US5408935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation system using magnetic belt propulsion
Assignee: JR EAST JAPAN INFORMATION SYSTEM Co
•
Filing: 1993-10-01
•
Granted: 1995-04-25
•
Expires: 2013-10-01
Abstract
Abstract A magnet-type transportation system of a car-side primary type includes a rail of a magnetic material, fixedly laid down along a traveling track, and a power car capable of self-movement by a plurality of wheels adapted to roll over the traveling track. The power car includes a plurality of magnet belt conveyor units, each having a magnet belt extended in an endless manner around a driving wheel and a driven wheel. The power car also includes a power unit and a power transfer/transmission mechanism for driving each conveyor unit. The power car is adapted so that the magnet belts mounted thereon are magnetically attracted to the rail.
Inventors
- 👤 Kazumi Matsui
- 👤 Takashi Takasue
- 👤 Nagao Sakakura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:55
CPC Classifications
B; B61; B61C; B61C11/00; B61B; B61B13/00; B61B13/12; B61B13/04; Y; Y02; Y02T; Y02T30/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
361 words
A magnet-type transportation system comprising: a rail, made of magnetic material, fixed to a travelling track; a power car movable along the travelling track; a pair of right supporting frames and a pair of left supporting frames arranged below said power car, each of said right supporting frames opposing one of said left supporting frames and being disposed on a right side of said rail, each of said left supporting frames opposing one of said right supporting frames and being disposed on a left side of said rail; a pair of wheel supporting frames, one of said wheel supporting frames connected to each set of opposing left and right supporting frames; two pairs of supporting wheels rolling on said travelling track, each pair of supporting wheels supported on opposite sides of said rail by one of said wheel supporting frames, said supporting wheels bearing a load, provided by said car, applied to the wheel supporting frames; a front supporting roller, rolling over a top surface of said rail, provided near front ends of each set of opposing left and right supporting frames; a rear supporting roller, rolling over a top surface of said rail, provided near rear ends of each set of opposing left and right supporting frames, the front supporting roller and the rear supporting roller combining to bear a load of the opposing left and right supporting frames; a magnet belt conveyor unit on each of said right supporting frames and on each of said left supporting frames, each magnet belt conveyor unit having (i) an endless magnet belt adapted to be magnetically attracted to a side surface of said rail, (ii) a driving wheel and a driven wheel, said endless magnet belt extending around said driving wheel and said driven wheel, and (iii) power transfer means for driving said magnet belt conveyor unit so that said endless magnet belt moves in a direction of circulating movement, each magnet belt conveyor unit being mounted on one of said supporting frames so that its endless magnet belt opposes and moves in a direction of circulating movement opposite to that of an endless magnet belt of another magnet belt conveyor unit.
Claim 2
Dependent Claim
361 words
A magnet-type transportation system comprising: a rail, made of magnetic material, fixed to a travelling track; a power car movable along the travelling track; a pair of right supporting frames and a pair of left supporting frames arranged below said power car, each of said right supporting frames opposing one of said left supporting frames and being disposed on a right side of said rail, each of said left supporting frames opposing one of said right supporting frames and being disposed on a left side of said rail; a pair of wheel supporting frames, one of said wheel supporting frames connected to each set of opposing left and right supporting frames; two pairs of supporting wheels rolling on said travelling track, each pair of supporting wheels supported on opposite sides of said rail by one of said wheel supporting frames, said supporting wheels bearing a load, provided by said car, applied to the wheel supporting frames; a front supporting roller, rolling over a top surface of said rail, provided near front ends of each set of opposing left and right supporting frames; a rear supporting roller, rolling over a top surface of said rail, provided near rear ends of each set of opposing left and right supporting frames, the front supporting roller and the rear supporting roller combining to bear a load of the opposing left and right supporting frames; a magnet belt conveyor unit on each of said right supporting frames and on each of said left supporting frames, each magnet belt conveyor unit having (i) an endless magnet belt adapted to be magnetically attracted to a side surface of said rail, (ii) a driving wheel and a driven wheel, said endless magnet belt extending around said driving wheel and said driven wheel, and (iii) power transfer means for driving said magnet belt conveyor unit so that said endless magnet belt moves in a direction of circulating movement, each magnet belt conveyor unit being mounted on one of said supporting frames so that its endless magnet belt opposes and moves in a direction of circulating movement opposite to that of an endless magnet belt of another magnet belt conveyor unit.
Claim 3
Dependent Claim
29 words
A magnet-type transportation system as defined by claim 1, and further comprising a pair of supporting springs provided between said power car and each of said wheel supporting frames.
Claim 4
Dependent Claim
26 words
A magnet-type transportation system as defined by claim 1, and further comprising a trailing car, equipped with no magnet belt conveyor, coupled to said power car.
Claim 5
Dependent Claim
45 words
A magnet-type transportation system as defined by claim 3, and further comprising at least one other power car, coupled to said trailing car so as to form a train and so that front and rear cars of said train are formed by the power cars.
Claim 6
Dependent Claim
36 words
A magnet-type transportation system as defined by claim 1, wherein said power transfer means comprises a motor, mounted on one of said supporting frames, and means for transmitting power from said motor to said driving wheel.
Claim 7
Dependent Claim
31 words
A magnet-type transportation system as defined by claim 5, wherein said means for transmitting power comprises gearing driving said driving wheel and a coupling provided between said motor and said gearing.
References Cited (Backward Citations)
CA540402A
Cited
US1396627A
Cited
US1987104A
Cited
US3448694A
Cited
US3868908A
Cited
US4278164A
Cited
US4197934A
Cited
US4289227A
Cited
JPS5823270A
Cited
JPS61160090A
Cited
JPS6313911A
Cited
JPS6320279A
Cited
GB2203108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-24 | 1998-10-24 | 1999-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-24 | 2002-10-24 | 2003-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-24 | 2006-10-24 | 2007-04-25 | $7700.00 | Window Closed / Lapsed |