A go kart steering measurement tool for measuring at least one of a caster angle and a king pin angle of a front wheel steering mechanism of a go kart includes a tool body, and an axle engagement structure adapted to position the go kart steering measurement tool on an axle of the go kart, wherein t
A go kart steering measurement tool for measuring at least one of a caster angle and a king pin angle of a front wheel steering mechanism of a go kart includes a tool body, and an axle engagement structure adapted to position the go kart steering measurement tool on an axle of the go kart, wherein the tool body has a target surface for making an impinging laser beam from a separate laser emission tool visible to a user of the go kart steering measurement tool, wherein the target surface has a first scale, including a plurality of first markings, and a second scale, including a plurality of second markings, with the first scale and the second scale having the same scaling, and wherein the first scale and the second scale are spaced apart, such that, upon the separate laser emission tool being attached to the front wheel steering mechanism and the front wheel steering mechanism being turned and the impinging laser beam moving across the target surface as a result thereof, a first measurement on the first scale and a second measurement on the second scale can be made by visual inspection, with a difference between the first measurement and the second measurement being an indication of the caster angle or of the king pin angle of a steerable stub axle of the go kart.
대표청구항▼
1. A go kart steering measurement tool for measuring a caster angle of a front wheel steering mechanism of a go kart, comprising: a tool body; andan axle engagement structure adapted to position the go kart steering measurement tool on an axle of the go kart,wherein the tool body has a target surfac
1. A go kart steering measurement tool for measuring a caster angle of a front wheel steering mechanism of a go kart, comprising: a tool body; andan axle engagement structure adapted to position the go kart steering measurement tool on an axle of the go kart,wherein the tool body has a target surface for making an impinging laser beam from a separate laser emission tool visible to a user of the go kart steering measurement tool,wherein the target surface comprises a first scale, comprising a plurality of first markings, and a second scale, comprising a plurality of second markings, with the first scale and the second scale having the same scaling, andwherein the first scale and the second scale are spaced apart, such that, upon the separate laser emission tool being attached to the front wheel steering mechanism and the front wheel steering mechanism being turned and the impinging laser beam moving across the target surface as a result thereof, a first measurement on the first scale and a second measurement on the second scale can be made by visual inspection, with a difference between the first measurement and the second measurement being an indication of the caster angle of a steerable stub axle of the go kart;wherein the axle engagement structure is adapted to position the go kart steering measurement tool on any one of a right steerable front stub axle and a left steerable front stub axle of the go kart, with the target surface facing towards the other one of the right steerable front stub axle and the left steerable front stub axle of the go kart, such that, upon the separate laser emission tool being positioned on the other one of the right steerable front stub axle and the left steerable front stub axle of the go kart and upon the steering mechanism being turned and the impinging laser beam moving across the target surface as a result thereof, the difference between the first measurement and the second measurement is an indication of the caster angle of the one of the right steerable front stub axle and the left steerable front stub axle, onto which the go kart steering measurement tool is positioned. 2. The go kart steering measurement tool according to claim 1, wherein the first scale and the second scale are arranged in parallel. 3. The go kart steering measurement tool according to claim 1, wherein the first scale and the second scale are arranged along a tan-function curve. 4. The go kart steering measurement tool according to claim 1, wherein the first scale and the second scale are spaced apart by a distance of between 3 cm and 8 cm, and/or wherein the plurality of first markings and the plurality of second markings represent degree values. 5. The go kart steering measurement tool according to claim 1, wherein the first scale and the second scale each have a linear scaling. 6. The go kart steering measurement tool according to claim 1, wherein the tool body has a generally cuboid shape, with one side of the cuboid tool body comprising the target surface. 7. The go kart steering measurement tool according to claim 1, further comprising a laser emitter disposed within the tool body and adapted to emit a laser beam, such that the go kart steering measurement tool is also usable as the separate laser emission tool. 8. A set of a plurality of go kart steering measurement tools, comprising: a first go kart steering measurement tool as recited in claim 7; anda second go kart steering measurement tool as recited in claim 7,wherein the first go kart steering measurement tool and the second go kart steering measurement tool allow for a measuring of the caster angle by emitting a laser beam from the laser emitter of the second go kart steering measurement tool towards the target surface of the first go kart steering measurement tool. 9. The go kart steering measurement tool according to claim 1, further configured for measuring a king pin angle of the front wheel steering mechanism of the go kart, wherein the tool body has a second target surface, comprising a third scale, comprising a plurality of third markings, and a fourth scale, comprising a plurality of fourth markings, with the third scale and the fourth scale having the same scaling and being spaced apart, andwherein the axle engagement structure is adapted to position the go kart steering measurement tool on a rear axle of the go kart, with the target surface facing towards a front of the go kart, such that, upon the separate laser emission tool being positioned on one of the right steerable front stub axle and the left steerable front stub axle of the go kart and upon the steering mechanism being turned and the impinging laser beam moving across the second target surface as a result thereof, a third measurement on the third scale and a fourth measurement on the fourth scale can be made by visual inspection, with a difference between the third measurement and the fourth measurement being an indication of the king pin angle of said one of the right steerable front stub axle and the left steerable front stub axle of the go kart, onto which the separate laser emission tool is positioned. 10. A method of measuring at least one of a caster angle and a king pin angle of a front wheel steering mechanism of a go kart, the method comprising the steps of: attaching a go kart measurement tool to a go kart, the go kart measurement tool having a target surface for making an impinging laser beam visible, the target surface comprising a first scale, comprising a plurality of first markings, and a second scale, comprising a plurality of second markings, with the first scale and the second scale having the same scaling and being spaced apart;attaching a separate laser emission tool to the front wheel steering mechanism of the go kart, with the separate laser emission tool emitting a laser beam impinging on the target surface of the go kart measurement tool;moving the impinging laser beam across the target surface by turning the front wheel steering mechanism; andtaking a first measurement on the first scale and a second measurement on the second scale, with a difference between the first measurement and the second measurement being an indication of the caster angle or of the king pin angle of a steerable stub axle of the go kart. 11. The method according to claim 10, wherein the method is a method of measuring the caster angle of the front wheel steering mechanism of the go kart,wherein the step of attaching the go kart measurement tool to the go kart comprises positioning the go kart steering measurement tool on any one of a right steerable front stub axle and a left steerable front stub axle of the go kart, with the target surface facing towards the other one of the right steerable front stub axle and the left steerable front stub axle,wherein the step of attaching the separate laser emission tool to the front wheel steering mechanism of the go kart comprises positioning the separate laser emission tool on the other one of the right steerable front stub axle and the left steerable front stub axle, andwherein the difference between the first measurement and the second measurement is the indication of the caster angle. 12. The method according to claim 10, wherein the method is a method of measuring the king pin angle of the front wheel steering mechanism of the go kart,wherein the step of attaching the go kart measurement tool to the go kart comprises positioning the go kart steering measurement tool on a rear axle of the go kart, with the target surface facing towards the front of the go kart,wherein the step of attaching the separate laser emission tool to the front wheel steering mechanism of the go kart comprises positioning the separate laser emission tool on a steerable front stub axle of the go kart, andwherein the difference between the first measurement and the second measurement is the indication of the king pin angle. 13. A go kart steering measurement tool for measuring a king pin angle of a front wheel steering mechanism of a go kart, comprising: a tool body, andan axle engagement structure adapted to position the go kart steering measurement tool on an axle of the go kart,wherein the tool body has a target surface for making an impinging laser beam from a separate laser emission tool visible to a user of the go kart steering measurement tool,wherein the target surface comprises a first scale, comprising a plurality of first markings, and a second scale, comprising a plurality of second markings, with the first scale and the second scale having the same scaling, andwherein the first scale and the second scale are spaced apart, such that, upon the separate laser emission tool being attached to the front wheel steering mechanism and the front wheel steering mechanism being turned and the impinging laser beam moving across the target surface as a result thereof, a first measurement on the first scale and a second measurement on the second scale can be made by visual inspection, with a difference between the first measurement and the second measurement being an indication of the king pin angle of a steerable stub axle of the go kart,wherein the axle engagement structure is adapted to position the go kart steering measurement tool on a rear axle of the go kart, with the target surface facing towards a front of the go kart, such that, upon the separate laser emission tool being positioned on a steerable front stub axle of the go kart and upon the steering mechanism being turned and the impinging laser beam moving across the target surface as a result thereof, the difference between the first measurement and the second measurement is an indication of the king pin angle of the steerable front stub axle, onto which the separate laser emission tool is positioned. 14. The go kart steering measurement tool according to claim 13, wherein the first scale and the second scale are arranged in parallel. 15. The go kart steering measurement tool according to claim 13, wherein the first scale and the second scale are arranged along a tan-function curve. 16. The go kart steering measurement tool according to claim 13, wherein the first scale and the second scale are spaced apart by a distance of between 3 cm and 8 cm, and/orwherein the plurality of first markings and the plurality of second markings represent degree values. 17. The go kart steering measurement tool according to claim 13, wherein the first scale and the second scale each have a linear scaling. 18. The go kart steering measurement tool according to claim 13, wherein the tool body has a generally cuboid shape, with one side of the cuboid tool body comprising the target surface. 19. The go kart steering measurement tool according to claim 13, further comprising a laser emitter disposed within the tool body and adapted to emit a laser beam, such that the go kart steering measurement tool is also usable as the separate laser emission tool. 20. A set of a plurality of go kart steering measurement tools, comprising: a first go kart steering measurement tool in accordance with claim 19, anda second go kart steering measurement tool in accordance with claim 19,wherein the first go kart steering measurement tool and the second go kart steering measurement tool allow for a measuring of the king pin angle by emitting a laser beam from the laser emitter of the second go kart steering measurement tool towards the target surface of the first go kart steering measurement tool. 21. The go kart steering measurement tool according to claim 13, further configured for measuring a caster angle of the front wheel steering mechanism of the go kart, wherein the tool body has a second target surface, comprising a third scale, comprising a plurality of third markings, and a fourth scale, comprising a plurality of fourth markings, with the third scale and the fourth scale having the same scaling and being spaced apart, andwherein the axle engagement structure is adapted to position the go kart steering measurement tool on any one of a right steerable front stub axle and a left steerable front stub axle of the go kart, with the second target surface facing towards the other one of the right steerable front stub axle and the left steerable front stub axle of the go kart, such that, upon the separate laser emission tool being positioned on the other one of the right steerable front stub axle and the left steerable front stub axle of the go kart and upon the steering mechanism being turned and the impinging laser beam moving across the second target surface as a result thereof, a third measurement on the third scale and a fourth measurement on the fourth scale can be made by visual inspection, with a difference between the third measurement and the fourth measurement being an indication of the caster angle of the one of the right steerable front stub axle and the left steerable front stub axle, onto which the go kart steering measurement tool is positioned.
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이 특허에 인용된 특허 (10)
Goodell Rick B. (Watertown SD), Apparatus for determining the alignment of vehicle wheels.
Kling Michael J. (Mequon WI) Surwillo John M. (Milwaukee WI) Puetz Peter A. (Waukesha WI) Braun Robert T. (Milwaukee WI), Caster and steering axis inclination measurement technique.
Hrvallius Torgny (Skogsslingan 13 S-803 59 Gvle SEX), Method and arrangement for the measurement of wheel alignment angles in the front axle and suspension assembly of a moto.
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