| 摘要 |
A gutter broom mechanism is adapted to be carried by the frame of a mobile road or like surface sweeping machine, a gutter broom carried by a first end of an arm having a second end mounted to the frame for movement such that the gutter broom can be moved between a first elevated position generally adjacent the frame and a second lower position generally outward of the frame in brushing engagement with a surface to be swept, the arm carrying a ball joint/yoke to which a threaded bolt is connected by a first pivot pin, the bolt passes through a collar having a spherical socket receiving a spherical surface of the yoke, the threaded bolt being connected by a nut to a bracket supporting a rotary gutter broom, and the threaded bolt and nut defining a single locking mechanism for holding the gutter broom in anyone of a plurality of predetermined positions of angular adjustment relative to an associated gutter or similar surface being swept.
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