← Back to Patent Explorer
US4613130A Expired / Lapsed US ⏱️ 0.0 years remaining

Resilient therapeutic device with timer and indicator

Assignee: Individual
•
Filing: 1985-07-15
•
Granted: 1986-09-23
•
Expires: 2005-07-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An exercise device for use in dystrophy therapy employs a compression spring which provides an adjustable resistance force. Manual application of a push-type force to a handle actuates a cumulative timer circuit for recording the elapsed time at which an exerted force exceeds a pre-established threshold force. The exercise device may also be converted to a pull mode wherein a pull force exerted between a plate and a handle connecting the exercise device actuates a cumulative timer circuit. The threshold force is adjustable by changing the axial position of the compression spring seat.

Inventors

  • 👤 Harold K. Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:50
CPC Classifications
A; A63; A63B; A63B24/00; A63B21/00; A63B21/02; A63B21/05; A63B2220/00; A63B2220/17

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 273 words
An exercise device for use in dystrophy therapy comprising: a platform having a base adapted to be placed on a horizontal surface and a cover vertically displaceable relative to the base and forming in cooperationg with said base a housing with said cover defining a generally horizonally extending upper surface; handle means mounted in fixed relationship to said cover and extending generally vertically therefrom to upwardly terminate in an application surface to facilitate application of a downward force through a hand forced against said application surface, said application surface having an area which is substantially less than the area of the upper surface of said cover; compression spring means enclosed in said formed housing and said handle means and having opposing biasing ends to provide a variable resistance force to a force of compression exerted between said opposing ends, one said end being seated against a first seat mounted in pre-established relationship with said base, the other said end being seated against a second seat mounted in pre-established relationship with said handle means; one said seat being a variably positionable seat to adjustably vary the resistance force of said compression spring means; adjustment means to selectively pre-set the position of said adjustable seat; timer means to record cumulative elapsed time and present a visual display thereof at said cover upper surface; and switch means enclosed in said formed housing to activate said timer means when a compressive force applied at said application surface and exerted between said handle means and base exceeds said pre-set resistance force and to deactivate said timer means when said compressive force does not exceed said pre-set resistance force.
Claim 2
Dependent Claim 273 words
An exercise device for use in dystrophy therapy comprising: a platform having a base adapted to be placed on a horizontal surface and a cover vertically displaceable relative to the base and forming in cooperationg with said base a housing with said cover defining a generally horizonally extending upper surface; handle means mounted in fixed relationship to said cover and extending generally vertically therefrom to upwardly terminate in an application surface to facilitate application of a downward force through a hand forced against said application surface, said application surface having an area which is substantially less than the area of the upper surface of said cover; compression spring means enclosed in said formed housing and said handle means and having opposing biasing ends to provide a variable resistance force to a force of compression exerted between said opposing ends, one said end being seated against a first seat mounted in pre-established relationship with said base, the other said end being seated against a second seat mounted in pre-established relationship with said handle means; one said seat being a variably positionable seat to adjustably vary the resistance force of said compression spring means; adjustment means to selectively pre-set the position of said adjustable seat; timer means to record cumulative elapsed time and present a visual display thereof at said cover upper surface; and switch means enclosed in said formed housing to activate said timer means when a compressive force applied at said application surface and exerted between said handle means and base exceeds said pre-set resistance force and to deactivate said timer means when said compressive force does not exceed said pre-set resistance force.
Claim 3
Dependent Claim 32 words
The exercise device of claim 1 wherein said compression spring means comprises a coil spring having a compression force which varies in accordance with the degree of axial compression of said spring.
Claim 4
Dependent Claim 33 words
The exercise device of claim 1 wherein said spring adjustment means further comprises an adjustment screw which threadably engages said positionable spring seat to axially displace said seat upon rotation of said screw.
Claim 5
Dependent Claim 29 words
The exercise device of claim 1 further comprising a shaft axially responsive to the position of said spring seat to indicate the pre-set resistance force of said compression spring.
Claim 6
Dependent Claim 28 words
The exercise device of claim 1 further comprising indicator light means to visually indicate when a compression force applied to said handle means exceeds the pre-set resistance force.

References Cited (Backward Citations)

US3132861A Cited
US3596907A Cited
US4199987A Cited
US4433364A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-09-22 1990-03-24 1990-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-09-22 1994-03-24 1994-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-09-22 1998-03-24 1998-09-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag