Ernest J Griffin

US Patent:

43410600, Jul 27, 1982

Filed:

Feb 2, 1981

Appl. No.:

6/230807

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A01D 5000
A01D 35262

US Classification:

56 175

Abstract:

A wheeled platform is provided with a centrally located aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; pivoted arms are mounted on the platform to extend along or across the aperture to engage and hold the housing in position in the aperture on the platform; locking devices are provided on the top of the platform to grasp the ends of the arms to hold them in a closed position; a telescoping handle is pivotally mounted on one end of the platform on the top side thereof.

US Patent:

44281838, Jan 31, 1984

Filed:

Aug 25, 1981

Appl. No.:

6/296003

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A01D 3512
A01D 6700

US Classification:

56 172

Abstract:

Carriage for grass trimming device of the type having a rotating cutting element in the form of a length of cord comprises a platform and mounting wheels for moving platform over ground, front wheels being telescopically mounted for extension in a longitudinal and transverse direction, front and rear wheels having eccentric axles so that the carriage height above the ground can be varied, and a clamping structure including a retaining arm having engageable ends for engaging with pivotable clamps for securely and releasably holding the trimming device on the carriage.

US Patent:

42877091, Sep 8, 1981

Filed:

Feb 6, 1980

Appl. No.:

6/119176

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A01G 306

US Classification:

56 169

Abstract:

A wheeled platform is provided with a centrally located aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; pivoted arms are mounted on the platform to extend along or across the aperture to engage and hold the housing in position in the aperture on the platform; locking devices are provided on the top of the platform to grasp the ends of the arms to hold them in a closed position; a telescoping handle is pivotally mounted on one end of the platform on the top side thereof.

US Patent:

43898360, Jun 28, 1983

Filed:

Jul 8, 1981

Appl. No.:

6/281421

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A01G 306

US Classification:

56 127

Abstract:

A wheeled platform is provided with a centrally located aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; coupling members are provided on the platform around the aperture and on the trimming device or on a flange member which is attachably connected to the grass trimming device such that the coupling members on the platform portion are offset at a predetermined angular distance from those on, for example, the flange member; the coupling members can be interengaged by orienting the trimming device or the flange member equal to the offset predetermined angular distance and rotated to align with the central longitudinal axis of the platform.

US Patent:

43431399, Aug 10, 1982

Filed:

Apr 8, 1981

Appl. No.:

6/252221

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A01G 306

US Classification:

56 169

Abstract:

A wheeled platform is provided with a centrally located aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; pivoted arms are mounted on the platform to extend along or across the aperture to engage and hold the housing in position in the aperture on the platform; locking devices are provided on the top of the platform to grasp the ends of the arms to hold them in a closed position; a telescoping handle is pivotally mounted on one end of the platform on the top side thereof.

US Patent:

44111266, Oct 25, 1983

Filed:

Feb 26, 1982

Appl. No.:

6/353002

Inventors:

Joseph M. Lowry - Richmond VA
Ernest E. Griffin - Richmond VA

International Classification:

A16

US Classification:

56 175

Abstract:

A wheeled carriage frame has a platform provided with an aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; the platform has a releasable clamping arm for holding the motor housing in position on the platform; the platform is slidably mounted on the wheeled frame between the front and rear of the frame and gripping devices are provided for holding the platform in a desired position on the frame; the lateral width of the front and rear wheels of the frame are adjustable, as well as the height of the frame, relative to the ground by adjustable axles.