Corn-picking machine

Claim 2

A corn-picking machine, comprising picking rollers, a shedding ledge located above each of said picking rollers, said picking rollers and shedding ledges being mounted pivotally at their rear ends when viewed in the moving direction, and said shedding ledges being pivotal relative to said picking rollers, means for disengageably connecting the front ends of said picking rollers and a corresponding of said shedding ledges with each other, a front bearing means for each picking roller, support means for said front bearing of each picking roller including a pivoting means for pivoting said support means together with the corresponding shedding ledge, and a common driving means for operating said pivoting means of all of said picking rollers.

Claim 3

A corn-picking machine comprising picking rollers, a shedding ledge located above each of said picking rollers, said picking rollers and shedding ledges being mounted pivotally at their rear ends when viewed in the moving direction, and said shedding ledges being pivotal relative to said picking rollers, means for disengageably connecting the front ends of said picking rollers and a corresponding of said shedding ledges with each other, a front bearing means for each picking roller, support means for said front bearing of each picking roller including a pivoting means for pivoting said support means together with the corresponding shedding ledge, and a common driving means for operating said pivoting means of all of said picking rollers, said pivoting means comprises a threaded spindle engaging said support means, guides in which said support means is movable, a revolving bevel wheel or a chain wheel having axial screw borings operatively attached to said threaded spindle, a stationary stop, a spring disposed between said stationary stop and said support means, and said bevel wheel Or chain wheel is propped against said stationary stop by means of said spring.

Claim 4

A corn-picking machine comprising picking rollers, a shedding ledge located above each of said picking rollers, said picking rollers and shedding ledges being mounted pivotally at their rear ends when viewed in the moving direction, and said shedding ledges being pivotal relative to said picking rollers, means for disengageably connecting the front ends of said picking rollers and a corresponding of said shedding ledges with each other, a front bearing means for each picking roller, support means for said front bearing of each picking roller including a pivoting means for pivoting said support means together with the corresponding shedding ledge, and a common driving means for operating said pivoting means of all of said picking rollers, said pivoting means comprises a threaded spindle engaging said support means, guides in which said support means is movable, a revolving bevel wheel or a chain wheel having axial screw borings operatively attached to said threaded spindle, a stationary stop, a spring disposed between said stationary stop and said support means, and said bevel wheel Or chain wheel is propped against said stationary stop by means of said spring.

Claim 5

The corn-picking machine as set forth in claim 2, further comprising a camshaft, tooth gears or chain gears operatively connecting said bevel wheel or chain wheel, respectively, to said camshaft, and means for turning said camshaft.

Claim 6

The corn-picking machine, as set forth in claim 2, further comprising a camshaft, two friction discs located on said camshaft at a distance from each other, means for moving said friction discs, a stationary, rotating friction cylinder means located between said two friction discs in a radial and parallel arrangement therewith for providing a common drive for said bevel wheel or chain wheel, and a feeding cylinder means of said corn-picking machine for driving said friction cylinder.

Claim 7

The corn-picking machine as set forth in claim 1, further comprising threaded bolts provided on said support means of said picking rollers, said shedding ledges are formed with longitudinal slots into which said threaded bolts penetrate, and nuts disposed on said threaded bolts for securing said shedding ledges on said support means.

Claim 8

The corn-picking machine, as set forth in claim 3, wherein said turning means is a handcrank.

Claim 9

The corn-picking machine, as set forth in claim 4, wherein said moving means comprises a switch gear provided in a driver cabin.