Cyril A Ryan

age ~90

from Palm Springs, CA

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High Brush Mower
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US Patent:

56009437, Feb 11, 1997
Filed:

Sep 29, 1995
Appl. No.:

8/536368
Inventors:

Cyril A. Ryan - Palm Springs CA
International Classification:

A01D 3466
A01D 3473
A01D 3482
A01D 3483
US Classification:

56 136
Abstract:

A mower suitable for cutting high grass, brush, and like growth. The mower has a plurality primary cutting elements disposed ahead of a secondary cutting element. The primary cutting elements is that which first contacts growth, cutting this growth to a predetermined height. The secondary cutting element follows the primary cutting element, contacting the cut growth and cutting the same to a final, predetermined height less than that obtained by the first cut. The primary cutting elements are preferably unencumbered by a hood or guard, but preferably are partially encircled or surrounded at the front and sides by a bumper. The bumper prevents the mower from attempting to run over or cut rigid, immovable objects, such as trees, curbs, large stones, and the like. The primary and secondary cutting elements may be a singular element or plural elements arranged abreast of one another. The cutting elements may be rigid blades or flexible members, such as stranded metal, synthetic resin cords, or chains.

Balanced Reciprocating, Brush Cutting, Mower Attachment
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US Patent:

63147076, Nov 13, 2001
Filed:

Jan 6, 2000
Appl. No.:

9/478345
Inventors:

Cyril A. Ryan - Palm Springs CA
International Classification:

A01D 3453
US Classification:

56246
Abstract:

A reciprocating, brush cutting attachment for a vehicle such as a riding lawn mower. The attachment is in the form of a sickle head having a bottom support plate that acts as a frame for the sickle head. Two top blades reciprocate back and forth on top of the support plate, one on each side. The bottom support plate and the two top blades all include front blade edges having a plurality of teeth. As the top blades move back and forth, vegetation between the teeth is cut. The prime advantage of the sickle head of the present invention is the reduction of vibrations achieved by continuously driving the colinear top blades in opposite directions with respect to each other.