Skateboard with control unit

Claim 2

A skateboard comprising: a board having an upper surface, a lower surface, and a pair of spaced wheel and axle assemblies mounted on said lower surface to permit the board to move over a support surface, one of the assemblies having a pair of wheels; an elongated frame having a pair of opposed sides; means pivotably mounting the frame adjacent to one end thereof for pivotally mounting the frame on said one assembly to permit said sides of the frame to move into and out of engagement with respective wheels of said one assembly for applying a braking force thereto as said board moves over said support surface; a shiftable actuator accessible to the foot on the upper surface of the board; means coupling the actuator to said frame near the opposite end thereof, said coupling means permitting the frame to pivot about a pair of relatively angularly disposed axes, said actuator being shiftable for moving said frame in one direction and said sides into engagement with said wheels; and means for biasing the frame in the opposite direction.

Claim 3

A skateboard as set forth in claim 1, wherein said coupling means includes a ball and socket joint.

Claim 4

A skateboard as set forth in claim 1, wherein said coupling means includes a reciprocal stub shaft, and wherein said biasing means comprises resilient means surrounding the stub shaft for coupling the same to said frame.

Claim 5

A skateboard as set forth in claim 3, wherein said acutator has a cap at the upper end thereof, said bias means including a spring between the cap and said board.

Claim 6

In a skateboard having a board provided with an upper surface, a lower surface, and a pair of wheel and axle assemblies mounted on the lower surface thereof with one of the assemblies having a pair of wheels, a control unit comprising an elongated frame having a pair of opposed sides; means pivotably mounting said frame adjacent to one end thereof for pivotally mounting the frame on said one assembly to permit the sides of the frame to move into and out of engagement with respective wheels of said one assembly for applying braking forces to said wheel; an actuator adapted to be carried on said board at a location accessible to the upper surface thereof; means coupling the actuator to said frame near the opposite end thereof, said coupling means permitting the frame to pivot about a pair of relatively angularly disposed axes, said actuator being shiftable for moving said frame in one direction and into engagement with said wheel when said frame is coupled to said one assembly; and means coupled with said frame for biasing the same in the opposite direction when said frame is coupled to said one assembly.

Claim 7

In a skateboard having a board provided with an upper surface, a lower surface, and a pair of wheel and axle assemblies mounted on the lower surface thereof with one of the assemblies having a pair of wheels, a control unit comprising an elongated frame having a pair of opposed sides; means pivotably mounting said frame adjacent to one end thereof for pivotally mounting the frame on said one assembly to permit the sides of the frame to move into and out of engagement with respective wheels of said one assembly for applying braking forces to said wheel; an actuator adapted to be carried on said board at a location accessible to the upper surface thereof; means coupling the actuator to said frame near the opposite end thereof, said coupling means permitting the frame to pivot about a pair of relatively angularly disposed axes, said actuator being shiftable for moving said frame in one direction and into engagement with said wheel when said frame is coupled to said one assembly; and means coupled with said frame for biasing the same in the opposite direction when said frame is coupled to said one assembly.

Claim 8

A skateboard as set forth in claim 5, wherein said coupling means includes a ball and socket joint.

Claim 9

A skateboard as set forth in claim 5, wherein said coupling means includes a reciprocal stub shaft, and wherein said biasing means comprises resilient means surrounding the stub shaft for coupling the same to said frame.

Claim 10

A skateboard as set forth in claim 5, wherein said actuator has a cap at the upper end thereof, said bias means including a spring between the cap and said board.

Claim 11

A skateboard comprising: a board having an upper surface, a lower surface, and a pair of spaced wheel and axle assemblies mounted on said lower surface to permit the board to move over a support surface, one of said assemblies having a pair of wheels, a frame having a pair of opposed sides in vertical alignment with respective wheels of said one assembly; means on said frame for defining a pair of opposed slots thereon with the slots extending fore and aft relative to the longitudinal axis of the board; a transversely extending mounting shaft; means coupling the mounting shaft to said one assembly, said mounting shaft having a pair of opposed ends shiftably and pivotably received within respective slots to permit said sides of the frame to move into and out of engagement with the wheels of said one assembly for applying a braking force thereto as said board moves over said support surface; an actuator accessible to the foot on the upper surface of the board and connected to said frame for moving said frame in one direction and into engagement with said wheel; and means coupled with said frame for biasing the same in the opposite direction.

Claim 12

A skateboard comprising: a board having an upper surface, a lower surface, and a pair of spaced wheel and axle assemblies mounted on said lower surface to permit the board to move over a support surface, one of said assemblies having a pair of wheels, a frame having a pair of opposed sides in vertical alignment with respective wheels of said one assembly; means on said frame for defining a pair of opposed slots thereon with the slots extending fore and aft relative to the longitudinal axis of the board; a transversely extending mounting shaft; means coupling the mounting shaft to said one assembly, said mounting shaft having a pair of opposed ends shiftably and pivotably received within respective slots to permit said sides of the frame to move into and out of engagement with the wheels of said one assembly for applying a braking force thereto as said board moves over said support surface; an actuator accessible to the foot on the upper surface of the board and connected to said frame for moving said frame in one direction and into engagement with said wheel; and means coupled with said frame for biasing the same in the opposite direction.

Claim 13

A skateboard as set forth in claim 9, wherein said means coupling the mounting shaft includes means releasably attaching said mounting shaft on said one wheel and axle assembly.

Claim 14

In a skateboard having a board provided with an upper surface, a lower surface, and a pair of wheel and axle assemblies mounted on the lower surface thereof, with one of the assemblies having a pair of wheels, a control unit comprising: a frame having a pair of opposed sides and means on the frame for defining a pair of opposed slots; a transversely extending mounting shaft; means coupled to said mounting shaft for connecting the same to said one assembly, said mounting shaft having a pair of opposed ends shiftably and pivotably received within respective slots, the latter extending fore and aft relative to the board when said mounting shaft is connected to said one assembly to permit the sides of the frame to move into and out of engagement with the wheels of said one assembly for applying braking forces on said wheel; an actuator adapted to be carried on said board and connected to said frame at a location accessible to the upper surface thereof for moving said frame in one direction and said sides into engagement with said wheels; and means for biasing the frame in the opposite direction when said mounting shaft is coupled to said one assembly.

Claim 15

In a skateboard having a board provided with an upper surface, a lower surface, and a pair of wheel and axle assemblies mounted on the lower surface thereof, with one of the assemblies having a pair of wheels, a control unit comprising: a frame having a pair of opposed sides and means on the frame for defining a pair of opposed slots; a transversely extending mounting shaft; means coupled to said mounting shaft for connecting the same to said one assembly, said mounting shaft having a pair of opposed ends shiftably and pivotably received within respective slots, the latter extending fore and aft relative to the board when said mounting shaft is connected to said one assembly to permit the sides of the frame to move into and out of engagement with the wheels of said one assembly for applying braking forces on said wheel; an actuator adapted to be carried on said board and connected to said frame at a location accessible to the upper surface thereof for moving said frame in one direction and said sides into engagement with said wheels; and means for biasing the frame in the opposite direction when said mounting shaft is coupled to said one assembly.

Claim 16

A skateboard as set forth in claim 4, wherein said means coupled to said mounting shaft includes means releasably attaching said mounting shaft on said one wheel and axle assembly.

Claim 17

A skateboard comprising: a board having an upper surface, a lower surface, and a pair of spaced wheel and axle assemblies, there being a hole through the board at a location adjacent to and forwardly of the rear wheel and axle assembly, each assembly having a pair of wheels; a frame having a pair of spaced opposed sides above and in vertical alignment with respective wheels of said rear wheel and axle assembly; means pivotally mounting said frame on said rear wheel and axle assembly to permit said sides to move into and out of engagement with respective wheels to apply braking forces thereto; a stub shaft extending through said hole and projecting above said upper surface of the board; means biasing said stub shaft upwardly; and a ball and socket joint pivotally coupling the lower end of the stub shaft with said frame to cause the latter to pivot downwardly to urge said sides into engagement with respective wheels when the stub shaft is depressed by the foot disposed on said upper surface of the board.

Claim 18

A skateboard comprising: a board having an upper surface, a lower surface, and a pair of spaced wheel and axle assemblies, there being a hole through the board at a location adjacent to and forwardly of the rear wheel and axle assembly, each assembly having a pair of wheels; a frame having a pair of spaced opposed sides above and in vertical alignment with respective wheels of said rear wheel and axle assembly; means pivotally mounting said frame on said rear wheel and axle assembly to permit said sides to move into and out of engagement with respective wheels to apply braking forces thereto; a stub shaft extending through said hole and projecting above said upper surface of the board; means biasing said stub shaft upwardly; and a ball and socket joint pivotally coupling the lower end of the stub shaft with said frame to cause the latter to pivot downwardly to urge said sides into engagement with respective wheels when the stub shaft is depressed by the foot disposed on said upper surface of the board.