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 |
| 7165659 | Block brake device of a bogie of a rail vehicle A block brake device of a bogie of a rail vehicle containing two wheel sets with two wheels respectively as well as two brake beams each assigned to a wheel axle and extending parallel to the latter, which brake beams carry brake blocks and are mutually connected by... | 01/23/2007 |
| 6234283 | Brake beam structure A brake beam structure comprising compression and tension members having an "u" shaped cross section including two side walls and forming a housing, two end extensions having a quadrangular cross section including two side walls, a fulcrum coupled to the ... | 05/22/2001 |
| 6155388 | Brake beam A brake beam assembly comprised of a compression member with a first end and a second end, a tension member with a third end and a fourth end, a strut connected to the tension member and the compression member, a first brake head, and a second brake head.... | 12/05/2000 |
| 6155389 | Brake beam A brake beam assembly containing a compression member, a tension member, a strut connected to the tension member and the compression member, and two brake heads with recesses. The ends of the compression member and the tension member are disposed within t... | 12/05/2000 |
| 6155387 | Truck mounted brake beam and method of manufacturing A truck mounted rail brake including at least a primary beam having a center section and a pair of end sections with guide feet. The center portion may include two opposed channel elements, each having a horizontal base and two vertical walls, jointed by ... | 12/05/2000 |
| 5810124 | Brake beam A brake beam assembly containing a compression member, a tension member, a strut connected to the tension member and the compression member, and two brake heads with recesses. The ends of the compression member and the tension member are disposed within t... | 09/22/1998 |
| 4480721 | Snap-on slide bearing for recessed type guide lugs of unit brake beams A snap-on slide bearing for recessed type guide lugs of unit brake beams for mounting the unit brake beams in their railroad car truck side frame unit brake beam guide brackets, preferably in place of the conventional spring steel wear plate now generally... | 11/06/1984 |