Base, drum, and drum mounting unit for magnetic recording...

Details Base, drum, and drum mounting unit for magnetic recording... Base, drum, and drum mounting unit for magnetic recording...

2005-08-09

2005-08-09

Watko, Julie Anne (Department: 2653)

Dynamic magnetic information storage or retrieval

Head mounting

For moving head during transducing

Reexamination Certificate

active

06927944

ABSTRACT:
A tilt stand having a mounting surface and holes for mounting a drum are formed by one normal-feed press working. The holes for mounting the drum are formed by vertical punching. The respective holes are rectangular holes, each of which has one side equal to the diameter of a shaft or the diameter of a screw in the direction of Y. The hole into which the shaft is inserted has the other side in the direction of X which is determined such that the side is in contact with the shaft inserted into the hole in the direction perpendicular to the mounting surface at the obverse surface and the reverse surface of the mounting surface. The drum has a structure in which the shaft projects from the bottom and is positioned with respect to the mounting surface by inserting the shaft into the mounting hole. Three screw holes are formed near the shaft of the drum. The mounting angle of the drum with respect to the mounting surface is determined by the use of the mounting holes corresponding to these screw holes. Therefore, this can reduce the number of processes and the load of a press machine and increases the strength of a base without degrading the mounting accuracy of the drum and the accuracy of the linearity of a lead.

REFERENCES:
patent: 4814917 (1989-03-01), Nonoyama
patent: 5021908 (1991-06-01), Morimoto et al.
patent: 5321569 (1994-06-01), Sakai
patent: 5831796 (1998-11-01), Nishida
patent: 6151191 (2000-11-01), Muftu et al.
patent: 2001/0013995 (2001-08-01), Jeong
patent: 8-55318 (1996-02-01), None

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