WO2010135341A2 - Internal guide tracks for elliptical bike and method of use - Google Patents
Internal guide tracks for elliptical bike and method of use Download PDFInfo
- Publication number
- WO2010135341A2 WO2010135341A2 PCT/US2010/035281 US2010035281W WO2010135341A2 WO 2010135341 A2 WO2010135341 A2 WO 2010135341A2 US 2010035281 W US2010035281 W US 2010035281W WO 2010135341 A2 WO2010135341 A2 WO 2010135341A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- track system
- guide track
- internal guide
- foot link
- foot
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
- B62M1/26—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by rotary cranks combined with reciprocating levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K3/00—Bicycles
- B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/02—Construction of cranks operated by hand or foot of adjustable length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K2015/003—Collapsible or foldable cycles having a foldable crank or pedal
Definitions
- the present invention relates generally to elliptical bikes, and particularly to guide tracks and features for elliptical bikes.
- U.S. Published Application 2008/0116655 which is incorporated by reference herein, discloses a self-propelled vehicle propelled by an elliptical drive train (hereinafter referred to as "elliptical bicycle").
- elliptical bicycle a self-propelled vehicle propelled by an elliptical drive train
- a user's feet are placed in foot platforms and the user strides forward and rearward, which though a variety of mechanical mechanisms, causes a rear wheel to rotate to propel the elliptical bicycle.
- the foot platforms at a front end, are connected via foot links to respective load wheels that reciprocate along guide tracks of the bicycle frame.
- the load wheels must be secured to the guide tracks while also allowing relative reciprocating movement between the load wheels and the guide tracks/frame.
- An aspect of the invention involves an internal guide track system that ensures that the load wheels reciprocate efficiently along the guide tracks/frame while maintaining contact with the guide tracks/frame as part of a drive system that allows for a long stride length (>20 inches).
- An advantage of the internal guide track system is that it minimizes the likelihood that the forward end of the foot link will disengage with the frame and allows for a long stride length without the need for additional retention mechanisms.
- the internal guide track system is comprised of one or more lower guide tracks and/or upper guide features contained inside of a tube or other hollow member which form the interface between the foot links and the frame of an elliptical bicycle.
- These upper guide features and lower guide tracks can be fixed elements of the internal guide track system/frame or they can be comprised of removable pieces that can be easily replaced throughout the life of the elliptical bicycle.
- the upper guide features help to achieve a proper gap spacing between the drive wheels and the top of the internal guide track system over the lifetime of the elliptical bicycle. If there is too much space (i.e., too much gap spacing) between the drive wheels and the top of the internal guide track system, the drive wheels can "jump" the guidance features in the lower tracks and get stuck at an angle or rub against the sides of the guide track tubes. If the spacing is too tight, there will be too much contact/friction between the tops of the drive wheels and the top of the internal guide track system. Getting this gap spacing correct is complicated by the fact that the drive wheels wear down over the lifetime of the elliptical bicycle and, thus, the gap between the drive wheels and the top of the internal guide track system will continue to increase over time.
- the upper guide features also include a low coefficient of friction contact surface to minimize friction when contacting the drive wheels.
- the lower guide tracks and upper guide features serve to direct the forward ends of the foot links along a reciprocal path of travel.
- Some of the aspects of the lower guide tracks and upper guide features are: 1) they provide a guidance system for the foot link interface that enables an inexpensive, low friction, and simple interface to function effectively; 2) they provide an elegant method of ensuring that the foot links remain coupled to the frame during operation; 3) they can be made of or include a hard material such as steel or stainless steel or aluminum treated with a hard coating such as hard anodization or electroless nickel to improve resistance to wear; and 4) they can be modular and, therefore, can be easily replaced when worn.
- a hard material such as steel or stainless steel or aluminum treated with a hard coating such as hard anodization or electroless nickel to improve resistance to wear
- 4) they can be modular and, therefore, can be easily replaced when worn.
- the guide tracks and/or guide features can be made of or include a hard material or aluminum coated with a hard finish to improve the life of the guide tracks and minimize the aluminization of the mechanism coupling the foot links to the guide tracks that can occur during operation over bare aluminum.
- the guide tracks could also be made of a softer material such as plastic. This would insure that the majority of the wear in the sliding interface would occur to the lower guide tracks and not the foot link coupling mechanism.
- the plastic guide tracks would protect the structural frame from wear and could be cheaply and easily replaced throughout the life of the product.
- the lower guide tracks and/or upper guide features can be easily extracted from the elliptical bicycle and easily replaced with new guide tracks and/or guide features. Over time, friction caused by the interface of the guide tracks and or guide features and the foot link coupler will cause both the coupler and the guide tracks and/or guide features to wear.
- the modular system allows for the easy replacement of the guide tracks and/or guide features when they become worn or damaged.
- the modularity also enables the use of a hard or hard-coated material to be limited to the guide tracks and/or guide features only. If the guide tracks and/or guide features were not removable, then a larger structure would have to be made of the hard or hard-coated material adding cost and weight.
- the modularity could also enable the guide tracks and/or guide features to be made of a softer material such as a plastic. These softer guide tracks and/or guide features would insure that the majority of the wear would take place on the track side of the sliding interface and would preserve the life of the foot link couplers if they are made from a harder material.
- the plastic guide tracks and/or guide features would protect the structural frame from wear and could be cheaply and easily replaced throughout the life of the product.
- the internal guide track system eliminates the need for an additional coupling mechanism to keep the foot links securely attached to the frame; allows for a sufficiently long stride length; maximizes the likelihood that the foot links will remain coupled to the frame and not disengage during operation; and modularity enables the easy replacement of worn guide tracks and/or guide features and allows for hard materials or coatings to be limited to the guide tracks and/or guide features exclusively, which are small surfaces, thereby minimizing cost and weight.
- FIG. 13 Another aspect of the invention involves an apparatus including a frame with a pivot axis defined thereupon; a drive wheel coupled to the frame; a first and a second foot link operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot, a front end, and a rear end; and a pair of internal guide track systems coupled to the frame, each internal guide track system being operative to engage the front end of its respective foot link and to direct said front end along a reciprocating path of travel while providing retention to each foot link.
- a further aspect of the invention involves an apparatus including a frame having a drive wheel rotatably supported thereupon, and a first pivot axis defined thereupon; a first and a second foot link, each having a front end, a rear end, and a foot receiving portion defined thereupon; a coupler assembly which is in mechanical communication with said pivot axis and with a rear end of each of said first and second foot links, said coupler assembly being operative to direct said rear ends of said foot links in an arcuate path of travel; a pair of internal guide track systems coupled to the frame, each internal guide track system being operative to engage the front end of each foot link and to direct said front end along a reciprocating path of travel while providing retention to each foot link; and a power transfer linkage in mechanical communication with said coupler assembly and with said drive wheel; whereby when the rear end of one of said foot links travels in said arcuate path and the front end of that foot link travels in said reciprocal path, an operator's foot supported thereupon travels in
- the internal guide track system contains at least one structure configured to influence the reciprocating path of each foot link; the structure is removable from said internal guide track system; the internal guide track system includes one or more lower guide tracks; the one or more lower guide tracks are removable with respect to the internal guide track system; the front end of each foot link includes one or more load wheels, and the one or more lower guide tracks support the one or more load wheels for reciprocating path movement thereon and laterally influence the reciprocating path of the one or more load wheels; the one or more lower guide tracks are slidably removable with respect to the internal guide track system; the internal guide track system includes one or more upper guide features; the one or more respective upper guide features are removable with respect to the internal guide track system; the front end of each foot link includes one or more load wheels, and the one or more upper guide features are positioned to vertically influence the reciprocating path of the one or more load wheels there under; the one or more upper guide features are slidably removable with respect to the internal
- Figure 1 is a front-elevational view of an embodiment of an elliptical bicycle including an internal guide track system constructed in accordance with an embodiment of the invention
- Figure 2 is an enlarged cross-sectional of the internal guide track system taken along A-A of Figure 1.
- Figure 3 is a front-elevational view of another embodiment of an elliptical bicycle including an internal guide track system constructed in accordance with an alternative embodiment of the invention;
- Figure 4 is an enlarged cross-sectional of the alternate embodiment of the internal guide track system taken along A-A of Figure 3.
- the elliptical bicycle 110 includes a foot link assembly 112 movably mounted on a frame, or frame structure 114, on which a pair of wheels (front wheel 115, rear wheel 117) are mounted.
- each foot link assembly 112 is movably mounted to the frame 114 at its forward end where it is slidably coupled to a foot link guide track 290 (of the internal guide track system 100) and at its rearward end where it is rotatably coupled to a crank assembly 215.
- each foot link assembly 112 includes a foot link 205, each with a foot platform 210, and a foot link coupler 212 that contacts the foot link guide track 290.
- the foot link coupler 212 is comprised of two load wheels; however, in other embodiments, the foot link coupler can be comprised of any number of slidable devices, including a single wheel, a linear bearing, three or more wheels, etc.
- the foot platforms 210 on which the operator stands are mounted on an upper surface of each foot link 205 near a forward end of each foot link 205. In the embodiment depicted in FIG.
- the internal guide track system 100 includes two foot link guide tracks 290 running parallel to each other on either side of the longitudinal axis of the elliptical bicycle 110 and are connected to or integral with the frame 114.
- the two load wheels that comprise each foot link coupler 212 are mounted to a fixed axle 320 coupled to each foot link 205 to allow nearly frictionless linear motion of the foot links 205 along the foot link guide tracks 290.
- crank arms 235 At the rear of the elliptical bicycle 110, adjacent the rear wheel 117, are crank arms 235, a drive sprocket 240, a crank arm bearing 245, a chain 130, a rear wheel sprocket 135, and a rear wheel hub 145.
- the crank arms 235 are mated to the crank arm bearing 245, which is coupled to the frame 114 of the elliptical bicycle 110, to turn the drive sprocket 240.
- the chain 130 may be replaced by a belt, rotating shaft or other drive means, or the chain 130, drive sprocket 240 and rear wheel sprocket 135 may be eliminated altogether by coupling the crank arms 235 directly to the rear wheel hub 145.
- rotating the rear wheel sprocket 135 causes the rear wheel 117 to rotate because the rear wheel sprocket 135 is attached to the rear wheel hub 145.
- Rotating the rear wheel 117 provides motive force that enables the elliptical bicycle 110 to move along a surface.
- the elliptical bicycle 110 can employ a "fixed" or “free” rear wheel, as is known in the art.
- the elliptical bicycle 110 can also employ a planetary gear hub or derailleur system having different gear ratios.
- Pedaling the elliptical bicycle 110 as described above results in the operator's foot traveling in a shape that can be described as generally elliptical.
- Propulsion using an elliptical pedaling motion as opposed to an up-and-down pedaling motion or a circular pedaling motion, has the advantage of substantially emulating a natural human running or walking motion.
- an elliptical pedaling motion is a simpler and a more efficient means to rotate the rear wheel 117 than is, for example, a vertical pumping motion.
- the major axis of the ellipse in an elliptical pedaling motion can be much longer than the stroke length of a circular or vertical pumping pedaling motion, allowing the operator to employ a larger number of muscle groups over a longer range of motion during the pedal stroke than he or she could employ in a circular or up and down pedaling motion.
- the internal guide track system 100 includes one or more lower guide tracks 360 and/or one or more upper guide features 390 contained inside of elongated hollow, generally tubular frame 300 which form the interface between the foot link coupler 212 and the frame 114 of the elliptical bicycle 110.
- the internal guide track system 100 ensures that the foot link coupler 212 reciprocates efficiently along the lower guide tracks 360 while the foot links 205 stay coupled to the elliptical bicycle 110 as part of a drive system that allows for a long stride length (>20 inches).
- the internal guide track system 100 can include an elongated hollow, generally tubular frame 300 with an elongated narrow slot 310 along a top of the frame 300 that the foot link 205 reciprocates within.
- the foot link 205 is connected to the load wheels 212 by an axle 320. Snap rings 340 or other fasteners are used to secure the load wheels 212 to the axle 320.
- a bottom, interior portion of the frame 300 includes track-receiving recesses 350 that receive respective removable lower guide tracks 360 that the load wheels 212 roll upon.
- the removable lower guide tracks 360 can be comprised of one or more of the following materials: hard anodized aluminum, electro less nickel coated aluminum, hardened steel/stainless steel, plastic.
- the removable lower guide tracks 360 can include an elongated curb 362 along an outer edge of the removable lower guide track 360 to ensure the load wheels 212 at the end of the foot links 205 travel in a nearly straight line and are prevented from contacting the inner side walls 364 of the frame 300.
- the frame 300 can include an elongated debris gutter 370 extending the length of the frame 300 along a bottom center of the frame 300. Debris can collect in and drain from the internal guide track system 100 via the gutter 370.
- the removable upper guide features 390 can include an elongated tubular member 400 and a downwardly extending gap limiter 410. Because the elliptical bicycle 110 is ridden outdoors, occasionally there will be a force applied to the elliptical bicycle 110 such that the rider and foot links 205 are propelled upwards. In such circumstances, the foot link coupler 212 riding on the lower guide tracks 360 can contact the lower engagement surfaces of the downwardly extending gap limiters 410 of the upper guide features390.
- the vertical length of the downwardly extending gap limiter 410 determines the gap spacing or vertical distance H between a top of the load wheel 212 and a bottom of the downwardly extending gap limiter 410 for limiting the amount of vertical "jump" of the load wheels 212 within the internal guide track system 100.
- the removable nature of the removable upper guide features 390 enables upper guide features 390 of different dimensions (e.g., different sized/configured downwardly extending gap limiter 410) to be used, thereby modifying the gap H between the load wheels 212 and the upper guide features 390.
- the vertical thickness of downwardly extending gap limiter 410 is sized to achieve a proper gap spacing between a bottom thereof and the load wheels 212 as well as to minimize the friction between the load wheels 212 and the downwardly extending gap limiter 410 that results when the load wheels 212 come in contact with the downwardly extending gap limiter 410. If the gap spacing H is too much, the load wheels can "jump" the guidance features (e.g., curbs 362) in the lower guide tracks 360 and get stuck at an angle or rub against the sides of the guide track tube frames 300. If the gap spacing H is too tight, there will be too much contact between the tops of the load wheels 212 and the downwardly extending gap limiter 410. Getting this gap spacing H correct is complicated by the fact that the load wheels 212 wear down over the lifetime of the elliptical bicycle 110 and, thus, the gap H between the load wheels 212 and the downwardly extending gap limiter 410 will continue to increase over time.
- the guidance features e.g., curbs 362
- the frame 300 of the internal guide tracks 290 includes other numbers (e.g., 1, 3, 4, 5. etc) of lower guide tracks 360 and/or upper guide features 390, does not include upper guide features 390, and/or does not include lower guide tracks 360.
- guidance and retention methods can be accomplished via the structure of the generally tubular frame 300 without the addition of upper guide features 390 and lower guide tracks 360.
- the load wheels 212 would directly contact guide tracks that are integral with and a part of the frame 300.
- the load wheels 212 may ride within guide tracks similar to the track recesses 350.
- features such as elongated curbs 362 may be part of the track recesses 350 and frame 300.
- the majority of wear would take place on the track recesses of the frame 300 so the load wheels 212 may be made of a softer material to reduce wear on the frame 300.
- FIG. 3 and 4 An alternative embodiment is depicted in Figures 3 and 4, whereby the internal guide track system includes removal lower guide tracks and fixed upper guide features.
- the gap spacing between the load wheels and the upper guide features is set at the distance between the lower guide tracks and the bottom of the fixed upper guide features.
- the lower guide tracks are removable and easily replaceable when worn, however, the upper guide features are an element of the frame of the internal guide track system and cannot be easily replaced.
- the internal guide track system 100 provides a guidance system for the foot link coupler 212 that enables an inexpensive, low friction, and simple interface to function effectively; 2) it provides an elegant method of ensuring that the foot links 205 remain coupled to the frame 300 during operation; 3) it can include removable upper guide features and390 /or lower guide tracks 360made of a hard material or aluminum coated with a hard finish to improve resistance to wear, without changing the material properties of the frame 300; and 4) it can be modular and, therefore, worn elements can be easily replaced.
- the upper guide features and lower guide tracks 360, 390 are designed so that they have features (e.g., outer elongated curbs 362, downwardly extending gap limiter 410) that ensure the foot link coupler 212 at the end of the foot links 205 travels in a nearly straight line and does not contact the walls 364 of the frame 300.
- the upper guide features 390 and lower guide tracks 360 can be made of or include a hard material or aluminum coated with a hard finish to increase their life and minimize the aluminization of the load wheels 212 that can occur during operation over machined aluminum that has not been anodized.
- the upper guide features 390 and lower guide tracks 360 can be easily removed from the elliptical bicycle 110 and replaced with new guide tracks and/or guide features. Over time, friction caused by the interface of the load wheels 212 and the upper guide features 390 and/or lower guide tracks 360 will cause both the load wheels 212 and the guide tracks/guide features 360, 390 to become worn.
- the modular system allows for the easy replacement of the upper guide features 390 and lower guide tracks 360 when they become worn or damaged.
- the internal guide track system 100 may include end(s) accessible by a door/cap/cover for removably replacing the upper guide features 390 and lower guide tracks 360.
- the modularity also enables the use of a hard or specialty hard coated material to be limited to the engaged surface of the upper guide features 390 and/or lower guide tracks 360 only. If the upper guide features 390 and/or lower guide tracks 360 were not removable, then a larger structure would have to be made of a hard or specialty hard coated material, adding cost and weight.
- the modularity enables the upper guide features 390 and/or lower guide tracks 360 to be made of a softer material such as a plastic.
- a softer material such as a plastic.
- These softer guide tracks/features 360, 390 would insure that the majority of the wear would take place on the track side of the rolling interface and preserve the life of the load wheels 212 if they were made from a harder material.
- the plastic guide tracks/features 360, 390 would protect the structural frame from wear and could be cheaply and easily replaced throughout the life of the product.
- the entire internal guide track system 100 may be easily extracted from the frame 114 of the elliptical bicycle 110 and easily replaced with a new internal guide track system 100.
- one or more of the entire internal guide track system 100 and components allow for modularity and interchangeability.
- the internal guide track system 100 eliminates the need for an additional coupling mechanism to keep the foot links 205 coupled to the frame 300; allows for a sufficiently long stride length; maximizes the likelihood that the foot links 205 will remain coupled to the frame and not disengage during operation; hard anodization reduces the rate of wear on the upper guide features 390 and/or lower guide tracks 360 and "aluminization" of the load wheels 212 during operation; and modularity enables the easy replacement of one or more of the entire internal guide track system 100 and worn upper guide features 390 and/or lower guide tracks 360 and allows for the use of a hard or specially hard coated material to be limited to the engagement surface of the upper guide features 390 and/or lower guide tracks 360 exclusively, which are small surfaces, thereby minimizing cost and weight.
- the plastic upper guide features 390 and/or lower guide tracks 360 protect the structural frame 300 from wear and are cheaply and easily replaced throughout the life of the product.
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10778264.1A EP2432679B1 (en) | 2009-05-19 | 2010-05-18 | Internal guide tracks for elliptical bike and method of use |
CA2762098A CA2762098C (en) | 2009-05-19 | 2010-05-18 | Internal guide tracks for elliptical bike and method of use |
AU2010249655A AU2010249655C1 (en) | 2009-05-19 | 2010-05-18 | Internal guide tracks for elliptical bike and method of use |
CN201080022382.8A CN102438883B (en) | 2009-05-19 | 2010-05-18 | Internal guide tracks for elliptical bike and method of use |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US17964709P | 2009-05-19 | 2009-05-19 | |
US17964409P | 2009-05-19 | 2009-05-19 | |
US61/179,644 | 2009-05-19 | ||
US61/179,647 | 2009-05-19 |
Publications (2)
Publication Number | Publication Date |
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WO2010135341A2 true WO2010135341A2 (en) | 2010-11-25 |
WO2010135341A3 WO2010135341A3 (en) | 2011-02-17 |
Family
ID=43124075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2010/035281 WO2010135341A2 (en) | 2009-05-19 | 2010-05-18 | Internal guide tracks for elliptical bike and method of use |
Country Status (6)
Country | Link |
---|---|
US (1) | US8061728B2 (en) |
EP (1) | EP2432679B1 (en) |
CN (1) | CN102438883B (en) |
AU (1) | AU2010249655C1 (en) |
CA (1) | CA2762098C (en) |
WO (1) | WO2010135341A2 (en) |
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WO2015051426A1 (en) | 2013-10-07 | 2015-04-16 | Aruanã Energia S/A | Improvements made to elliptical drive mechanisms and steering mechanisms applied to velocipedes in general |
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US20110049830A1 (en) * | 2009-09-03 | 2011-03-03 | Ta Chun Hung | Cycle propelling mechanism |
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US8220814B1 (en) * | 2011-06-20 | 2012-07-17 | Michael F Riviglia | Bicycle propelled by stepping motion |
WO2015110864A1 (en) * | 2014-01-21 | 2015-07-30 | Di Battista Emilio | Velocipede with the rider in the upright posture |
WO2016176123A1 (en) | 2015-04-27 | 2016-11-03 | Prosntitz Solutions Llc | Cycle-type exercise equipment conversion apparatus and methods of converting therof |
US11786781B2 (en) | 2015-04-27 | 2023-10-17 | Prosnitz Solutions Llc | Combination stationary exercise equipment |
WO2017151874A1 (en) | 2016-03-03 | 2017-09-08 | Ascher Steven | Drive assembly for a human-powered machine |
CL2016002122A1 (en) * | 2016-08-23 | 2016-09-30 | Campos Carlos Rodrigo Ruz | Urban elliptical bike safe, comfortable and easy maneuverability, for people of all ages |
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- 2010-05-18 CA CA2762098A patent/CA2762098C/en not_active Expired - Fee Related
- 2010-05-18 AU AU2010249655A patent/AU2010249655C1/en not_active Ceased
- 2010-05-18 US US12/782,053 patent/US8061728B2/en not_active Expired - Fee Related
- 2010-05-18 WO PCT/US2010/035281 patent/WO2010135341A2/en active Application Filing
- 2010-05-18 CN CN201080022382.8A patent/CN102438883B/en not_active Expired - Fee Related
- 2010-05-18 EP EP10778264.1A patent/EP2432679B1/en not_active Not-in-force
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WO2015051426A1 (en) | 2013-10-07 | 2015-04-16 | Aruanã Energia S/A | Improvements made to elliptical drive mechanisms and steering mechanisms applied to velocipedes in general |
Also Published As
Publication number | Publication date |
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CN102438883A (en) | 2012-05-02 |
WO2010135341A3 (en) | 2011-02-17 |
AU2010249655A1 (en) | 2011-12-08 |
US20100295263A1 (en) | 2010-11-25 |
CA2762098A1 (en) | 2010-11-25 |
EP2432679A2 (en) | 2012-03-28 |
AU2010249655B2 (en) | 2015-03-19 |
CN102438883B (en) | 2014-10-15 |
EP2432679B1 (en) | 2017-03-29 |
AU2010249655C1 (en) | 2015-10-15 |
CA2762098C (en) | 2017-08-15 |
EP2432679A4 (en) | 2014-07-30 |
US8061728B2 (en) | 2011-11-22 |
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