Patent US3596907A successfully refreshed from Google Patents.
US3596907A
Expired / Lapsed
US
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Friction exercising apparatus
Assignee: SCIENT EXERCISING EQUIPMENT LT
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Filing: 1967-01-12
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Granted: 1971-08-03
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Expires: 1987-01-12
Abstract
Abstract An exercising device including an elongated flexible member for mounting within a frame. Attempted relative movement of the flexible member with respect to the frame in one direction is opposed by a force which gradually increases to a predetermined level, at which level it remains upon further movement of the flexible member in the said one direction. No significant force opposes relative movement of the flexible member in the opposite direction. Means are incorporated for regulating and adjusting the predetermined level of the opposing force.
Inventors
- 👤 Malcolm Brighton
- 👤 Walter Orner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:29
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/012; A63B21/018; A63B21/00058; A63B21/00069
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
154 words
Apparatus for exercising the body comprising a frame, a flexible substantially inextensible elongated member some length of which is within the frame and which extends from the frame, opposition means, including frictional surfaces, for exerting opposition to attempted relative movement of the elongated member with respect to the frame in one direction but to present no significant opposition to relative movement in the opposite direction, such opposition means, being such that in operation, a pressure develops between the frictional surfaces to produce said opposition in response to the attempted relative movement of the elongated member, said opposition means presenting an opposition force which increases gradually to a predetermined level during initial movement of said elongated member in said one direction and remains generally at said predetermined level on further movement of said elongated member in said one direction, and means for regulating and adjusting the value of said predetermined level of said opposition force.
Claim 2
Dependent Claim
154 words
Apparatus for exercising the body comprising a frame, a flexible substantially inextensible elongated member some length of which is within the frame and which extends from the frame, opposition means, including frictional surfaces, for exerting opposition to attempted relative movement of the elongated member with respect to the frame in one direction but to present no significant opposition to relative movement in the opposite direction, such opposition means, being such that in operation, a pressure develops between the frictional surfaces to produce said opposition in response to the attempted relative movement of the elongated member, said opposition means presenting an opposition force which increases gradually to a predetermined level during initial movement of said elongated member in said one direction and remains generally at said predetermined level on further movement of said elongated member in said one direction, and means for regulating and adjusting the value of said predetermined level of said opposition force.
Claim 3
Dependent Claim
146 words
Apparatus as claimed in claim 1, in which said opposition means and a surface disposed to be frictionally cooperable therewith, and wherein the friction surface is carried by a lever and is urged towards said first rotatable member by the tension in the elongated member, which lever is mounted on an adjustable pivot by which the ratio of the lever can be varied, said apparatus further comprising a second member mounted for rotation about an axis fixed in relation to the frame, one end of the elongated member being anchored to said second rotatable member, and recoil means, energized by the withdrawal from the frame of at least some further length of the elongated member when the elongated member is pulled, for drawing the elongated member back towards the frame after said some further length has been drawn from the frame and the elongated member released.
Claim 4
Dependent Claim
27 words
Apparatus as claimed in claim 1, in which the frictional surfaces are respectively on the elongated member and on the member disposed to engage the elongated member.
Claim 5
Dependent Claim
139 words
Apparatus as claimed in claim 1, in which said opposition means includes a first rotatable member and a surface disposed to be frictionally cooperable therewith, and wherein the adjusting means comprises means whereby when the frictional opposition between the surface and said first rotatable member has reached said predetermined level, it is prevented from increasing further, said apparatus further comprising a second member mounted for rotation about an axis fixed in relation to the frame, one end of the elongated member being anchored to said second rotatable member, and recoil means, energized by the withdrawal from the frame of at least some further length of the elongated member when the elongated member is pulled, for drawing the elongated member back towards the frame after said some further length has been drawn from the frame and the elongated member released.
Claim 6
Dependent Claim
140 words
Apparatus as claimed in claim 1, in which said opposition means includes a rotatable member, a plurality of elements each having a surface disposed to be frictionally cooperable with the rotatable member, and a plurality of parts disposed to engage an adjustable part and a respective element, each element and associated part being movable against spring means under the pull of the elongated member, each part being adapted upon relative movement with respect to the associated element to urge the surface on that element further towards the rotatable member to increase the pressure therebetween, and means operative when the opposition has reached the predetermined level and the spring means has a predetermined stress, to prevent any further relative movement between a part and the associated element from increasing said pressure, whereupon said relative movement in said one direction can occur.
Claim 7
Dependent Claim
100 words
Apparatus as claimed in claim 5, in which the element associated with said one part is a curved wedge which has a surface cooperable with a curved surface on the rotatable member, the smaller end of the curved wedge facing in the direction in which the rotatable member rotates when the elongated member is withdrawn, said one part engaging the curved wedge and comprising a curved surface engaging a fixed part, the means preventing relative movement from producing increased pressure comprising an appropriately shaped recess in the fixed part into which the curved surface on said one part can move.
Claim 8
Dependent Claim
12 words
Apparatus as claimed in claim 5, in which the parts are rollers.
References Cited (Backward Citations)
US518967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |