# US 8,740,234 B2 · Suspension of vehicle wheel for rough terrain driving > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,740,234 B2 - Document ID: US8740234B2 - Status: Granted - Kind: B2 - Application number: 13/382,589 - Filed: 2010-07-09 - Published: 2012-05-17 - Granted: 2014-06-03 - Earliest claimed: 2009-07-09 - Assignees: Technicka Univerzita V Liberci - Applicants: Miroslav Sir - Inventors: Miroslav Sir - Web page: https://patentgrep.com/patent/US8740234B2 ## CPC - B60G 11/16: characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle - B60G 2202/12: Wound spring - B60G 2204/4192: rack and pinion - B60G 2204/4504: using cable or band to prevent extension - B60G 2206/10: Constructional features of arms - B60G: VEHICLE SUSPENSION ARRANGEMENTS (air-cushion vehicles B60V; {cycle suspensions B62K25/00}) ## Abstract The present disclosure relates to the suspension (1, 6, 7, 8, 9) of the wheel (3) of vehicle, especially of vehicle for rough terrain driving, including the helical spring (11, 65, 71, 81, 91) arranged between two members of suspension (1, 6, 7, 8, 9) of the wheel (3). Hereat one end of the spring (11, 65, 71, 81) is coupled with moveable member (2) of suspension (1, 6, 7, 8) of the wheel (3), and the second end of spring (11, 65, 71, 81) is coupled with the controlled member (102) of rolling kinematic couple, whose rolling surface engages with convex rolling surface (5) of controlling member (101) of rolling kinematic couple, which is mounted on the basic member (4) of suspension (1, 6, 7, 8) of the wheel (3). Or one end of the spring (91) is coupled with the basic member (4) of suspension (9) of the wheel (3), and the second end of the spring (91) is coupled with the controlled member (102) of rolling kinematic couple, whose rolling surface engages with convex rolling surface (5) of the controlling member (101) of the rolling kinematic couple, which is mounted on the moveable member (2) of suspension (9) of the wheel (3). ## Claims ### Claim 1 A suspension of a wheel of a vehicle, comprising a basic member formed by a part of a vehicle chassis, a moveable member formed by a swinging arm of the suspension of the wheel, and a helical spring; the suspension further comprises a rolling kinematic couple, the rolling kinematic couple having a controlled member formed by a first elongated body, the first elongated body having a rolling surface engaging with a convex rolling surface of a controlling member of the rolling kinematic couple, the convex rolling surface being mounted on the basic member of the suspension of the wheel and; one end of the helical spring is coupled with the moveable member of the suspension of the wheel, and a second end of the helical spring is coupled with the controlled member of the rolling kinematic couple, the helical spring being mounted inside a second elongated body, the controlled member extending from one end of the second elongated body. ### Claim 2 A suspension of a wheel of a vehicle, comprising a basic member formed by a part of a vehicle chassis, a moveable member formed by a swinging arm of the suspension of the wheel, and a helical spring; the suspension further comprises a rolling kinematic couple, the rolling kinematic couple having a controlled member formed by a first elongated body, the first elongated body having a rolling surface engaging with a convex rolling surface of a controlling member of the rolling kinematic couple, the convex rolling surface being mounted on the moveable member of the suspension of the wheel; and one end of the helical spring is coupled with the basic member of the suspension of the wheel, and the second end of the helical spring is coupled with the controlled member of the rolling kinematic couple, the helical spring being mounted inside a second elongated body, the controlled member extending from one end of the second elongated body. ### Claim 3 (depends on 1) The suspension according to claim 1, wherein the controlling member of the rolling kinematic couple is fixedly mounted on the basic member of the suspension. ### Claim 4 (depends on 1) The suspension according to claim 1, wherein the controlling member of the rolling kinematic couple is movably mounted on the basic member of the suspension. ### Claim 5 (depends on 2) The suspension according to claim 2, wherein the controlling member of the rolling kinematic couple is fixedly mounted on the moveable member of the suspension. ### Claim 6 (depends on 2) The suspension according to claim 2, wherein the controlling member of the rolling kinematic couple is movably mounted on the moveable member of the suspension. ### Claim 7 (depends on 4) The suspension according to claim 4, wherein the controlling member of the rolling kinematic couple is coupled with another member of the suspension of the wheel for generating its motion with respect to the basic member of the suspension. ### Claim 8 (depends on 4) The suspension according to claim 4, wherein the controlling member of the rolling kinematic couple is coupled with individual propulsion serving to generate its motion with respect to the basic member of the suspension. ### Claim 9 (depends on 8) The suspension according to claim 8, wherein the individual propulsion serving to generate motion of the controlling member of the rolling kinematic couple is controlled by a system of automatic control of stabilised position of vehicle parts coupled with the basic member. ### Claim 10 (depends on 1) The suspension according to claim 1, wherein the controlled member of the rolling kinematic couple is a rack, a rolling surface of the rack engages with the convex rolling surface of the controlling member of the rolling kinematic couple, wherein the convex rolling surface is a toothed surface. ### Claim 11 (depends on 1) The suspension according to claim 1, wherein the controlled member of the rolling kinematic couple is a flexible member, the flexible member having a rolling surface engaging with the convex rolling surface of the controlling member of the rolling kinematic couple, wherein a surface shape corresponding to the convex rolling surface corresponds to a surface shape corresponding to the rolling surface of the flexible member and the flexible member with its end is attached to the convex rolling surface of the controlling member. ### Claim 12 (depends on 10) The suspension according to claim 10, wherein mutual tangential positions of the rolling surface of the controlled member of the rolling kinematic couple and of the convex rolling surface of the controlling member of the rolling kinematic couple are secured through a linear guidance. ### Claim 13 (depends on 6) The suspension according to claim 6, wherein the controlling member of the rolling kinematic couple is coupled with another member of the suspension of the wheel for generating motion of the controlling member with respect to the moveable member of the suspension. ### Claim 14 (depends on 6) The suspension according to claim 6, wherein the controlling member of the rolling kinematic couple is coupled with individual propulsion serving to generate motion of the controlling member with respect to the moveable member of the suspension. ### Claim 15 (depends on 14) The suspension according to claim 14, wherein the individual propulsion serving to generate motion of the controlling member of the rolling kinematic couple is controlled by a system of automatic control of stabilised position of vehicle parts coupled with the basic member. ### Claim 16 (depends on 11) The suspension according to claim 11, wherein mutual tangential positions of the rolling surface of the controlled member of the rolling kinematic couple and of the convex rolling surface of the controlling member of the rolling kinematic couple are secured through a linear guidance. ### Claim 17 (depends on 1) The suspension according to claim 1, wherein the moveable member is formed by the second elongated body. ### Claim 18 (depends on 1) The suspension according to claim 1, wherein the second elongated body is moveable. ### Claim 19 (depends on 2) The suspension according to claim 2, wherein the second elongated body is moveable. ### Claim 20 A suspension of a wheel of a vehicle, comprising a basic member formed by a part of a vehicle chassis, a moveable member formed by a swinging arm of the suspension of the wheel, and a helical spring; the suspension further comprises a rolling kinematic couple, the rolling kinematic couple having a controlled member formed by an elongated body, the elongated body having a rolling surface engaging with a convex rolling surface of a controlling member of the rolling kinematic couple, the controlling member is mounted on the basic member of the suspension of the wheel; and one end of the helical spring is coupled with the moveable member of the suspension of the wheel, and a second end of the helical spring is coupled with the controlled member of the rolling kinematic couple, the helical spring being inserted between a fixed support of the helical spring and a shifting support of the helical spring, the controlled member extending from the shifting support and extending away from the helical spring.