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Title:
BEARING FOR PINCH ROLLER AND PINCH ROLLER USING THE BEARING
Document Type and Number:
WIPO Patent Application WO/1998/026414
Kind Code:
A1
Abstract:
A pinch roller for use in tape driving apparatuses includes a shaft fixed to a frame, a sleeve having a rubber roller around the outer periphery thereof and a bearing interposed between the shaft and the sleeve. The bearing comprises an inner cylinder and an outer cylinder and a space opening to at least one of the end faces is disposed between the inner cylinder and the outer cylinder. The inner diameter of the inner cylinder is shaped into a taper or arcuate shape which gradually expands from a linear center portion towards both end portions. The inner cylinder and the outer cylinder may be interconnected by an interconnecting rib in a radial direction or by an interconnecting rib in an axial direction. Furthermore, the inner cylinder and the outer cylinder may be interconnected by interconnecting ribs in both radial and axial directions.

Inventors:
Matsukawa, Kiyotaka (Nippon Kagaku Yakin Kabushiki Kaisha, 12-32 Taiseich, Neyagawa-shi Osaka 572, JP)
Ishihara, Kozo (Nippon Kagaku Yakin Kabushiki Kaisha, 12-32 Taiseich, Neyagawa-shi Osaka 572, JP)
Koori, Ichiro (Nippon Kagaku Yakin Kabushiki Kaisha, 12-32 Taiseich, Neyagawa-shi Osaka 572, JP)
Okada, Toshihiro (Honsha Factory, Kabushiki Kaisha Meiji Gomu Kasei 1, Nobusawa, Kaiseimach, Ashigarakami-gun Kanagawa-ken 258, JP)
Application Number:
PCT/JP1997/004378
Publication Date:
June 18, 1998
Filing Date:
December 02, 1997
Export Citation:
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Assignee:
NIPPON KAGAKU YAKIN KABUSHIKI KAISHA (12-32, Taiseicho Neyagawa-shi, Osaka 572, JP)
KABUSHIKI KAISHA MEIJI GOMU KASEI (3-1 Nishishinjuku 2-chome, Shinjuku-ku, Tokyo 163-09, JP)
International Classes:
B65H27/00; F16C23/04; G11B15/29; (IPC1-7): G11B15/29
Attorney, Agent or Firm:
Sekine, Terutaka (Daiichikomoda Building, Room 205 6-6, Taito 1-chom, Taito-ku Tokyo 110, JP)
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