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    • 1. 发明授权
    • Caster wheel braking systems
    • 脚轮制动系统
    • US09168785B2
    • 2015-10-27
    • US14163738
    • 2014-01-24
    • Hamilton Caster & Manufacturing Company
    • Yefim Spektor
    • B60B33/00
    • B60B33/0081B60B33/00B60B33/0018B60B33/0049B60B33/0068B60B33/0076B60B33/0078B60B33/0086B60B33/0089B60B33/0092B60B2200/20B60B2200/43B60B2900/531B62B3/00B62B5/0438Y10T16/18Y10T16/191Y10T16/195
    • A caster wheel braking system for braking rotation of a caster wheel includes a caster having a caster plate, a horn base coupled with the caster plate and rotatable about a vertical axis, a pair of legs extending downwardly from the horn base, and at least one caster wheel coupled with the pair of legs and rotatable about a horizontal axis defined by a wheel axle. A mounting plate is spaced from the caster by a spacer. A movable plunger is disposed between the caster plate and the mounting plate and is horizontally movable through a slot provided in the spacer. A brake shoe is vertically movable by the movable plunger between a non-braking position in which the at least one caster wheel is permitted to rotate and a braking position in which the brake shoe exerts a braking force on the at least one caster wheel to at least partially hinder rotation of the at least one caster wheel. A pin may be coupled with the movable plunger and be configured to convert horizontal movement of the movable plunger to vertical movement of the brake shoe. Additionally, a biasing element may be provided adjacent to the brake shoe and be configured to bias the brake shoe toward the non-braking position or the braking position. One or more of the caster wheel braking systems may be provided on a transport vehicle configured to move along a ground surface.
    • 用于制动脚轮的旋转的脚轮制动系统包括具有脚轮板的脚轮,与脚轮板连接的喇叭基座并可围绕垂直轴线旋转,从喇叭座向下延伸的一对腿以及至少一个 与所述一对腿连接并且能够围绕由轮轴限定的水平轴线旋转的脚轮。 安装板通过间隔件与脚轮间隔开。 可动柱塞设置在脚轮板和安装板之间,并且能够通过设置在间隔件中的槽水平移动。 制动蹄可以通过可动柱塞在允许至少一个脚轮之间转动的非制动位置和制动位置之间垂直移动,其中制动蹄在至少一个脚轮上施加制动力到 至少部分地阻碍所述至少一个脚轮的旋转。 销可以与可移动柱塞联接,并且被构造成将可动柱塞的水平运动转换成制动瓦的垂直运动。 另外,偏置元件可以设置成与制动蹄相邻,并且被构造成朝向非制动位置或制动位置偏压制动蹄。 脚轮轮制动系统中的一个或多个可以设置在配置成沿着地面移动的运输车辆上。
    • 3. 发明授权
    • Wheel construction and arrangement
    • 车轮结构和布置
    • US4331343A
    • 1982-05-25
    • US153216
    • 1980-05-27
    • Willis G. Groth
    • Willis G. Groth
    • B60B19/00B60G11/14B62D53/08B66C23/84B62D21/00
    • B60B33/0021B60B33/0039B60B33/0049B60B33/0052B60B33/0055B60B33/0076B60G11/14B62D53/0864B66C23/84B60B2310/302B60Y2200/60
    • A wheel construction and arrangement wherein a wheel which has a relatively wide surface contact tire, pneumatic, for example, is mounted for rotation in a yoke which extends in the direction of travel of the vehicle which the wheel supports. The yoke is tiltable on a substantially horizontal axis which extends below the wheel axis and relatively close to the supporting surface. Lateral displacement of the body to which the yoke (and wheel) is attached will cause the wheel to tilt in that direction and any subsequent longitudinal motion in either direction of wheel travel will result in the wheel righting itself; i.e., correcting for that displacement. Conversely, tilting of the yoke and wheel to a certain degree will cause the wheel to travel in a precisely prescribed arc. The vertical plane in which the tilt axis lies passes through the area of tire contact with the supporting surface regardless of the angle of tilt.
    • 一种车轮结构和装置,其中具有相对宽的表面接触轮胎(例如气动的)的轮子被安装成用于在车轮支撑的车辆的行进方向上延伸的轭中旋转。 磁轭可在基本上水平的轴线上倾斜,该轴线在车轮轴线下方延伸并且相对靠近支撑表面。 轭架(和车轮)所附接的身体的侧向位移将导致车轮在该方向上倾斜,并且任何随后的车轮行进方向上的纵向运动将导致轮子自身弯曲; 即校正该位移。 相反,轭和车轮在一定程度上的倾斜将导致车轮以精确规定的电弧行进。 倾斜轴所在的垂直平面通过与支撑表面接触的轮胎区域,而与倾斜角无关。
    • 6. 发明授权
    • Hollow wheel set
    • 空心轮组
    • US08549705B1
    • 2013-10-08
    • US13547811
    • 2012-07-12
    • Chen-Chuan Wu
    • Chen-Chuan Wu
    • A47B91/06B60B33/00
    • B60B37/10A45C2005/148B60B33/0028B60B33/0039B60B33/0049B60B33/0057B60B33/0068B60B33/0076B60B2200/45B60B2900/111B60B2900/113B60B2900/115Y10T16/184Y10T16/201Y10T16/204
    • A hollow wheel set, comprising mainly a wheel rack, a hollow rotation wheel, a restricting sleeve, and a restricting and fastening ring. The wheel rack includes a fixing arm, on said fixing arm is provided with a wheel fork. The hollow rotation wheel is sleeved onto the wheel fork. One end of the restricting sleeve is a sleeve connection portion, while the other end is a ring-shape blocking portion. The sleeve connection portion is sleeved and fixed on the outer perimeter of the wheel fork, and is located between the wheel fork and the hollow rotation wheel. The ring-shape blocking portion is on a side of the hollow rotation wheel. The restricting and fastening ring is fastened around outer perimeter of the wheel fork, and is locate on the other side of the hollow rotation wheel, to reduce size and weight of the hollow wheel set.
    • 一种空心轮组,其主要包括轮架,中空旋转轮,限制套和限制和紧固环。 车轮架包括固定臂,在所述固定臂上设置有轮叉。 空心旋转轮套在车轮叉上。 限制套筒的一端是套筒连接部分,而另一端是环形阻挡部分。 套筒连接部分套筒固定在轮叉的外周上,位于轮叉和中空转轮之间。 环形阻挡部位在中空旋转轮的一侧。 限制和紧固环紧固在轮叉的外周边,并且位于中空旋转轮的另一侧,以减小中空轮组的尺寸和重量。