Towbar and come-along for light aircraft
First Claim
Patent Images
1. A towbar and come-along for ground handling light aircraft and the like having a ground engaging wheel free to rotate on an axle axis, and including;
- a tongue extending on a radius fromthe axle axis of the wheel,trunnion meansmounted on said tongue and pivotally attaching the tongue to the wheel axle for manipulation to tow the aircraft,a slide carried by and rotatable with the tongue,and ratchet means mounted on an end of the slide and engageable with a periphery of the wheel to rotate the wheel in one direction and rotatable 180°
with the tongue to reverse the ratchet means and rotate the wheel in the other direction,the tongue and ratchet means cooperatively forming a second class lever having its fulcrum at the axle axis of the wheel and resistance to torque at the periphery of the wheel when manual force is applied to rotate the tongue about said axle axis of the wheel.
0 Assignments
0 Petitions
Accused Products
Abstract
A towbar and come-along, especially for light aircraft, wherein a tongue is releasably attached to the axle of a nose wheel and carries a ratchet engageable with the periphery of the tire which is torqued by manipulation of a radially extended handle, acting as a second class lever which is adjustable and reversible and with anti-roll functions.
-
Citations
10 Claims
-
1. A towbar and come-along for ground handling light aircraft and the like having a ground engaging wheel free to rotate on an axle axis, and including;
-
a tongue extending on a radius from the axle axis of the wheel, trunnion means mounted on said tongue and pivotally attaching the tongue to the wheel axle for manipulation to tow the aircraft, a slide carried by and rotatable with the tongue, and ratchet means mounted on an end of the slide and engageable with a periphery of the wheel to rotate the wheel in one direction and rotatable 180°
with the tongue to reverse the ratchet means and rotate the wheel in the other direction,the tongue and ratchet means cooperatively forming a second class lever having its fulcrum at the axle axis of the wheel and resistance to torque at the periphery of the wheel when manual force is applied to rotate the tongue about said axle axis of the wheel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10)
-
-
8. The towbar and come-along as set forth in claim to 3, wherein the tongue includes a flange with diametrically opposite notches selectively engageable with a lug that is carried by the trunnion means to rotatably position the over-riding roller.
Specification