US 5,251,429 A · Lawn mower

Abstract

A lawn mower comprising a frame, an engine mounted on the frame, and a cutting deck removably mounted on the frame. A wheel mounting structure is pivotally connected to the frame and rear wheels are mounted on the wheel mounting structure wherein the pivotal movement of the frame with respect to the wheel mounting structure raises and lowers the frame with respect to the wheels thereby raising and lowering the cutting deck. A lever mechanism is provided for pivoting the frame with respect to the wheel mounting structure to thereby raise and lower the frame with respect to the wheel mounting structure and a rod and plurality of holes are provided for fixing the position of the frame with respect to the wheel mounting structure at any of a plurality of predetermined positions. The lawn mower has hand controls for controlling a wheel driving system with a motor coupled to each wheel, in which a cover is provided for covering the linkage between the hand controls and the wheel driving system to protect the linkage from various hazards. Further, the front wheels of the lawn mower are positioned in an area in which the rotating blades cut from front to rear to thereby provide more even cut of the grass.

Claims25

Dependent claims

A lawn mower comprising:

(a) a frame means;
(b) an engine mounted on said frame means;
(c) cutting deck means mounted on said frame means;
(d) front wheels detachably mounted on said cutting deck means;
(e) rear wheel mounting means pivotally connected to said frame means independent of said front wheels;
and
(f) rear wheels mounted on said rear wheel mounting means, wherein the pivotal movement of said rear wheel mounting means raises and lowers said frame means with respect to said rear wheels independent of said front wheels, thereby raising and lowering said cutting deck means.

4 more elements

Dependencies are inferred from the claim text.

Lawn mower

Life of this patent

Lawn mower

Life of this patent

Abstract

Claims25