Cycle exerciser

Claim 2

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft having two ends rotatably carried by said frame; first drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; a drive crank arm secured to each of two opposite end portions of said drive shaft and extending laterally therefrom in opposite directions; two foot pedal crank arms; connecting means through which each said foot pedal crank arm is fixedly secured to the outer end of a respective said drive crank arm to permit rotation of said drive shaft by foot operation; two handlebar levers mounted on said frame for oscillatory movement; and second drive means connecting the outer end of each said drive crank arm to a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to said oscillation of the handlebar levers; said second drive means being connected to said connecting means so as to be interposed between the outer end of each said drive crank arm and the adjacent end of the respective foot pedal crank arm.

Claim 3

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably mounted on said frame so that end portions thereof project outwardly from opposite sides of said frame; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; two handlebar levers mounted on said frame for oscillatory movement; a handlebar drive connection secured to each said drive shaft end portion for rotation with said drive shaft; a drive bar forming at least part of an operative connection between each said drive connection and a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to oscillation of the handlebar levers; two foot pedal crank arms, each of which is connected to a respective said drive shaft end portion to permit rotation of said drive shaft by foot operation and is located outwardly of the handlebar drive connection at that end portion; each said handlebar drive connection including a drive crank arm secured to the respective said shaft end portion to extend laterally therefrom, and a crank pin secured to the outer end of the drive crank arm and having its axis substantially parallel to the axis of said drive shaft, said drive crank arms extending from said shaft in opposite directions; each said foot pedal crank arm is secured to a respective said crank pin so that the two foot pedal crank arms extend in opposite directions; and each said drive bar has an end portion journalled on a respective said crank pin so as to be interposed between the outer end of the respective said drive crank arm and the adjacent end of the respective said foot pedal crank arm.

Claim 4

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably mounted on said frame so that end portions thereof project outwardly from opposite sides of said frame; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; two handlebar levers mounted on said frame for oscillatory movement; a handlebar drive connection secured to each said drive shaft end portion for rotation with said drive shaft; a drive bar forming at least part of an operative connection between each said drive connection and a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to oscillation of the handlebar levers; two foot pedal crank arms, each of which is connected to a respective said drive shaft end portion to permit rotation of said drive shaft by foot operation and is located outwardly of the handlebar drive connection at that end portion; each said handlebar drive connection including a drive crank arm secured to the respective said shaft end portion to extend laterally therefrom, and a crank pin secured to the outer end of the drive crank arm and having its axis substantially parallel to the axis of said drive shaft, said drive crank arms extending from said shaft in opposite directions; each said foot pedal crank arm is secured to a respective said crank pin so that the two foot pedal crank arms extend in opposite directions; and each said drive bar has an end portion journalled on a respective said crank pin so as to be interposed between the outer end of the respective said drive crank arm and the adjacent end of the respective said foot pedal crank arm.

Claim 5

A cycle exerciser including; a frame a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably carried by said frame at a location below and forward of said seat; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; a drive crank arm secured to each of two opposite end portions of said drive shaft and extending laterally therefrom in opposite directions; a foot pedal crank arm fixedly secured to the outer end of each said drive crank arm to permit rotation of said drive shaft by foot operation; two handlebar levers located forward of said drive shaft; a pivotal mounting connecting each said handlebar lever to said frame for back and forth oscillatory movement, and at least part of each said lever extending upwardly from said pivotal mounting; two drive bars, each of which connects the outer end of a respective one of said drive crank arms to a respective one of said handle bar levers so that said drive shaft is caused to rotate in response to said oscillation of the handlebar levers; one end of each said drive bar being pivotally mounted on a connection between the respective said drive and foot pedal crank arms so that said end is interposed between adjacent ends of said crank arms, and the other end of each said drive bar is connected to the respective said handlebar lever through a pivotal connection which is spaced from said pivotal mounting in substantially the same direction as the corresponding pivotal connection of the other said drive bar; the arrangement being such that the upper end of one said handlebar lever is at a forwardmost position about its pivot axis when the upper end of the other handlebar lever is at a rearmost position.

Claim 6

A cycle exerciser including; a frame a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably carried by said frame at a location below and forward of said seat; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; a drive crank arm secured to each of two opposite end portions of said drive shaft and extending laterally therefrom in opposite directions; a foot pedal crank arm fixedly secured to the outer end of each said drive crank arm to permit rotation of said drive shaft by foot operation; two handlebar levers located forward of said drive shaft; a pivotal mounting connecting each said handlebar lever to said frame for back and forth oscillatory movement, and at least part of each said lever extending upwardly from said pivotal mounting; two drive bars, each of which connects the outer end of a respective one of said drive crank arms to a respective one of said handle bar levers so that said drive shaft is caused to rotate in response to said oscillation of the handlebar levers; one end of each said drive bar being pivotally mounted on a connection between the respective said drive and foot pedal crank arms so that said end is interposed between adjacent ends of said crank arms, and the other end of each said drive bar is connected to the respective said handlebar lever through a pivotal connection which is spaced from said pivotal mounting in substantially the same direction as the corresponding pivotal connection of the other said drive bar; the arrangement being such that the upper end of one said handlebar lever is at a forwardmost position about its pivot axis when the upper end of the other handlebar lever is at a rearmost position.

Claim 7

A cycle exerciser according to claim 1, wherein a short section of each said handlebar lever extends below said pivotal mounting, and each said pivotal connection is adjacent a lower end of a respective said short section.

Claim 8

A cycle exerciser according to claim 1, wherein each said foot pedal crank arm is secured to its respective said drive crank arm through a crank pin extending laterally from said drive crank arm at a location spaced from said drive shaft and having its axis substantially parallel to the axis of said drive shaft, and each said drive bar has an end portion rotatably mounted on a respective one of said crank pins to form the said connection with said drive crank arm.

Claim 9

A cycle exerciser according to claim 1, wherein the two said foot pedal crank arms extend in substantially opposite directions, and each said foot pedal crank arm extends angularly relative to the drive crank arm to which it is secured so that when said foot pedal crank arm is moved downwards there is forward movement of the adjacent said handlebar lever.

Claim 10

A cycle exerciser according to claim 1, wherein said energy absorbing means is a wheel having a plurality of blades secured thereto and being arranged to resist rotation of said wheel by movement of their broad surfaces against the surrounding body of air.

Claim 11

A cycle exerciser according to claim 1, wherein a chain and sprocket mechanism drivably connects those crank arms to said energy absorbing means.

Claim 12

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably carried by said frame; first drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; an eccentric defining a disk fixed off center secured to each of two opposite end portions of said drive shaft for rotation therewith, said eccentrics being relatively arranged 180° out of phase, two handlebar levers mounted on said frame for oscillatory movement; second drive means connecting each said eccentric to a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to said oscillation of the handlebar levers, each said second drive means having a collar portion journalled on a respective one of said eccentrics; and two foot pedal crank arms, each of which is secured to a respective opposite end portion of said drive shaft for rotation therewith and is located outwardly of the said eccentric at that end portion.

Claim 13

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably carried by said frame; first drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; an eccentric defining a disk fixed off center secured to each of two opposite end portions of said drive shaft for rotation therewith, said eccentrics being relatively arranged 180° out of phase, two handlebar levers mounted on said frame for oscillatory movement; second drive means connecting each said eccentric to a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to said oscillation of the handlebar levers, each said second drive means having a collar portion journalled on a respective one of said eccentrics; and two foot pedal crank arms, each of which is secured to a respective opposite end portion of said drive shaft for rotation therewith and is located outwardly of the said eccentric at that end portion.

Claim 14

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably mounted on said frame so that end portions thereof project outwardly from opposite sides of said frame; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; two handlebar levers mounted on said frame for oscillatory movement; a handlebar drive connection secured to each said drive shaft end portion for rotation with said drive shaft; a drive bar forming at least part of an operative connection between each said drive connection and a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to oscillation of the handlebar levers; two foot pedal crank arms, each of which is connected to a respective said drive shaft end portion to permit rotation of said drive shaft by foot operation and is located outwardly of the handlebar drive connection at that end portion, and said foot pedal crank arms extending laterally relative to said drive shaft in opposite directions; and each said handlebar drive connection including an eccentric defining a disk fixed off center to said drive shaft for rotation therewith, each of which is arranged 180° out of phase with the other, and an end collar portion of the respective said drive bar which is journalled on said eccentric.

Claim 15

A cycle exerciser including; a frame; a seat mounted on said frame; energy absorbing means rotatably mounted on said frame; a substantially horizontal drive shaft rotatably mounted on said frame so that end portions thereof project outwardly from opposite sides of said frame; drive means connecting said drive shaft to said energy absorbing means to cause rotation thereof in response to rotation of said drive shaft; two handlebar levers mounted on said frame for oscillatory movement; a handlebar drive connection secured to each said drive shaft end portion for rotation with said drive shaft; a drive bar forming at least part of an operative connection between each said drive connection and a respective one of said handlebar levers so that said drive shaft is caused to rotate in response to oscillation of the handlebar levers; two foot pedal crank arms, each of which is connected to a respective said drive shaft end portion to permit rotation of said drive shaft by foot operation and is located outwardly of the handlebar drive connection at that end portion, and said foot pedal crank arms extending laterally relative to said drive shaft in opposite directions; and each said handlebar drive connection including an eccentric defining a disk fixed off center to said drive shaft for rotation therewith, each of which is arranged 180° out of phase with the other, and an end collar portion of the respective said drive bar which is journalled on said eccentric.

Claim 16

A cycle exerciser according to claim 9, wherein a short section of each said handlebar lever extends below said pivotal mounting, and each said pivotal connection is adjacent a lower end of a respective said short section.

Claim 17

A cycle exerciser according to claim 9, wherein said collar portion is rotatably mounted on each said eccentric.

Claim 18

A cycle exerciser according to claim 12, wherein each said collar portion includes a pair of annular plates, each of which is located on a respective opposite side of one eccentric disk, and a plurality of rollers secured between said plates and arranged in a circle about said eccentric disk so as to engage with the outer periphery of said eccentric disk.

Claim 19

A cycle exerciser according to claim 9, wherein the pivotal connection of said lever is coaxial with the axis of rotation of said energy absorbing means.

Claim 20

A cycle exerciser according to claim 9, wherein said energy absorbing means is a wheel having a plurality of blades secured thereto and being arranged to resist rotation of said wheel by movement of their broad surfaces against the surrounding body of air.

Claim 21

A cycle exerciser according to claim 9, wherein a chain and sprocket mechanism drivably connects those crank arms to said energy absorbing means.