Footswitch
Force and throw transformer for actuation linkages
Force balance condition minimizer for an operating lever
Force lever attachment for hand tools
Force multiplier
Force reversing and transmitting apparatus for a parking brake s
Four quadrant control lever restraint
Friction control mechanism
Friction mechanism for control apparatus
Frictionally held control linkage for engine throttle controls a
Front fork and handle bar unit for a bicycle
Function selector knob lock