Combined garden cultivator and lawn edger

In combination, an elongated inclined support arm including forward lower and rear upper ends, a rotary shaft member journaled from the lower end of said support arm for rotation about a horizontal transverse axis, motor support means on the other upper end of said support arm for supporting motor means including a rotatable output shaft, said support arm including rotary torque transmitting means having a first portion drivingly connected to said rotary shaft member and a second portion adjacent said other upper end of said support arm adapted to be driven by the rotatable output shaft of motor means supported from said support means, a rotary blade structure mounted on one end of said rotary shaft member to one side of said one end of said support arm, an arcuate shield panel, support means supporting said panel in position partially embracingly encircling said rotary blade structure and opening toward the latter away from said other end portion of said support arm, the rear arch end portion of said shield panel including ground engaging means for supportive contact with the ground at a level above the lower periphery of said rotary blade structure, said motor support means comprising an adjustable clamp structure for removably clamping a motor to said support arm, and an electric motor including a rotatable output shaft removably supported from said clamp structure with its output shaft generally paralleling said support arm and extending toward the lower end thereof, said rotary torque transmitting means including an elongated drive shaft generally paralleling said support arm and to which said output shaft is drivingly coupled, said rotary torque transmitting means further including a right angle gear transmission including an input shaft to which the lower end of said drive shaft is removably coupled and an output shaft assembly including said rotary shaft member, journal bearing means, mounting means supporting said journal bearing means from a longitudinal midportion of said support arm, said journal means journalling a longitudinal midportion of said drive shaft, said mounting means including means supporting said journal bearing means from said support arm for shifting of said journal bearing means toward and away from said support arm.