Drive axle support frame for a walk-behind, self-propelled lawn

Details Drive axle support frame for a walk-behind, self-propelled lawn Drive axle support frame for a walk-behind, self-propelled lawn

1978-12-14

1980-07-15

Love, John J.

Motor vehicles

Steered by walking attendant

56 172, 280 43, B62D 5104, A01D 3526

Patent

active

042123640

ABSTRACT:
The rear wheels of a walk-behind, self-propelled lawn mower are fixed to the opposite ends of a drive axle that is rotatably mounted in an axle support frame. The axle support frame is vertically pivotally mounted at the rear of a main frame of the mower and an adjustment mechanism is provided for holding the support frame in selected positions according to the cutting height desired. A cross-shaft is coupled to be driven from the mower engine and is mounted in the support frame, so as to extend along the axis about which the latter is pivotable, and is connected to the drive axle by gearing. A normally disengaged clutch is carried by the cross-shaft for selective engagement to complete a drive connection to the gearing. The drive axle support frame defines a protective guard or shield which extends over the clutch and gearing.

REFERENCES:
patent: 2688224 (1954-09-01), Hainke
patent: 2941610 (1960-06-01), Clemson
patent: 2996134 (1961-08-01), Muerle et al.
patent: 3388759 (1968-06-01), Plamper et al.
patent: 3411275 (1968-11-01), Mattson et al.

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