US20160052577A1 - Automatically deployed bicycle support - Google Patents
Automatically deployed bicycle support Download PDFInfo
- Publication number
- US20160052577A1 US20160052577A1 US14/464,617 US201414464617A US2016052577A1 US 20160052577 A1 US20160052577 A1 US 20160052577A1 US 201414464617 A US201414464617 A US 201414464617A US 2016052577 A1 US2016052577 A1 US 2016052577A1
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- Prior art keywords
- centrifugal
- shaft
- lock
- wheel
- bicycle
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- 239000000725 suspension Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/06—Extensible stands, e.g. with telescopic parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/10—Supports or stands forming part of or attached to cycles involving means providing for a stabilised ride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/10—Supports or stands forming part of or attached to cycles involving means providing for a stabilised ride
- B62H1/12—Supports or stands forming part of or attached to cycles involving means providing for a stabilised ride using additional wheels
Definitions
- Two wheel vehicles such as bicycles can be equipped with a support stand to keep the vehicle upright when not in motion.
- the rider needs to use his/her legs to keep the vehicle upright, for example when stopped at a traffic light, when about to stop, when going very slow, etc. Therefore, use of two wheeled vehicles may be limited to people with the ability to use their legs to support the vehicle at very slow to no-speed conditions.
- a shoe lace can get tangled on a peddle shaft or a foot can get stuck in a toe clip, causing the rider along with the bicycle to fall to the ground.
- Physical limitations can also make it difficult or impossible to operate a kick stand.
- FIG. 1 is a side view of a bicycle including an exemplary bicycle support mechanism.
- FIG. 2 is side view of an exemplary bicycle support mechanism of FIG. 1 .
- FIG. 3 is a cross-sectional view of an exemplary bicycle support mechanism of FIG. 1 .
- FIG. 4A is a plan view of the bicycle support mechanism of FIG. 1 .
- FIG. 4B is a semi-transparent view of a section of the bicycle support mechanism of FIG. 1 showing the disposition of a nut.
- FIG. 4C is a semi-transparent view of a section of the bicycle support mechanism of FIG. 1 showing the cooperation of a nut and a support arm.
- FIG. 5 is a perspective, partial cutaway view of an actuator including a friction wheel.
- FIG. 6 is an exploded view of the actuator and friction wheel of FIG. 5 .
- FIG. 7A is a perspective view of a raising gear mechanism.
- FIG. 7B is a perspective view of the raising gear mechanism of FIG. 7A with a portion of an outer wheel cut away.
- FIG. 7C is a perspective view of the outer wheel with a front portion cutaway.
- FIG. 8A is a perspective view of an actuator with an actuator lock being in a first, inward position.
- FIG. 8B is a cutaway view of a lowering gear mechanism showing cooperation of a lock post and a capstan gear.
- FIG. 8C is a bottom plan view of an actuator showing cooperation of a lock post and a capstan gear.
- FIG. 9A is a perspective view of an actuator with an actuator lock in a second, outward position.
- FIG. 9B is a cutaway view of the actuator of FIG. 8A showing operation of outer lock teeth and outer wheel teeth.
- FIG. 9C is a bottom view of an actuator showing the cooperation of the outer lock teeth and the outer wheel teeth.
- FIG. 10 is a cutaway view of a section of the bicycle support mechanism of FIG. 1 showing a support arm and a flat spring.
- a support mechanism 100 including a shaft 110 that is connectable to a bicycle 10 frame 12 .
- a bicycle can be any suitable two wheel vehicle, e.g., a bicycle, an electrified bicycle, a moped, a scooter, a motorcycle, etc.
- the bicycle 10 includes a bicycle wheel 20 .
- the bicycle wheel 20 includes a tire 22 .
- the shaft 110 of the support mechanism 100 is in the form of a hollow tube and includes a top end 116 and a bottom end 118 .
- a support arm 120 is telescopically deployable downward from the bottom end 118 of the shaft 110 .
- a friction wheel 190 is rotatably supported by the shaft 110 .
- the friction wheel 190 extends from the top end 116 of the shaft 110 such that the friction wheel 190 is arranged to be in frictional contact with a part of the bicycle wheel 20 , e.g., the tire 22 .
- the support mechanism 100 is driven by the friction wheel 190 to deploy the support arm 120 when the bicycle 10 is moving slowly, below a low speed threshold, e.g., 3 mph at which the bicycle might begin to wobble.
- the support mechanism 100 raises the support arm 120 when the bicycle 10 is moving quickly, above a high speed threshold, e.g., 5 mph, at which the bicycle tends to remain stably upright.
- a high speed threshold e.g., 5 mph
- a bicycle 10 includes a frame 12 .
- the frame 12 has a frame extension 14 .
- the bicycle wheel 20 includes the tire 22 , and is rotatably supported on the frame 12 , e.g., in a conventional manner.
- a support mechanism 100 includes a shaft 110 .
- the shaft 110 is rotatably attached to the frame 12 .
- the shaft 110 has a top end 116 and a bottom end 118 .
- the shaft 110 is disposed at a first side 17 of the bicycle frame 12 such that the top end 116 of the shaft 110 is proximate to a top 24 of the bicycle wheel 20 , e.g., the top end 116 is generally a portion of the shaft 110 nearest to the bicycle wheel 20 top 24 relative to any other portions of the shaft 110 .
- a frame extension 14 may be used to support the shaft 110 on the frame 12 .
- the frame extension 14 extends from the frame 12 to a point at or below the shaft 110 top end 116 , and allows the shaft 110 to be secured to the frame 12 .
- the shaft 110 extends in a substantially vertical direction, with the top end 116 of the shaft located near the top 24 of the bicycle wheel 20 .
- a second frame extension 16 may alternatively or additionally be used to rotatably support the shaft 110 on the frame 12 .
- the second frame extension 16 may extend outward from the frame 12 near the axle (not shown) of the wheel 20 and rotably support the shaft 110 near the bottom end 118 .
- a support arm 120 is telescopically deployable and extends from the bottom end 118 of the shaft 110 .
- a friction wheel 190 is rotatably supported at the top end 116 of the shaft 110 by a rod 192 .
- the friction wheel 190 is disposed on the support mechanism 100 such that the friction wheel 190 is in frictional contact with a part of the bicycle wheel 20 , e.g., the tire 22 . In this manner, rotation of the bicycle wheel 20 can turn the friction wheel 190 .
- the support arm 120 is threadably engaged with the shaft 110 such that, when the shaft 110 rotates in a first direction, the support arm 120 is lowered, and when the shaft 110 rotates in a second direction, the support arm 120 is raised.
- the shaft 110 has an interior surface 112 .
- a nut 300 may be fixedly attached to the interior surface 112 of the shaft 110 proximate to the bottom end 118 .
- the support arm 120 may be provided with threads 122 on an exterior surface 123 .
- the nut 300 and the support arm 120 may be appropriately sized such that the threads 122 of the support arm 120 engage the nut 300 . Accordingly, the support arm 120 may threadably engage the nut 300 such that when the shaft 110 rotates the support arm 120 is raised into or lowered out of the shaft 110 .
- the support mechanism 100 may include a suspension spring 140 , the spring having a first end 142 and a second end 144 .
- the first end 142 is attached to the bottom end 118 of the support arm 120 .
- the support mechanism 100 may further include a wheel support structure 150 connected to the second end 144 of the suspension spring 140 .
- a support wheel 152 may be rotatably supported by the wheel support structure 150 .
- a connecting cap 130 may be used to connect the first end 142 of the suspension spring 140 to the bottom end 124 of the support arm 120 .
- other connectors for connecting the spring 142 the support arm 120 may be used instead of the cap 130 .
- the suspension spring 140 allows the support mechanism 100 to respond to irregularities in a road surface and to reduce or minimize effects of these irregularities while continuing to provide a support function to the bicycle 10 .
- the suspension spring 140 may be omitted from the support mechanism 100 .
- the wheel support structure 150 may be connected to the bottom end 124 of the support arm 120 and a support wheel 152 may be attached to the wheel support structure 150 .
- the support mechanism 100 includes an actuator 200 located at the top end 116 of the shaft 110 , and arranged to move the support arm 120 , the actuator 200 being driven by the friction wheel 190 .
- the actuator 200 is disposed within the top end 116 of the shaft 110 .
- the actuator 200 may be circular in shape.
- a first diameter of the shaft at the top end 116 may be greater than a second diameter of the remainder of the shaft 110 in order to accommodate the actuator 200 .
- a rod 192 is fixedly attached to the actuator 200 and extends upward from a center of the actuator 200 .
- the friction wheel 190 is fixedly attached to the rod 192 . In this manner, the friction wheel 190 drives the actuator 200 .
- the actuator 200 includes a centrifugal mechanism 220 rotatably supported within the shaft 110 , the centrifugal mechanism 220 being substantially circular in shape, the rod 192 extending from a center point of the centrifugal mechanism 220 and fixedly connecting the friction wheel 190 to the centrifugal mechanism 220 such that the friction wheel 190 drives rotation of the centrifugal mechanism 220 .
- the centrifugal mechanism 220 includes a centrifugal disc 222 being rotatably supported within the shaft 110 , the centrifugal disc 222 being substantially circular in shape, the rod 192 extending from a center point of the centrifugal disc 222 and fixedly connecting the friction wheel 190 to the centrifugal disc 222 .
- the centrifugal disc 222 has a centrifugal lock support surface 254 , and guiding portions 256 extending upward from the centrifugal lock support surface 254 , and radially outward from the center point.
- a centrifugal lock 226 is slidably disposed on the centrifugal lock support surface 254 between the guiding portions 256 , the centrifugal lock 226 including outer centrifugal lock teeth 227 and a lock post 228 .
- a bushing 223 rotatably connects to the rod 192 , and a bias spring 224 connects the centrifugal lock 226 to the bushing 223 .
- FIGS. 5 and 6 show the centrifugal mechanism 220 .
- the centrifugal disc 222 is shaped substantially as a cylinder with a recess 252 formed therein.
- the guiding portions 256 define sides of the recess 252 and extend radially outward approximately from the center point of the centrifugal disc 222 .
- the guiding portions 256 extend vertically downward from an upper surface 250 of the centrifugal disc 222 .
- the centrifugal lock support surface 254 defines the bottom of the recess 252 .
- the resulting recess 252 is substantially triangular in shape with an apex of the triangle located proximate the center point of the centrifugal disc 222 .
- the centrifugal lock 226 is slidably supported within the recess 252 on the centrifugal lock support surface 254 .
- the centrifugal lock 226 is also substantially triangular in shape, and fits within the recess 252 formed in the centrifugal disc 222 .
- the centrifugal lock 226 has an apex 260 .
- An outer edge 262 of the centrifugal lock 226 has outer lock teeth 227 .
- the centrifugal lock 226 includes a lock post 228 , the lock post extending downward from centrifugal lock 226 .
- the actuator 200 includes a lowering gear mechanism 241 and a raising gear mechanism 229 , the lowering gear mechanism 241 and raising gear mechanism 229 being selectively engaged and driven by the centrifugal mechanism 200 .
- the lowering gear mechanism 241 includes capstan gear 242 .
- the capstan gear 242 is fixably attached to the top end 116 of the shaft 110 .
- the raising gear mechanism 229 includes an outer wheel 230 .
- the outer wheel 230 is rotatably supported on the top end 116 of the shaft 110 .
- the outer wheel 230 is in the form of a hollow cylinder and has an interior surface 231 .
- outer wheel teeth 232 are disposed at a top portion of the interior surface 231 of the outer wheel 230 .
- sun gear outer teeth 236 are disposed on a bottom portion of the interior surface 231 of the outer wheel 230 .
- the raising gear mechanism 229 further includes sun gear inner teeth 240 .
- the sun gear inner teeth 240 are formed at the top end 116 of the shaft 110 .
- the raising gear mechanism 229 includes a plurality of intermediate sun gears 234 .
- the intermediate sun gears 234 are disposed between the sun gear outer teeth 236 and the sun gear inner teeth 240 .
- the centrifugal lock 222 When the centrifugal disc 222 is rotating at or below a first predetermined rotational speed, the centrifugal lock 222 is held in a first, radially inward position on the centrifugal disc 222 , and engages the lowering gear mechanism 241 . When the centrifugal disc 222 is rotating at a speed above a second predetermined rotational speed, the centrifugal lock moves into a second, radially outward position on the centrifugal disc 222 , and engages the raising gear mechanism 229 .
- the centrifugal lock 226 when the centrifugal disc 222 is at rest, and no centrifugal force is exerted on the centrifugal lock 226 , the centrifugal lock 226 is biased in a first position by the bias spring 224 . In the first position, the centrifugal lock 226 is held radially inwardly with respect to the disc 222 within the recess 252 . In the first position, the outer lock teeth 227 remain inside an outer periphery of the centrifugal disc 222 . The lock post 228 is held radially inwardly with respect to the disc 222 , in a position where the lock post 228 can engage the capstan gear 242 .
- the lowering gear mechanism 241 includes the capstan gear 242 .
- the capstan gear 242 is fixedly attached to the top end 116 of the shaft 110 .
- the centrifugal disc 222 is rotating at a speed at or below the first predetermined rotational speed, e.g., the rotational speed corresponding to a bicycle speed of 3 mph, the centrifugal lock 222 is held in the first, radially inward position on the centrifugal disc 222 .
- the lock post 228 connects with the capstan gear 242 .
- the shaft 110 is rotated by the centrifugal mechanism 220 in a first direction corresponding to the direction of rotation of the centrifugal disc 222 .
- the rotation of the shaft 110 lowers the extending arm 120 .
- FIGS. 8A , 8 B and 8 C Operation of the actuator 200 while lowering the support arm 120 is shown in FIGS. 8A , 8 B and 8 C.
- FIGS. 8A , 8 B and 8 C show the centrifugal lock 226 in the first position.
- the lock post 228 in the first position, is in a position to engage the capstan gear 242 .
- the shaft 110 is driven to rotate in a direction and at a same rotational speed as the friction wheel 190 .
- the centrifugal disc 222 does not rotate and the support arm 120 remains in place.
- FIG. 8C is a bottom view of the actuator 200 showing slots formed in the capstan gear 242 for engaging with the lock post 228 .
- the raising gear mechanism 229 includes an outer wheel 230 having an inner surface 231 , the inner surface 231 having an upper portion 233 having outer wheel teeth 232 for engaging the centrifugal lock 226 , and a lower portion 235 forming sun gear outer teeth 236 .
- Sun gear inner teeth 240 are formed on the upper end 116 of the shaft 110 .
- a plurality of intermediate sun gears 234 are disposed between the sun gear outer teeth 236 and sun gear inner teeth 240 .
- the centrifugal lock 226 moves into the second, radially outward position on the centrifugal disc 222 .
- the outer lock teeth 227 connect with the outer wheel teeth 232 of the outer wheel 230 .
- the outer wheel 230 is rotated in a first direction corresponding to the direction of rotation of the centrifugal disc 222 .
- the shaft 110 is rotated in a second direction opposite the first direction via the raising gear mechanism 229 .
- FIGS. 9A , 9 B and 9 C Operation of the actuator 200 while raising the support arm 120 is shown in FIGS. 9A , 9 B and 9 C.
- FIGS. 9A , 9 B and 9 C show the centrifugal lock 226 in the second, radially outward position.
- FIGS. 9A and 9B when the centrifugal lock 226 is in the second position, the outer lock teeth 227 of the centrifugal lock 226 are engaged with the outer wheel teeth 232 .
- the centrifugal mechanism 220 causes the outer wheel 230 to rotate in a same direction as the friction wheel 190 .
- the sun gear outer teeth 236 on the lower portion 233 of the outer wheel 230 engage the plurality of intermediate sun gears 234 .
- the plurality of intermediate sun gears 234 engage the sun gear inner teeth 240 disposed at the upper end 116 of the shaft 110 .
- the configuration of the sun gear outer teeth 236 , intermediate sun gears 234 and sun gear inner teeth 240 cause the shaft 110 to rotate in a direction opposite a direction of rotation of the friction wheel 190 .
- the support mechanism 100 includes a flat spring 400 disposed in the shaft 300 proximate to, and slightly above, the nut 300 .
- the support arm 120 has an exterior surface 123 , and threads 122 on the exterior surface 123 .
- a cap 160 is attached to an upper end 124 of the support arm 120 .
- the cap 160 extends above the support arm 120 and has a diameter substantially the same as a diameter of the support arm 120 .
- the cap 160 has a top piece 162 .
- the top piece 162 has a diameter larger than a diameter of the support arm 120 .
- the support arm 120 When the support arm 120 has been fully extended in a downward direction, the support arm 120 exits the nut 300 .
- the cap 160 is located within the nut 300 . In this position, the flat spring 400 engages the top piece 162 and urges the cap 160 upwards so that when the shaft 110 reverses direction, the nut 300 and the threads 122 on the support arm 120 reengage.
- FIG. 10 shows the operation of the flat spring 400 .
- the threads 122 of the support arm 120 exit the nut 300 .
- the cap 160 extends through the nut 300 .
- the top piece 162 of the cap 160 is in contact with the flat spring 400 , such that the flat spring 400 urges the cap upwards.
- the flat spring 400 urges the support arm 120 into the nut 300 , allowing the nut 300 to threadably engage with the support arm 120 .
- An engagement/disengagement mechanism (not shown) to engage and disengage the friction wheel 190 from the bicycle wheel 20 may be used.
- the engagement/disengagement mechanism may include an engagement spring (not shown).
- the support mechanism 100 may be biased by the engagement spring such that the friction wheel 190 is in frictional contact with the bicycle wheel 20 .
- the engagement/disengagement mechanism may for example, include a lever and a cable. Activating the lever may, via the cable, disengage the support mechanism 100 .
- a second support arm similar to support arm 100 , may be included on a second side (not shown) of the bicycle 10 , opposite the first side 17 of the bicycle 10 .
- the second support arm may be rotatably attached to the frame 12 on the second side of the bicycle 10 in the same manner as the support arm 100 is rotatably attached on the first side of the bicycle 10 , except in minor image.
- the adverb “substantially” modifying an adjective means that a shape, structure, measurement, etc. may deviate from an exact described geometry, distance, measurement, etc., because of imperfections in materials, machining, manufacturing, etc.
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Abstract
Description
- Two wheel vehicles such as bicycles can be equipped with a support stand to keep the vehicle upright when not in motion. There are situations, while riding a two wheeled vehicle, where the rider needs to use his/her legs to keep the vehicle upright, for example when stopped at a traffic light, when about to stop, when going very slow, etc. Therefore, use of two wheeled vehicles may be limited to people with the ability to use their legs to support the vehicle at very slow to no-speed conditions.
- Further, the need to support a two wheel vehicle when moving slowly or stopped can pose a danger of a rider falling if a foot or feet are stuck in place. For example, a shoe lace can get tangled on a peddle shaft or a foot can get stuck in a toe clip, causing the rider along with the bicycle to fall to the ground. Physical limitations can also make it difficult or impossible to operate a kick stand.
-
FIG. 1 is a side view of a bicycle including an exemplary bicycle support mechanism. -
FIG. 2 is side view of an exemplary bicycle support mechanism ofFIG. 1 . -
FIG. 3 is a cross-sectional view of an exemplary bicycle support mechanism ofFIG. 1 . -
FIG. 4A is a plan view of the bicycle support mechanism ofFIG. 1 . -
FIG. 4B is a semi-transparent view of a section of the bicycle support mechanism ofFIG. 1 showing the disposition of a nut. -
FIG. 4C is a semi-transparent view of a section of the bicycle support mechanism ofFIG. 1 showing the cooperation of a nut and a support arm. -
FIG. 5 is a perspective, partial cutaway view of an actuator including a friction wheel. -
FIG. 6 is an exploded view of the actuator and friction wheel ofFIG. 5 . -
FIG. 7A is a perspective view of a raising gear mechanism. -
FIG. 7B is a perspective view of the raising gear mechanism ofFIG. 7A with a portion of an outer wheel cut away. -
FIG. 7C is a perspective view of the outer wheel with a front portion cutaway. -
FIG. 8A is a perspective view of an actuator with an actuator lock being in a first, inward position. -
FIG. 8B is a cutaway view of a lowering gear mechanism showing cooperation of a lock post and a capstan gear. -
FIG. 8C is a bottom plan view of an actuator showing cooperation of a lock post and a capstan gear. -
FIG. 9A is a perspective view of an actuator with an actuator lock in a second, outward position. -
FIG. 9B is a cutaway view of the actuator ofFIG. 8A showing operation of outer lock teeth and outer wheel teeth. -
FIG. 9C is a bottom view of an actuator showing the cooperation of the outer lock teeth and the outer wheel teeth. -
FIG. 10 is a cutaway view of a section of the bicycle support mechanism ofFIG. 1 showing a support arm and a flat spring. - Disclosed herein and illustrated in the various figures is a
support mechanism 100 including ashaft 110 that is connectable to abicycle 10frame 12. As used herein, a bicycle can be any suitable two wheel vehicle, e.g., a bicycle, an electrified bicycle, a moped, a scooter, a motorcycle, etc. Thebicycle 10 includes abicycle wheel 20. Thebicycle wheel 20 includes atire 22. - The
shaft 110 of thesupport mechanism 100 is in the form of a hollow tube and includes atop end 116 and abottom end 118. Asupport arm 120 is telescopically deployable downward from thebottom end 118 of theshaft 110. Afriction wheel 190 is rotatably supported by theshaft 110. Thefriction wheel 190 extends from thetop end 116 of theshaft 110 such that thefriction wheel 190 is arranged to be in frictional contact with a part of thebicycle wheel 20, e.g., thetire 22. - The
support mechanism 100 is driven by thefriction wheel 190 to deploy thesupport arm 120 when thebicycle 10 is moving slowly, below a low speed threshold, e.g., 3 mph at which the bicycle might begin to wobble. Thesupport mechanism 100 raises thesupport arm 120 when thebicycle 10 is moving quickly, above a high speed threshold, e.g., 5 mph, at which the bicycle tends to remain stably upright. In this manner, thesupport arm 120 is automatically deployed when thebicycle 10 is moving slowly or stopped and helps to maintain thebicycle 10 in an upright position. Therefore, a rider does not need to use his/her feet to maintain stability of thebicycle 10. - Referring to
FIGS. 1 and 2 , abicycle 10 includes aframe 12. Theframe 12 has aframe extension 14. Thebicycle wheel 20 includes thetire 22, and is rotatably supported on theframe 12, e.g., in a conventional manner. - A
support mechanism 100 includes ashaft 110. Theshaft 110 is rotatably attached to theframe 12. Theshaft 110 has atop end 116 and abottom end 118. Theshaft 110 is disposed at afirst side 17 of thebicycle frame 12 such that thetop end 116 of theshaft 110 is proximate to atop 24 of thebicycle wheel 20, e.g., thetop end 116 is generally a portion of theshaft 110 nearest to thebicycle wheel 20top 24 relative to any other portions of theshaft 110. Aframe extension 14 may be used to support theshaft 110 on theframe 12. Theframe extension 14 extends from theframe 12 to a point at or below theshaft 110top end 116, and allows theshaft 110 to be secured to theframe 12. In the example shown inFIG. 1 , theshaft 110 extends in a substantially vertical direction, with thetop end 116 of the shaft located near thetop 24 of thebicycle wheel 20. Asecond frame extension 16 may alternatively or additionally be used to rotatably support theshaft 110 on theframe 12. For example, thesecond frame extension 16 may extend outward from theframe 12 near the axle (not shown) of thewheel 20 and rotably support theshaft 110 near thebottom end 118. - As shown in
FIGS. 1 and 2 , asupport arm 120 is telescopically deployable and extends from thebottom end 118 of theshaft 110. - A
friction wheel 190 is rotatably supported at thetop end 116 of theshaft 110 by arod 192. Thefriction wheel 190 is disposed on thesupport mechanism 100 such that thefriction wheel 190 is in frictional contact with a part of thebicycle wheel 20, e.g., thetire 22. In this manner, rotation of thebicycle wheel 20 can turn thefriction wheel 190. - The
support arm 120 is threadably engaged with theshaft 110 such that, when theshaft 110 rotates in a first direction, thesupport arm 120 is lowered, and when theshaft 110 rotates in a second direction, thesupport arm 120 is raised. - As shown in FIGS. 3 and 4A-4C, the
shaft 110 has aninterior surface 112. Anut 300 may be fixedly attached to theinterior surface 112 of theshaft 110 proximate to thebottom end 118. Thesupport arm 120 may be provided withthreads 122 on an exterior surface 123. As further shown inFIG. 3 , thenut 300 and thesupport arm 120 may be appropriately sized such that thethreads 122 of thesupport arm 120 engage thenut 300. Accordingly, thesupport arm 120 may threadably engage thenut 300 such that when theshaft 110 rotates thesupport arm 120 is raised into or lowered out of theshaft 110. - Referring to
FIGS. 2 and 3 , thesupport mechanism 100 may include asuspension spring 140, the spring having afirst end 142 and asecond end 144. Thefirst end 142 is attached to thebottom end 118 of thesupport arm 120. Thesupport mechanism 100 may further include awheel support structure 150 connected to thesecond end 144 of thesuspension spring 140. Asupport wheel 152 may be rotatably supported by thewheel support structure 150. - As shown in
FIGS. 2 and 3 , a connectingcap 130 may be used to connect thefirst end 142 of thesuspension spring 140 to thebottom end 124 of thesupport arm 120. Note, however, that other connectors for connecting thespring 142 thesupport arm 120 may be used instead of thecap 130. - The
suspension spring 140 allows thesupport mechanism 100 to respond to irregularities in a road surface and to reduce or minimize effects of these irregularities while continuing to provide a support function to thebicycle 10. - However, the
suspension spring 140 may be omitted from thesupport mechanism 100. Thewheel support structure 150 may be connected to thebottom end 124 of thesupport arm 120 and asupport wheel 152 may be attached to thewheel support structure 150. - The
support mechanism 100 includes anactuator 200 located at thetop end 116 of theshaft 110, and arranged to move thesupport arm 120, theactuator 200 being driven by thefriction wheel 190. - As shown in
FIG. 2 , theactuator 200 is disposed within thetop end 116 of theshaft 110. Theactuator 200 may be circular in shape. A first diameter of the shaft at thetop end 116 may be greater than a second diameter of the remainder of theshaft 110 in order to accommodate theactuator 200. - As shown in
FIGS. 2 and 3 , arod 192 is fixedly attached to theactuator 200 and extends upward from a center of theactuator 200. Thefriction wheel 190 is fixedly attached to therod 192. In this manner, thefriction wheel 190 drives theactuator 200. - Referring to
FIGS. 5 and 6 , theactuator 200 includes acentrifugal mechanism 220 rotatably supported within theshaft 110, thecentrifugal mechanism 220 being substantially circular in shape, therod 192 extending from a center point of thecentrifugal mechanism 220 and fixedly connecting thefriction wheel 190 to thecentrifugal mechanism 220 such that thefriction wheel 190 drives rotation of thecentrifugal mechanism 220. - The
centrifugal mechanism 220 includes acentrifugal disc 222 being rotatably supported within theshaft 110, thecentrifugal disc 222 being substantially circular in shape, therod 192 extending from a center point of thecentrifugal disc 222 and fixedly connecting thefriction wheel 190 to thecentrifugal disc 222. Thecentrifugal disc 222 has a centrifugallock support surface 254, and guidingportions 256 extending upward from the centrifugallock support surface 254, and radially outward from the center point. Acentrifugal lock 226 is slidably disposed on the centrifugallock support surface 254 between the guidingportions 256, thecentrifugal lock 226 including outercentrifugal lock teeth 227 and alock post 228. Abushing 223 rotatably connects to therod 192, and abias spring 224 connects thecentrifugal lock 226 to thebushing 223. -
FIGS. 5 and 6 show thecentrifugal mechanism 220. Thecentrifugal disc 222 is shaped substantially as a cylinder with arecess 252 formed therein. The guidingportions 256 define sides of therecess 252 and extend radially outward approximately from the center point of thecentrifugal disc 222. The guidingportions 256 extend vertically downward from anupper surface 250 of thecentrifugal disc 222. The centrifugallock support surface 254 defines the bottom of therecess 252. - As shown in
FIGS. 5 and 6 , the resultingrecess 252 is substantially triangular in shape with an apex of the triangle located proximate the center point of thecentrifugal disc 222. Thecentrifugal lock 226 is slidably supported within therecess 252 on the centrifugallock support surface 254. - The
centrifugal lock 226 is also substantially triangular in shape, and fits within therecess 252 formed in thecentrifugal disc 222. Thecentrifugal lock 226 has an apex 260. An outer edge 262 of thecentrifugal lock 226 hasouter lock teeth 227. Thecentrifugal lock 226 includes alock post 228, the lock post extending downward fromcentrifugal lock 226. - The
actuator 200 includes a lowering gear mechanism 241 and a raising gear mechanism 229, the lowering gear mechanism 241 and raising gear mechanism 229 being selectively engaged and driven by thecentrifugal mechanism 200. - Referring to
FIG. 6 , the lowering gear mechanism 241 includescapstan gear 242. Thecapstan gear 242 is fixably attached to thetop end 116 of theshaft 110. - Referring to
FIGS. 7A , 7B and 7C, the raising gear mechanism 229 includes anouter wheel 230. Theouter wheel 230 is rotatably supported on thetop end 116 of theshaft 110. Theouter wheel 230 is in the form of a hollow cylinder and has aninterior surface 231. As shown inFIG. 7C ,outer wheel teeth 232 are disposed at a top portion of theinterior surface 231 of theouter wheel 230. Further as shown inFIG. 7C , sun gearouter teeth 236 are disposed on a bottom portion of theinterior surface 231 of theouter wheel 230. - As shown in
FIG. 7B , the raising gear mechanism 229 further includes sun gearinner teeth 240. The sun gearinner teeth 240 are formed at thetop end 116 of theshaft 110. - In addition, the raising gear mechanism 229 includes a plurality of intermediate sun gears 234. The intermediate sun gears 234 are disposed between the sun gear
outer teeth 236 and the sun gearinner teeth 240. - When the
centrifugal disc 222 is rotating at or below a first predetermined rotational speed, thecentrifugal lock 222 is held in a first, radially inward position on thecentrifugal disc 222, and engages the lowering gear mechanism 241. When thecentrifugal disc 222 is rotating at a speed above a second predetermined rotational speed, the centrifugal lock moves into a second, radially outward position on thecentrifugal disc 222, and engages the raising gear mechanism 229. - Referring to
FIGS. 5 and 8A , when thecentrifugal disc 222 is at rest, and no centrifugal force is exerted on thecentrifugal lock 226, thecentrifugal lock 226 is biased in a first position by thebias spring 224. In the first position, thecentrifugal lock 226 is held radially inwardly with respect to thedisc 222 within therecess 252. In the first position, theouter lock teeth 227 remain inside an outer periphery of thecentrifugal disc 222. Thelock post 228 is held radially inwardly with respect to thedisc 222, in a position where thelock post 228 can engage thecapstan gear 242. - The lowering gear mechanism 241 includes the
capstan gear 242. Thecapstan gear 242 is fixedly attached to thetop end 116 of theshaft 110. When thecentrifugal disc 222 is rotating at a speed at or below the first predetermined rotational speed, e.g., the rotational speed corresponding to a bicycle speed of 3 mph, thecentrifugal lock 222 is held in the first, radially inward position on thecentrifugal disc 222. Thelock post 228 connects with thecapstan gear 242. Theshaft 110 is rotated by thecentrifugal mechanism 220 in a first direction corresponding to the direction of rotation of thecentrifugal disc 222. The rotation of theshaft 110 lowers the extendingarm 120. - Operation of the
actuator 200 while lowering thesupport arm 120 is shown inFIGS. 8A , 8B and 8C. Each ofFIGS. 8A , 8B and 8C show thecentrifugal lock 226 in the first position. As shown inFIGS. 8B and 8C , in the first position, thelock post 228 is in a position to engage thecapstan gear 242. When thelock post 228 is engaged with thecapstan gear 242, theshaft 110 is driven to rotate in a direction and at a same rotational speed as thefriction wheel 190. When thebicycle 10 is at rest, thecentrifugal disc 222 does not rotate and thesupport arm 120 remains in place. -
FIG. 8C is a bottom view of theactuator 200 showing slots formed in thecapstan gear 242 for engaging with thelock post 228. - The raising gear mechanism 229 includes an
outer wheel 230 having aninner surface 231, theinner surface 231 having anupper portion 233 havingouter wheel teeth 232 for engaging thecentrifugal lock 226, and alower portion 235 forming sun gearouter teeth 236. Sun gearinner teeth 240 are formed on theupper end 116 of theshaft 110. A plurality of intermediate sun gears 234 are disposed between the sun gearouter teeth 236 and sun gearinner teeth 240. - When the
centrifugal disc 222 is rotating at a speed above the second predetermined rotational speed, e.g., the rotational speed corresponding to a bicycle speed of 5 mph, thecentrifugal lock 226 moves into the second, radially outward position on thecentrifugal disc 222. Theouter lock teeth 227 connect with theouter wheel teeth 232 of theouter wheel 230. Theouter wheel 230 is rotated in a first direction corresponding to the direction of rotation of thecentrifugal disc 222. Theshaft 110 is rotated in a second direction opposite the first direction via the raising gear mechanism 229. - Operation of the
actuator 200 while raising thesupport arm 120 is shown inFIGS. 9A , 9B and 9C. Each ofFIGS. 9A , 9B and 9C show thecentrifugal lock 226 in the second, radially outward position. As shown inFIGS. 9A and 9B , when thecentrifugal lock 226 is in the second position, theouter lock teeth 227 of thecentrifugal lock 226 are engaged with theouter wheel teeth 232. In this manner, thecentrifugal mechanism 220 causes theouter wheel 230 to rotate in a same direction as thefriction wheel 190. - As shown in
FIGS. 9B and 9C , the sun gearouter teeth 236 on thelower portion 233 of theouter wheel 230 engage the plurality of intermediate sun gears 234. The plurality of intermediate sun gears 234 engage the sun gearinner teeth 240 disposed at theupper end 116 of theshaft 110. The configuration of the sun gearouter teeth 236, intermediate sun gears 234 and sun gearinner teeth 240 cause theshaft 110 to rotate in a direction opposite a direction of rotation of thefriction wheel 190. - The
support mechanism 100 includes aflat spring 400 disposed in theshaft 300 proximate to, and slightly above, thenut 300. Thesupport arm 120 has an exterior surface 123, andthreads 122 on the exterior surface 123. Acap 160 is attached to anupper end 124 of thesupport arm 120. Thecap 160 extends above thesupport arm 120 and has a diameter substantially the same as a diameter of thesupport arm 120. Thecap 160 has atop piece 162. Thetop piece 162 has a diameter larger than a diameter of thesupport arm 120. - When the
support arm 120 has been fully extended in a downward direction, thesupport arm 120 exits thenut 300. Thecap 160 is located within thenut 300. In this position, theflat spring 400 engages thetop piece 162 and urges thecap 160 upwards so that when theshaft 110 reverses direction, thenut 300 and thethreads 122 on thesupport arm 120 reengage. -
FIG. 10 shows the operation of theflat spring 400. When thesupport arm 120 has been fully extended, thethreads 122 of thesupport arm 120 exit thenut 300. Thecap 160 extends through thenut 300. Thetop piece 162 of thecap 160 is in contact with theflat spring 400, such that theflat spring 400 urges the cap upwards. When theshaft 110 reverses direction, theflat spring 400 urges thesupport arm 120 into thenut 300, allowing thenut 300 to threadably engage with thesupport arm 120. - An engagement/disengagement mechanism (not shown) to engage and disengage the
friction wheel 190 from thebicycle wheel 20 may be used. For example, the engagement/disengagement mechanism may include an engagement spring (not shown). Thesupport mechanism 100 may be biased by the engagement spring such that thefriction wheel 190 is in frictional contact with thebicycle wheel 20. The engagement/disengagement mechanism may for example, include a lever and a cable. Activating the lever may, via the cable, disengage thesupport mechanism 100. - A second support arm, similar to support
arm 100, may be included on a second side (not shown) of thebicycle 10, opposite thefirst side 17 of thebicycle 10. The second support arm may be rotatably attached to theframe 12 on the second side of thebicycle 10 in the same manner as thesupport arm 100 is rotatably attached on the first side of thebicycle 10, except in minor image. - As used herein, the adverb “substantially” modifying an adjective means that a shape, structure, measurement, etc. may deviate from an exact described geometry, distance, measurement, etc., because of imperfections in materials, machining, manufacturing, etc.
- In the drawings, the same reference numbers indicate the same elements. Further, some or all of these elements could be changed. Accordingly, it is to be understood that the above description is intended to be illustrative and not restrictive. Many embodiments and applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the invention should be determined, not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. It is anticipated and intended that future developments will occur in the arts discussed herein, and that the disclosed systems and methods will be incorporated into such future embodiments. In sum, it should be understood that the invention is capable of modification and variation and is limited only by the following claims.
Claims (19)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/464,617 US9266574B1 (en) | 2014-08-20 | 2014-08-20 | Automatically deployed bicycle support |
GB1513002.4A GB2530625B (en) | 2014-08-20 | 2015-07-23 | Automatically deployed bicycle support |
CN201510501944.1A CN105383593A (en) | 2014-08-20 | 2015-08-14 | Automatically deployed bicycle support |
MX2015010556A MX362226B (en) | 2014-08-20 | 2015-08-14 | Automatically deployed bicycle support. |
DE102015113563.9A DE102015113563A1 (en) | 2014-08-20 | 2015-08-17 | AUTOMATICALLY EXTENDED BICYCLE SUPPORT |
RU2015135167A RU2683420C2 (en) | 2014-08-20 | 2015-08-19 | Support mechanism of bicycle, bicycle and method for using support mechanism of bicycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US14/464,617 US9266574B1 (en) | 2014-08-20 | 2014-08-20 | Automatically deployed bicycle support |
Publications (2)
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US9266574B1 US9266574B1 (en) | 2016-02-23 |
US20160052577A1 true US20160052577A1 (en) | 2016-02-25 |
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US14/464,617 Expired - Fee Related US9266574B1 (en) | 2014-08-20 | 2014-08-20 | Automatically deployed bicycle support |
Country Status (6)
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US (1) | US9266574B1 (en) |
CN (1) | CN105383593A (en) |
DE (1) | DE102015113563A1 (en) |
GB (1) | GB2530625B (en) |
MX (1) | MX362226B (en) |
RU (1) | RU2683420C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9567024B2 (en) * | 2015-04-27 | 2017-02-14 | Timothy LARONDE | Kickstand assembly having gear assembly |
CN109159836A (en) * | 2018-10-25 | 2019-01-08 | 东莞市皓奇企业管理服务有限公司 | The application method of motor vehicle anti-tipping apparatus |
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US9284002B2 (en) * | 2013-10-23 | 2016-03-15 | Peyton Webb Robinson | Real-time retractable training wheels system and method |
CN107685793A (en) * | 2017-07-05 | 2018-02-13 | 陶霖密 | A kind of automatic heel brace of electric car |
CN109080739A (en) * | 2018-07-24 | 2018-12-25 | 贵港市瑞成科技有限公司 | A kind of foot support of electric motor car of adjustable length |
CN110155217B (en) * | 2019-06-19 | 2021-01-29 | 浙江麦知网络科技有限公司 | Action recognition device based on bionics |
US20200407013A1 (en) * | 2019-06-26 | 2020-12-31 | Weel Autonomy Inc. | Autonomous electronic bicycle |
US10754340B1 (en) | 2019-06-26 | 2020-08-25 | Weel Autonomy Inc. | Virtual gearing in an autonomous electronic bicycle |
US11654988B2 (en) | 2019-06-26 | 2023-05-23 | Weel Autonomy Inc. | Balancing system in an autonomous electronic bicycle |
CN112078692B (en) * | 2020-09-16 | 2021-12-21 | 淮北平坤锂电池科技有限公司 | Bicycle learning auxiliary device |
CN112407110A (en) * | 2020-11-30 | 2021-02-26 | 南通路远科技信息有限公司 | Two-wheel vehicle supporting device |
CN116080799B (en) * | 2023-03-27 | 2023-11-07 | 徐州百事利电动车业有限公司 | Electric vehicle and battery operation monitoring system thereof |
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SU1171394A1 (en) * | 1984-01-06 | 1985-08-07 | Центральное Конструкторско-Технологическое Бюро Велостроения | Bicycle support |
CA1206176A (en) * | 1984-08-27 | 1986-06-17 | Percy Adler | Bicycle support device |
GB8904430D0 (en) * | 1989-02-27 | 1989-04-12 | Shepherd Donald W | Stabiliser system for vehicles |
GB9116978D0 (en) * | 1991-08-07 | 1991-09-18 | Shepherd Donald W | Stabiliser system for vehicles |
KR970707008A (en) | 1994-11-17 | 1997-12-01 | 토마스 피 마호니 | Coiled Bike Stand (COILED BICYCLE STAND) |
CN2331568Y (en) * | 1996-08-15 | 1999-08-04 | 戴光凯 | Automatic lifting type auxiliary wheel for bicycle |
CN2324033Y (en) * | 1997-03-19 | 1999-06-16 | 邬大勋 | Dynamic balance support device for two-wheel motorcycle |
CN2298185Y (en) * | 1997-08-21 | 1998-11-25 | 罗子宜 | Automatic lifting device for motocycle studdle |
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CN102442367A (en) * | 2010-10-09 | 2012-05-09 | 连三郎 | Motorcycle with automatic lifting auxiliary wheel frames |
DK2447145T3 (en) | 2010-10-29 | 2014-04-07 | Guenther Hirn | Electric drive system for a bicycle |
KR20120136456A (en) * | 2011-06-09 | 2012-12-20 | 박정욱 | Bicycle auxiliary wheel assembly |
-
2014
- 2014-08-20 US US14/464,617 patent/US9266574B1/en not_active Expired - Fee Related
-
2015
- 2015-07-23 GB GB1513002.4A patent/GB2530625B/en not_active Expired - Fee Related
- 2015-08-14 MX MX2015010556A patent/MX362226B/en active IP Right Grant
- 2015-08-14 CN CN201510501944.1A patent/CN105383593A/en active Pending
- 2015-08-17 DE DE102015113563.9A patent/DE102015113563A1/en not_active Withdrawn
- 2015-08-19 RU RU2015135167A patent/RU2683420C2/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9567024B2 (en) * | 2015-04-27 | 2017-02-14 | Timothy LARONDE | Kickstand assembly having gear assembly |
CN109159836A (en) * | 2018-10-25 | 2019-01-08 | 东莞市皓奇企业管理服务有限公司 | The application method of motor vehicle anti-tipping apparatus |
Also Published As
Publication number | Publication date |
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RU2683420C2 (en) | 2019-03-28 |
RU2015135167A (en) | 2017-02-28 |
MX362226B (en) | 2019-01-07 |
GB2530625A (en) | 2016-03-30 |
GB2530625B (en) | 2020-09-23 |
MX2015010556A (en) | 2016-02-19 |
DE102015113563A1 (en) | 2016-02-25 |
GB201513002D0 (en) | 2015-09-09 |
CN105383593A (en) | 2016-03-09 |
RU2015135167A3 (en) | 2019-01-22 |
US9266574B1 (en) | 2016-02-23 |
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