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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7284308 | Method for manufacturing a leaf spring Leaf springs have improved durability in spite of using inexpensive spring steel such as SUP9 and SUP11 as materials. While a spring main body, made of the spring steel in which Brinell hardness is under 555 HBW and not less than 388 HBW (corresponding to a diameter... | 10/23/2007 |
| 7147236 | Suspension In order to provide a suspension which is inexpensive and light in weight and which can attain substantially improved vehicle-riding comfort without lowering drivability, an axle is hanged from a chassis side (side rails) by resilient supports (leaf and air springs)... | 12/12/2006 |
| 6257606 | Axle seat restraint, axle assembly and method A spring movement limiting device that limits lateral shift of a spring in a vehicle suspension along a vehicle axle direction includes a first element and a second element. The first element is coupled to the axle and to the spring. The second element is... | 07/10/2001 |
| 5248130 | Vehicle leaf spring with irradiated center for crack diversion A vehicle suspension member such as leaf spring (50) is provided having at least one plate (3) having an irradiation exposed region (R) therein that is generally parallel to a longitudinal axis ("L/A") extending between opposite ends of plate (3) and oper... | 09/28/1993 |
| 5244189 | Vehicle leaf spring with a longitudinal discontinuity for crack propagation A vehicle suspension member such as a leaf spring (50) is provided comprising at least one composite leaf or plate (2) having a second layer (12) sandwiched within a first layer (10) in such a manner as to provide at least one discontinuity therein effect... | 09/14/1993 |
| 5137300 | Vehicle suspension with auxiliary leaf spring and squat control system Selectively engagable auxiliary leaf springs (38) for vertically supporting a vehicle chassis (32) on an axle assembly (22) in parallel with main suspension springs (34). Forward and rear ends (38b, 38a) of the auxiliary leaf springs are pivotally attache... | 08/11/1992 |
| 5129671 | Vehicle suspension with auxiliary leaf spring with load control system Selectively engagable auxiliary leaf springs (38) for vertically supporting a vehicle chassis (32) on an axle assembly (22) in parallel with main suspension springs (34). Forward and rear ends (38b, 38a) of the auxiliary leaf springs are pivotally attache... | 07/14/1992 |
| 4070037 | Suspension for vehicles A suspension for a vehicle frame wherein there are two elongated mutually crossing cantilever arms on each side of the frame, two of the arms being pivoted to the frame near its front and carrying drive wheels at their rear ends, and two other arms being ... | 01/24/1978 |
