Movable or removable closures – With traffic director or controller; e.g. – one-way
Patent
1977-04-04
1979-01-16
Downey, Kenneth
Movable or removable closures
With traffic director or controller; e.g., one-way
49104, 49131, 272 4, E01F 1300
Patent
active
041342305
ABSTRACT:
A starting gate for motorcycle racing of the moto-cross type including a plurality of individual U-shaped members each of which can be raised to a cocked position ahead of the front wheel of a racing motorcycle, a camming device for maintaining the member in cocked position and permitting the release of the member to allow it to drop by gravity towards and out of the way of the motorcycle, and an actuator frame having an interconnection for positioning the camming device to cock the member and means for cocking and releasing the camming device, the construction permitting the addition of a number of U-shaped members extending in either direction from the actuator frame to accommodate the starting of a variable number of racing motorcycles.
REFERENCES:
patent: 1531987 (1925-03-01), Smith
patent: 3994491 (1976-11-01), Mascotte et al.
Downey Kenneth
Lipes, Jr. Russell M.
LandOfFree
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