US4940222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper feed device and paper cassette therefor
Assignee: Oki Electric Industry Co Ltd
•
Filing: 1989-02-15
•
Granted: 1990-07-10
•
Expires: 2009-02-15
Abstract
Abstract A paper cassette which stores a number of types of media on a media load plate which is rotatable and the other end of the media load plate is rotated up and down by a reset arm and performs paper feed with the media pushed against a hopping roller by a spring which pushes the media load plate upwards. The paper cassette further includes an auxiliary resilient member which pushes the reset arm up, a sub-arm having one end which abuts against the auxiliary resilient member and rotates together with the auxiliary resilient member and a regulator provided in the range of rotation of the sub-arm for regulating the rotation of the sub-arm in accordance with the size of the media.
Inventors
- 👤 Mikihiko Maeno
- 👤 Yukio Ohta
- 👤 Yoshiharu Momiyama
- 👤 Hisao Ono
- 👤 Katsumasa Takahata
- 👤 Kazuyuki Ozono
- 👤 Makoto Shimizu
- 👤 Mikio Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:25
CPC Classifications
B; B41; B41J; B41J13/00; B41J13/10; B41J13/103; B65; B65H; B65H1/00; B65H1/04; B65H2511/00; B65H2511/10; B65H2511/11; B65H2511/20; B65H2511/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
A paper cassette which stores a number of types of media on a media load plate, one end of which is journalled in such a way that it is able to rotate and the other end of which is rotated up and down by a reset arm, and performs paper feed with the medium pushed against a hopping roller by a spring which pushes the media load plate upwards, comprising an auxiliary resilient member which pushes the reset arm up, a sub-arm, one end of which abuts and stops said auxiliary resilient member and which rotates together with the auxiliary resilient member, and a means provided in the rotation range of said sub-arm for regulating the rotation of said sub-arm according to the size of the medium by being able to move in accordance with the size of medium.
Claim 2
Dependent Claim
139 words
A paper cassette which stores a number of types of media on a media load plate, one end of which is journalled in such a way that it is able to rotate and the other end of which is rotated up and down by a reset arm, and performs paper feed with the medium pushed against a hopping roller by a spring which pushes the media load plate upwards, comprising an auxiliary resilient member which pushes the reset arm up, a sub-arm, one end of which abuts and stops said auxiliary resilient member and which rotates together with the auxiliary resilient member, and a means provided in the rotation range of said sub-arm for regulating the rotation of said sub-arm according to the size of the medium by being able to move in accordance with the size of medium.
Claim 3
Dependent Claim
130 words
A paper cassette which stores a number of types of media on media load plate, one end of which is journalled in such a way that it is able to rotate and the other end of which is rotated up and down by a reset arm, and which positions the width of the media by moving a side plate, and which performs paper feed with the media pushed against a hopping roller by a spring which pushes said other end of the media load plate upwards, comprising an auxiliary resilient member which rotates following said reset arm and pushes the reset arm up, and a means, formed integrally with the side plate, which regulates the rotation of said auxiliary arm by moving in accordance with the size of the media.
Claim 4
Dependent Claim
130 words
A paper cassette which stores a number of types of media on media load plate, one end of which is journalled in such a way that it is able to rotate and the other end of which is rotated up and down by a reset arm, and which positions the width of the media by moving a side plate, and which performs paper feed with the media pushed against a hopping roller by a spring which pushes said other end of the media load plate upwards, comprising an auxiliary resilient member which rotates following said reset arm and pushes the reset arm up, and a means, formed integrally with the side plate, which regulates the rotation of said auxiliary arm by moving in accordance with the size of the media.
References Cited (Backward Citations)
US4307878A
Cited
US4509738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-09 | 1994-01-08 | 1994-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-09 | 1998-01-08 | 1998-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-09 | 2002-01-08 | 2002-07-10 | $7700.00 | Window Closed / Lapsed |