Patent US4005600A successfully refreshed from Google Patents.
US4005600A
Expired / Lapsed
US
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Apparatus for measuring the release force of safety ski bindings
Assignee: ELOF MALMBERG AB
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Filing: 1975-04-25
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Granted: 1977-02-01
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Expires: 1995-04-25
Abstract
Abstract A test apparatus for measuring the force which is required for releasing a ski binding of the safety type comprises a forked lever provided with at least one projection which defines a pivot axis for the lever. The lever comprises two articulated shanks, the free ends of which have measuring projections for measuring the transverse dimension of the shin-bone head.
Inventors
- 👤 Sivert Hoog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:56
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/03; A; A63; A63C; A63C11/00; A63C11/26; A63C11/265
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
310 words
Apparatus for measuring the force required to release the heel and toe pieces of a safety ski binding releasably holding a ski boot on a ski, said apparatus comprising: a force measuring tool; a lever comprising two pivotally interconnected shanks extending from a common pivot point on said lever and having spaced apart free ends, said lever further including means connectable to said force measuring tool, and a depending projection on said lever located closer to said free shank ends than to said last-mentioned means for permitting pivotal movement of said lever about said projection in a vertical plane; lifting means connectable to said free ends of said shank to extend therebetween beneath the heel portion of the ski boot for applying an upward force on the boot heel when a downward force is applied through said force measuring tool to said means connectable to said force measuring tool, whereby to measure the upward force required to release the boot heel from the heel piece of the binding; a second lever pivotally mounted on one of the shanks of said first-mentioned lever for movement between a first position in alignment with said one shank and a second position extending outward from said one shank, means for connecting said second lever to the ski when in its second position to permit pivotal movement of said first-mentioned lever about the pivot between said first-mentioned and second levers, said last-mentioned pivot being located closer to said means connectable to said force measuring tool than to said free shank ends, whereby when said force measuring means is disposed between said connectable means and the toe of said boot and a force is applied to said one shank end in a direction away from said ski, said force measuring tool will apply a measurable force to the toe of said boot in the opposite direction.
Claim 2
Dependent Claim
310 words
Apparatus for measuring the force required to release the heel and toe pieces of a safety ski binding releasably holding a ski boot on a ski, said apparatus comprising: a force measuring tool; a lever comprising two pivotally interconnected shanks extending from a common pivot point on said lever and having spaced apart free ends, said lever further including means connectable to said force measuring tool, and a depending projection on said lever located closer to said free shank ends than to said last-mentioned means for permitting pivotal movement of said lever about said projection in a vertical plane; lifting means connectable to said free ends of said shank to extend therebetween beneath the heel portion of the ski boot for applying an upward force on the boot heel when a downward force is applied through said force measuring tool to said means connectable to said force measuring tool, whereby to measure the upward force required to release the boot heel from the heel piece of the binding; a second lever pivotally mounted on one of the shanks of said first-mentioned lever for movement between a first position in alignment with said one shank and a second position extending outward from said one shank, means for connecting said second lever to the ski when in its second position to permit pivotal movement of said first-mentioned lever about the pivot between said first-mentioned and second levers, said last-mentioned pivot being located closer to said means connectable to said force measuring tool than to said free shank ends, whereby when said force measuring means is disposed between said connectable means and the toe of said boot and a force is applied to said one shank end in a direction away from said ski, said force measuring tool will apply a measurable force to the toe of said boot in the opposite direction.
Claim 3
Dependent Claim
26 words
Measuring apparatus according to claim 1, in which the axis of said last-mentioned pivot is substantially perpendicular to the pivotal axis defined by said depending projection.
Claim 4
Dependent Claim
24 words
Measuring apparatus according to claim 1, in which said lifting means is permanently attached to one shank and releasably fastened to the other shank.
Claim 5
Dependent Claim
78 words
Measuring apparatus according to claim 1, wherein the free ends of the shanks comprise a pair of opposing projections for engaging the opposite sides of a part of the human body to define the transverse dimension thereof, and further comprising indicia means cooperatively associated with said shanks for correlating said dimension with the maximum force necessary for releasing said fastening means of a ski binding of the safety type from a ski boot fastened in said ski binding.
Claim 6
Dependent Claim
63 words
Measuring apparatus according to claim 4, wherein said indicia means is a scale having numerical values of said dimension of the human body and for each such value the corresponding maximum force, said scale being secured to one of said shanks, and index means provided on the other shank for cooperation with the representations on the scale of the dimension of the body.
Claim 7
Dependent Claim
76 words
Measuring apparatus according to claim 1, further comprising a second dependent projection, each of said projections being secured to and projecting from a different one of said shanks and being adapted to be applied against the upper surface of a ski, said projections defining the pivot axis on which said first-mentioned lever is pivotable when releasing the heel portion of a ski boot by lifting said heel portion out of said heel piece of the binding.
Claim 8
Dependent Claim
51 words
Measuring apparatus according to claim 6, wherein the faces of said projections facing away from their respective shanks constitute portions of a single cylindrical circumferential surface, the axis of which is substantially perpendicular to the longitudinal direction of said first-mentioned lever and extends substantially in the same plane as said shanks.
Claim 9
Dependent Claim
239 words
Apparatus for measuring the force required to release the heel and toe pieces of a safety ski binding releasably holding a ski boot on a ski, said apparatus comprising: a force measuring tool; a lever comprising two pivotally interconnected shanks extending from a common pivot point on said lever and having spaced apart free ends, said lever further including means connectable to said force measuring tool, and a depending projection on said lever located closer to said free shank ends than to said last-mentioned means for permitting pivotal movement of said lever about said projection in a vertical plane; lifting means connectable to said free ends of said shank to extend therebetween beneath the heel portion of the ski boot for applying an upward force on the boot heel when a downward force is applied through said force measuring tool to said means connectable to said force measuring tool, whereby to measure the upward force required to release the boot heel from the heel piece of the binding; the free ends of said shanks comprising a pair of opposing projections for engaging the opposite sides of a part of the human body to define the transverse dimension thereof, and further comprising indicia means cooperatively associated with said shanks for correlating said dimension with the maximum force necessary for releasing said fastening means of a ski binding of the safety type from a ski boot fastened in said ski binding.
Claim 10
Dependent Claim
239 words
Apparatus for measuring the force required to release the heel and toe pieces of a safety ski binding releasably holding a ski boot on a ski, said apparatus comprising: a force measuring tool; a lever comprising two pivotally interconnected shanks extending from a common pivot point on said lever and having spaced apart free ends, said lever further including means connectable to said force measuring tool, and a depending projection on said lever located closer to said free shank ends than to said last-mentioned means for permitting pivotal movement of said lever about said projection in a vertical plane; lifting means connectable to said free ends of said shank to extend therebetween beneath the heel portion of the ski boot for applying an upward force on the boot heel when a downward force is applied through said force measuring tool to said means connectable to said force measuring tool, whereby to measure the upward force required to release the boot heel from the heel piece of the binding; the free ends of said shanks comprising a pair of opposing projections for engaging the opposite sides of a part of the human body to define the transverse dimension thereof, and further comprising indicia means cooperatively associated with said shanks for correlating said dimension with the maximum force necessary for releasing said fastening means of a ski binding of the safety type from a ski boot fastened in said ski binding.
Claim 11
Dependent Claim
24 words
Measuring apparatus according to claim 8, in which said lifting means is permanently attached to one shank and releasably fastened to the other shank.
Claim 12
Dependent Claim
63 words
Measuring apparatus according to claim 8, wherein said indicia means is a scale having numerical values of said dimension of the human body and for each such value the corresponding maximum force, said scale being secured to one of said shanks, and index means provided on the other shank for cooperation with the representations on the scale of the dimension of the body.
Claim 13
Dependent Claim
77 words
Measuring apparatus according to claim 8, further comprising a second depending projection, each of said depending projections being secured to and projecting from a different one of said shanks and being adapted to be applied against the upper surface of a ski, said depending projections defining the pivot axis on which said lever is pivotable when releasing the heel portion of a ski boot by lifting said heel portion out of said heel piece of the binders.
References Cited (Backward Citations)
US3309919A
Cited
US3739631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-01 | 1980-08-02 | 1981-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-01 | 1984-08-02 | 1985-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-01 | 1988-08-02 | 1989-02-01 | $7700.00 | Window Closed / Lapsed |