Ernest Gay

US Patent:

47637358, Aug 16, 1988

Filed:

Sep 18, 1987

Appl. No.:

7/098311

Inventors:

Ernest Gay - McMinnville TN

International Classification:

A01B 4500
E21B 1908
E21B 1206

US Classification:

175161

Abstract:

A mobile machine for making holes in putting greens including a frame connected to a vehicle such as a mower, a cutter assembly mounted on a carriage slidably mounted on the frame for moving the cutter assembly in a vertical plane relative to the ground. The cutter assembly is freely pivoted to the carriage about orthogonal axes and a releasable lock mechanism is provided to hold the cutter assembly in a vertical orientation. A motor is mounted on the carriage for rotating the cutter, and the cutter assembly is detachably connected to the motor drive shaft so that the plug cut from the hole can be manually ejected into a previously formed hole where the cup has been removed. A depth gauge is provided between the frame and carriage indicating the depth of the cutter in the ground, and the carriage, lock mechanism and motor are hydraulically driven through a hydraulic circuit connected to the mower.