His own gorilla hands were already on a crank lever.

The Bell crank lever rotates around the Fulcrum point.

The crank lever also operated a check working against an extension of the hammer butt and raised the damper wire.

The bolt accelerator in the Lahti works by having a crank lever strike the bolt of the pistol as it unlocks from firing.

One end of the Bell crank lever is connected to the pipe 'P', the other end is connected to the spring by the tie rod.

The brazed lug tubular frame was fully sprung with quarter elliptic rear springs and 'girder' front forks with horizontal springs compressed through bell crank levers.

In this action a flexible tie fastened to the hammer butt and to a wire mounted on the crank lever has the same function as the dog spring from the 1826 double action.

The spring elbow, which consists of flexible strips and a stiff diagonal acts as a bell crank lever and causes the twisted strip to change length whenever there is a movement in the plunger.

When the pipe moves up the bell crank lever will rotate (in the clock wise direction) & the tie rod connected to spring will be pushed out thus allowing the spring to expand or relax.

The cast track driving wheel with removable sprocket ring was located in front, and the track idler with a crank lever tightener was located in the rear part of the vehicle.

The Gazelle Champion Mondial road bicycle (circa 1981), apart from its enjoyable riding experience, became renowed for its original Colrout cranks - the crank lever was at least 34 millimetres short of the standard.

This Koach was restored in the summer of 2011 with new black pearl paint, pie crust cheater slicks, new brass lantern lights, torque thrust mag wheels, smaller skull radiator cap, and had the dummy crank lever removed and sealed.

The lowering or rising of plunger will make the bell crank lever to move in forward or backward direction, and in turn, will twist or untwist the metallic strip.the centre line of strip is perforated in order to prevent excessive stress.

Thus when the pipe moves down from cold to hot condition, the point P moves down, and as it moves down the Bell crank lever will rotate in the anti clock wise direction & tie rod connected to the spring will be pulled in, by which the spring gets further compressed.