Patent US5938568A successfully refreshed from Google Patents.
US5938568A
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Exercise methods and apparatus
Assignee: Individual
•
Filing: 1998-04-23
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Granted: 1999-08-17
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Expires: 2018-04-23
Abstract
Abstract An exercise apparatus includes a foot supporting member having a first end rotatably connected to a crank and a second, opposite end supported by a roller which is selectively movable in a radial direction.
Inventors
- 👤 Joseph D. Maresh
- 👤 Kenneth W. Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/0015; A63B22/0023; A63B22/0002; A63B22/001; A63B22/0012; A63B22/06; A63B22/0664; A63B2022/067; A63B21/00; A63B21/06; A63B21/068
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
106 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable in a plane extending perpendicular to the crank axis; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions disposed on top of respective rollers, and third portions sized and configured to support respective feet of a person, wherein said foot supports are movable in both rotational and translational fashion relative to said respective rollers.
Claim 2
Dependent Claim
106 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable in a plane extending perpendicular to the crank axis; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions disposed on top of respective rollers, and third portions sized and configured to support respective feet of a person, wherein said foot supports are movable in both rotational and translational fashion relative to said respective rollers.
Claim 3
Dependent Claim
23 words
The exercise apparatus of claim 1, wherein the rollers are rotatably mounted on respective rocker links which are pivotally mounted on the frame.
Claim 4
Dependent Claim
19 words
The exercise apparatus of claim 2, wherein upper ends of the rocker links are sized and configured for grasping.
Claim 5
Dependent Claim
101 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable in a plane extending perpendicular to the crank axis, wherein the rollers are movable at a user's discretion during rotation of the cranks; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions supported by respective rollers, and third portions sized and configured to support respective feet of a person.
Claim 6
Dependent Claim
101 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable in a plane extending perpendicular to the crank axis, wherein the rollers are movable at a user's discretion during rotation of the cranks; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions supported by respective rollers, and third portions sized and configured to support respective feet of a person.
Claim 7
Dependent Claim
23 words
The exercise apparatus of claim 4, wherein the rollers are rotatably mounted on respective rocker links which are pivotally mounted on the frame.
Claim 8
Dependent Claim
19 words
The exercise apparatus of claim 5, wherein upper ends of the rocker links are sized and configured for grasping.
Claim 9
Dependent Claim
90 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable through parallel paths of motion while in axial alignment with one another; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions supported by respective rollers, and third portions sized and configured to support respective feet of a person.
Claim 10
Dependent Claim
90 words
An exercise apparatus, comprising: a frame sized and configured to rest upon a horizontal floor surface; left and right cranks rotatably mounted on the frame and rotatable about a common crank axis; left and right rollers rotatable relative to the frame and selectively movable through parallel paths of motion while in axial alignment with one another; and left and right foot supports having first portions rotatably connected to respective cranks, and second portions supported by respective rollers, and third portions sized and configured to support respective feet of a person.
Claim 11
Dependent Claim
23 words
The exercise apparatus of claim 7, wherein the rollers are rotatably mounted on respective rocker links which are pivotally mounted on the frame.
Claim 12
Dependent Claim
19 words
The exercise apparatus of claim 8, wherein upper ends of the rocker links are sized and configured for grasping.
References Cited (Backward Citations)
US5346447A
Cited
US5242343A
Cited
US5499956A
Cited
US5549526A
Cited
US5685804A
Cited
US5658225A
Cited
US5653662A
Cited
US5762588A
Cited
US5823917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-08-16 | 2003-02-15 | 2003-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-08-16 | 2007-02-15 | 2007-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-08-16 | 2011-02-15 | 2011-08-17 | $7700.00 | Window Closed / Lapsed |