Traffic control cart
First Claim
Patent Images
1. A traffic control cart comprisinga light means (5) having at least a green, a yellow, and a red light formed thereon;
- a wheel assembly (11) including a pair of front rolling wheels (113) and a pair of rear rolling wheels (112);
a casing-like base (20) having periphery walls extending downward being securely mounted on said wheel assembly (11);
a column (3 and
4) having casing structure therein being firmly fixed on said base (20);
a gear wheel means (62) transmitted by a motor-gear set being installed in said column (3 and
4) having a central shaft (620) extending from a center thereof penetrating through a periphery face of said column (3 and
4) and having one end protruding out of said column (3 and
4);
a plurality of micro-switches being firmly fixed inside said column (3 and
4) for responding to the reciprocating of said gear wheel means (62) and actuating one of said lights; and
an arm (60) connected to said protruding end of said central shaft (620) being transmitted by said central shaft (620) and reciprocating in a ninety-degree range.
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Abstract
A traffic control cart includes a rolling wheel assembly, a base fixed on the rolling wheels, a column mounted on the base, an arm pivotally secured on one periphery wall of the column, a light device including at least a green light, a yellow light, and a red light being mounted on a top face of the column. The arm is allowed to reciprocate in a ninety-degree range from vertical position to horizontal position, in the meanwhile one color of the traffic lights is "on" thus controlling the traffic therearound.
27 Citations
7 Claims
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1. A traffic control cart comprising
a light means (5) having at least a green, a yellow, and a red light formed thereon; -
a wheel assembly (11) including a pair of front rolling wheels (113) and a pair of rear rolling wheels (112); a casing-like base (20) having periphery walls extending downward being securely mounted on said wheel assembly (11); a column (3 and
4) having casing structure therein being firmly fixed on said base (20);a gear wheel means (62) transmitted by a motor-gear set being installed in said column (3 and
4) having a central shaft (620) extending from a center thereof penetrating through a periphery face of said column (3 and
4) and having one end protruding out of said column (3 and
4);a plurality of micro-switches being firmly fixed inside said column (3 and
4) for responding to the reciprocating of said gear wheel means (62) and actuating one of said lights; andan arm (60) connected to said protruding end of said central shaft (620) being transmitted by said central shaft (620) and reciprocating in a ninety-degree range. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A traffic control cart comprising
a light means (5) having at least a green, a yellow, and a red light formed thereon; -
a wheel assembly (11) including a pair of front rolling wheels (113) and a pair of rear rolling wheels (112); a casing-like base (20) having periphery walls extending downward being securely mounted on said wheel assembly (11); a column (3 and
4) having casing structure therein being firmly fixed on said base (20);a gear wheel means (62) transmitted by a motor-gear set being installed in said column (3 and
4) having an eccentric shaft (625) extending therefrom penetrating through a periphery face of said column (3 and
4) and having one end protruding out of said column (3 and
4);a plurality of micro-switches being firmly fixed inside said column (3 and
4) for responding to the reciprocating of said gear wheel means (62) and actuating one of said lights; andan arm (60) connected to said protruding end of said eccentric shaft (625) being transmitted by said eccentric shaft (620) and reciprocating within a ninety-degree range.
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Specification