Sony Corporation

Kentaro Shingai

Hiroshi Fujii

Takeharu Takasawa

Sunao Kushiro

Masanori Maehara

Norio Ito

Masahiro Kiko

Junya Endo

Takahiro Fukutani

Tamami Mishiro

Tadashi Ooami

The dimension in the height direction of a reel braking mechanism to be disposed on the side of an S-side reel table in a video tape recorder is made small while making it difficult to disassemble an assembled state. The dimension in an axis line direction of a pin that engages an elongated hole of a brake member of a brake arm is lengthened, thereby penetrating the brake member and extending downward. The extended portion of the pin is made to pass through a cut formed in an edge of a slide chassis.

Recording and reproducing apparatus

A head drum device of the present invention prevents a magnetic tape ( ) from clinging to the head drum device ( ) due to electrostatic charge by using a carbon-containing synthetic resin as the material of an upper drum ( ) in order to reduce the manufacturing cost for the upper drum. Also, setting the outside diameter of the upper drum ( ) smaller than that of an intermediate drum ( ) eliminates the need for a high-level of manufacturing precision in the manufacture of the upper drum ( ). Thus, it is possible to reduce the manufacturing cost for the upper drum ( ).

Head drum device with carbon-containing synthetic resin upper drum and larger diameter intermediate drum

Growing community of inventors

Tokyo, Japan

Kentaro Shingai