Patent US5310395A successfully refreshed from Google Patents.
US5310395A
Expired / Lapsed
US
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Exercising apparatus
Assignee: YOW LI FENG INDUSTRIAL Co Ltd
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Filing: 1993-10-28
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Granted: 1994-05-10
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Expires: 2013-10-28
Abstract
Abstract An exercising apparatus includes a base having two upright handles on two opposite sides thereof and a ball bearing, a rotary table supported on the ball bearing and moved to turn thereon and having an upright support in the center, a foot board balanced on the upright support and moved to turn the rotary table on the ball bearing of the base, and tensile elements bilaterally connected between the rotary table and the foot board for permitting the foot board to be alternatively oscillated back and forth.
Inventors
- 👤 Ching-Ho Ko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:29
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/055; A63B22/00; A63B22/14; A63B71/00; A63B71/02; A63B71/023; A63B2071/026; A63B2071/027; A63B21/04; A63B21/0407; A63B21/0421; A63B21/0428; A63B21/0552; A63B22/16; A63B2208/00; A63B2208/02; A63B2208/0204
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
88 words
An exercising apparatus comprising: a base having a seat in the center; a rotary table mounted on said seat of said base and moved to turn on said seat of said base, said rotary table having an upright support; a foot board having a bottom lug pivoted to said upright support of said rotary table at the top; and two tensile elements bilaterally connected between said rotary table and said foot board for permitting said foot board to be alternatively oscillate back and forth on said rotary table.
Claim 2
Dependent Claim
88 words
An exercising apparatus comprising: a base having a seat in the center; a rotary table mounted on said seat of said base and moved to turn on said seat of said base, said rotary table having an upright support; a foot board having a bottom lug pivoted to said upright support of said rotary table at the top; and two tensile elements bilaterally connected between said rotary table and said foot board for permitting said foot board to be alternatively oscillate back and forth on said rotary table.
Claim 3
Dependent Claim
68 words
The exercising apparatus of claim 1 wherein said rotary table is fastened to said seat of said base by a locating rod, said locating rod being inserted through a center hole on said rotary table and having a top end terminated to a h®ad stopped above said center hole and a bottom end inserted through a hole on said seat of said base and retained to said base.
Claim 4
Dependent Claim
39 words
The exercising apparatus of claim 1 wherein said base and said foot board have a respective pair of parallel grooves for mounting two counter weights between said base and said foot board to hold said foot board in position.
Claim 5
Dependent Claim
75 words
The exercising apparatus of claim 1 wherein said rotary table has an annular groove on a bottom thereof; said seat of said base comprises a plurality of recessed holes arranged around a circle, and a plurality of steel balls partially received in said recessed holes and partially received in said annular groove of said rotary table to support said rotary table on said base for permitting said rotary table to be turned on said base.
Claim 6
Dependent Claim
18 words
The exercising apparatus of claim 1 wherein said base comprises two upright handles disposed on two opposite sides.
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) | 1997-05-09 | 1997-11-08 | 1998-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-09 | 2001-11-08 | 2002-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-09 | 2005-11-08 | 2006-05-10 | $7700.00 | Window Closed / Lapsed |