ClipArt ETC
This lawn mower called the cylinder in many countries, features a fixed horizontal cutting blade at the desired height of cut. Over this is a fast spinning reel of blades which force the grass past the cutting bar. Each blade in the reel forms a helix around the reel axis, and the set of spinning blades describes a cylinder.

Early Design Lawn Mower

This lawn mower called the cylinder in many countries, features a fixed horizontal cutting blade at…

Rotary lawn mowers were not developed until there were small enough and powerful enough to run the blades at high speed.

Rotary Lawn Mower

Rotary lawn mowers were not developed until there were small enough and powerful enough to run the blades…

A horse drawn harvesting machine for grain crops.

Reaping Machine

A horse drawn harvesting machine for grain crops.

A mower used for cutting hay.

Mower

A mower used for cutting hay.

A machine with a rotating blade for cutting grass.

Lawn Mower

A machine with a rotating blade for cutting grass.

This is a mechanical drawing depict the top view of a lawn mower.

Machine, Mowing

This is a mechanical drawing depict the top view of a lawn mower.