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US 11,077,338 B1Granted
Knee extension training device
OwnerEduard Levin, Gleb Gluhovsky +1inventors
InventorsEduard Levin, Gleb Gluhovsky, Jeffrey Lee Sawyer
Life of this patent
Estimating the term…
Abstract
A knee extension training device is provided with knee abutment rolls, heel abutment rolls and feet anchor rolls to facilitate a user from standing on the device in an upright manner with the knees, the heels, and the feet abutting the respective abutment rolls such that knee extension stretching and flexion exercise can be carried out by utilizing the user's own body weight.
Claims14
A knee extension training device comprising:
- a base supporting frame,
- a first vertical mounting rod located at a front portion of said base supporting frame,
- a second vertical mounting rod located at a rear portion of said base supporting frame and spaced from said first vertical mounting rod,
- a plurality of first mounting openings formed on said first vertical mounting rod,
- a plurality of second mounting openings also formed on said second vertical mounting rod,
- a first annular mounting collar having a central opening and two diametrically opposite through openings, said first annular mounting collar being slidably mountable on said first vertical mounting rod with said central opening therein engaging with said first vertical mounting rod,
- two knee abutment rolls mounted at diametrically opposite sides of said first annular mounting collar,
- a first securing plunger provided at said first annular mounting collar for latching said first annular mounting collar at a selected position on said first vertical mounting rod,
- a second annular mounting collar having a central opening and two diametrically opposite through openings, said second annular mounting collar being slidably mountable on said second vertical mounting rod,
- two heel abutment rolls mounted at diametrically opposite sides of said second annular mounting collar, and
- a second securing plunger provided at said second annular mounting collar for latching said second annular mounting collar at a selected position on said second vertical mounting rod.
8 more elements
A knee extension training device comprising:
- a base supporting frame,
- a vertical mounting rod located at a front portion of said base supporting frame,
- a plurality of first mounting openings formed along a straight line on a front surface of an upper portion of said vertical mounting rod,
- a first mounting collar slidably mounted on said vertical mounting rod,
- two knee abutment rolls mounted on said first mounting collar and extending outward in diametrically opposite sides of said first mounting collar,
- a first securing plunger mounted on said first mounting collar, said first securing plunger having an inner end portion extending transversely through said first mounting collar to engage with a selected one opening of said first mounting openings,
- a rear mounting bracket located in an upright manner at a rear portion of said base supporting frame, said rear mounting bracket having a vertical arm,
- a plurality of second mounting openings formed along a straight line on a front surface of said vertical arm,
- a second mounting collar slidably mounted on said vertical arm of said rear mounting bracket,
- a second securing plunger mounted on said second mounting collar, said second securing plunger having an inner end portion extending transversely through said second mounting collar to engage with a selected one opening of said plurality of said second mounting openings,
- two heel abutment rolls mounted on said second mounting collar and extending outward in diametrically opposite sides of said second mounting collar,
- a third mounting collar slidably mounted on said vertical mounting rod and located at a lower portion of said vertical mounting rod,
- two feet abutment rolls mounted on said third mounting collar and extending outward in diametrically opposite sides of said third mounting collar,
- a third securing plunger mounted on said third mounting collar and operative for latching said third mounting collar at a selected position on said vertical mounting rod.
11 more elements
Dependencies are inferred from the claim text.