Patent US4917328A successfully refreshed from Google Patents.
US4917328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel driving mechanism
Assignee: Canon Inc
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Filing: 1988-11-01
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Granted: 1990-04-17
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Expires: 2008-11-01
Abstract
Abstract A reel driving mechanism is provided with a braking member for braking a rotary member which rotates a reel table via a torque limiting member, in correspondence with the direction of rotation of the reel table and in interlinking relation with the reel table.
Inventors
- 👤 Junji Kobayashi
- 👤 Makoto Fujiki
- 👤 Takashi Kimura
- 👤 Masahiro Ando
- 👤 Hidetoshi Matsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:44
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/50; G11B15/22; G11B15/26; G11B15/32
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
73 words
A reel driving mechanism comprising: (a) a reel table; (b) a torque limiting member; (c) a rotary member for driving said reel table via said torque limiting member; and (d) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a predetermined direction, and said braking member including a movable member driven by the rotating force of said rotary member.
Claim 2
Dependent Claim
73 words
A reel driving mechanism comprising: (a) a reel table; (b) a torque limiting member; (c) a rotary member for driving said reel table via said torque limiting member; and (d) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a predetermined direction, and said braking member including a movable member driven by the rotating force of said rotary member.
Claim 3
Dependent Claim
29 words
A mechanism according to claim 1, wherein said braking member further includes a torque limiting part for transmitting the rotating force of said rotary member to said movable member.
Claim 4
Dependent Claim
26 words
A mechanism according to claim 2, wherein said braking member further includes a stopper for inhibiting the moving of said movable member in a predetermined direction.
Claim 5
Dependent Claim
23 words
A mechanism according to claim 1, wherein said movable member has a gearing portion for gearing with a portion of said rotary member.
Claim 6
Dependent Claim
32 words
A mechanism according to claim 1, wherein said rotary member includes a first rotary part rotating coaxially with said reel table and a second rotary part coupled with said first rotary part.
Claim 7
Dependent Claim
31 words
A mechanism according to claim 5, wherein said braking member includes a torque limiting part and said movable member is driven by said second rotary part via said torque limiting member.
Claim 8
Dependent Claim
32 words
A mechanism according to claim 6, wherein said movable member rotates coaxially with said second rotary part and has a gearing portion for gearing with a portion of said first rotary part.
Claim 9
Dependent Claim
82 words
A reel driving mechanism comprising: (a) a base plate; (b) a reel table relatively rotatable to said base plate; (c) a torque limiting member; (d) rotary member for driving said reel table via said torque limiting member; and (e) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a predetermined direction, and said braking member including a one-way clutch acting between said rotary member and said base plate.
Claim 10
Dependent Claim
82 words
A reel driving mechanism comprising: (a) a base plate; (b) a reel table relatively rotatable to said base plate; (c) a torque limiting member; (d) rotary member for driving said reel table via said torque limiting member; and (e) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a predetermined direction, and said braking member including a one-way clutch acting between said rotary member and said base plate.
Claim 11
Dependent Claim
32 words
A mechanism according to claim 8, wherein said rotary member includes a rotary body rotating coaxially with said reel table, and wherein said one-way clutch is disposed coaxially with said rotary body.
Claim 12
Dependent Claim
121 words
A tape recorder comprising: (a) a take-up reel table for taking up a tape; (b) a torque limiting member; (c) a rotary member for driving said reel table via said torque limiting member; and (d) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a direction in which the tape is pulled out from said take-up reel table, said braking member including a movable member which has a gearing portion gearing with a portion of said rotary member and is driven by the rotating force of said rotary member, and a torque limiting member for transmitting the rotational force of said rotary member to said movable member.
Claim 13
Dependent Claim
121 words
A tape recorder comprising: (a) a take-up reel table for taking up a tape; (b) a torque limiting member; (c) a rotary member for driving said reel table via said torque limiting member; and (d) a braking member for braking said rotary member, said braking member acting only when the direction of rotation of said reel table is a direction in which the tape is pulled out from said take-up reel table, said braking member including a movable member which has a gearing portion gearing with a portion of said rotary member and is driven by the rotating force of said rotary member, and a torque limiting member for transmitting the rotational force of said rotary member to said movable member.
Claim 14
Dependent Claim
67 words
A tape recorder comprising: (a) a base plate; (b) a take-up reel table arranged to be relatively rotatable to said base plate; (c) a torque limiting member; (d) a rotary member for driving said reel table via said torque limiting member; and (e) a braking member for braking said rotary member, said braking member including a one-way clutch acting between said rotary member and said base plate.
Claim 15
Dependent Claim
67 words
A tape recorder comprising: (a) a base plate; (b) a take-up reel table arranged to be relatively rotatable to said base plate; (c) a torque limiting member; (d) a rotary member for driving said reel table via said torque limiting member; and (e) a braking member for braking said rotary member, said braking member including a one-way clutch acting between said rotary member and said base plate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-16 | 1993-10-16 | 1994-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-16 | 1997-10-16 | 1998-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-16 | 2001-10-16 | 2002-04-17 | $7700.00 | Window Closed / Lapsed |