.
A device for magnetic chrome, containing a magnetic head, j
assembled with the possibility of coupling with the spiral groove of the magnetic disk 1.
The known device has a relatively simple but simple design, but does not allow for a sufficiently high magnetic recording density.
It is also known a magnetic recording device comprising a magnetic head mounted on a carriage connected to the driving mechanism with the possibility of radial movement relative to the magnetic disk, in the opening 20 of which the driving shaft is mounted rotatably mounted 12.
The disadvantage of such a device is a significant error in centering the magnetic disk on the drive shaft. 25
The purpose of the invention is to reduce the error in centering the magnetic disk on the drive shaft.
This goal is achieved by the fact that the hole of the magnetic disk is made with a perimeter in the form of circular arcs, the radius of which is greater than the radius of the drive shaft, made with rail-like projections parallel to its axis of rotation, and the rail-like protrusions are mounted with the possibility of jamming in the hole of the magnetic disk when the drive shaft rotates .
FIG. 1 shows one of the possible variants of the proposed magnetic recording device; in fig. 2 - the location of the rail-like protrusions of the drive shaft in the hole of the magnetic disk.
The device contains magnetic heads 1 mounted on a carriage 2 connected to the driving mechanism 3 with the possibility of radial movement relative to the magnetic disks 4. In the hole 5 of each magnetic disk 4 a drive shaft 6 is mounted, mounted
rotatably by an electric motor 7 connected to it via a belt transmission 8. Hole 5 of each magnetic disk is made with a perimeter in the form of circular arcs 9 whose radius is larger than the radius of the drive shaft 6, wired with rail-like projections 10, parallel to its axis of rotation. In this case, the rail-shaped protrusions 10 are mounted so that they can be closed in the hole 5 of the magnetic disk 4 during rotation of the drive shaft 6.
In the magnetic recording process, the rotation of the drive shaft 6 is transmitted to the magnetic disks 4, on which, due to the movement of the carriage 2, the formation of circular recording tracks is ensured. In this case, because of the knocking down of rail-shaped protrusions H in the hole 5 of each magnetic disk 4, the latter is securely fastened and centered on the drive shaft 6.
The present invention, in addition to reducing the error in centering the disc on the drive shaft, also allows for the simplicity of the design of a magnetic recording device.
权利要求:
Claims (2)
[1]
1. Parfent'ev, AI, et al. Physical bases of magnetic sound recording. M., State Publishing House of Technical and Theoristic Literature, 1957, p. 152.
[2]
2. Japanese Patent No. 51-17410, cl. O2 E 23, 02.06.76 (prototype).
ig.1
2.
类似技术:
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同族专利:
公开号 | 公开日
DE2739724C3|1979-09-06|
GB1581483A|1980-12-17|
CA1100632A|1981-05-05|
JPS5357011A|1978-05-24|
AU2982077A|1979-05-24|
US4091454A|1978-05-23|
DD133379A5|1978-12-27|
ATA637177A|1979-08-15|
IL52888D0|1977-11-30|
DE2739724A1|1978-05-03|
IL52888A|1979-11-30|
AR225269A1|1982-03-15|
IT1115682B|1986-02-03|
JPS5716424B2|1982-04-05|
PH19363A|1986-04-02|
SE426111B|1982-12-06|
CH622641A5|1981-04-15|
FR2369648B1|1979-06-01|
DE2739724B2|1978-12-07|
SE7712116L|1978-05-02|
FR2369648A1|1978-05-26|
CS714677A2|1984-02-13|
ES462537A1|1978-07-16|
NL7711511A|1978-05-05|
AT355820B|1980-03-25|
YU254577A|1982-02-28|
AU510780B2|1980-07-10|
BR7707403A|1978-08-22|
引用文献:
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
US05/737,947|US4091454A|1976-11-02|1976-11-02|Self-centering disk having an eccentric elliptical-shaped center locating hole|
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