| Patent Number |
Title Of Patent |
Date Issued |
| D335674 |
Combined housing and handle assembly for a line trimmer |
May 18, 1993 |
|
| D332455 |
Combined housing and handle assembly for a line trimmer |
January 12, 1993 |
|
| D331930 |
Cutting head assembly for a line trimmer |
December 22, 1992 |
|
| 5181369 |
Battery powered line trimmer |
January 26, 1993 |
| A battery powered line trimmer possessing a relatively high ratio of mass moment of inertia about a vertical axis extending through its center of gravity to mass. The device comprising a motor and head assembly at the forward end and a rechargeable battery pack at the rearward end of a |
| 5109607 |
Automatic line trimmer head |
May 5, 1992 |
| A line trimmer head 10 for a vegetation cutter having an automatic line feed mechanism which replenishes the line 19 as a result of changes in centrifugal force. The line trimmer head 10 comprises a reel housing 14 which rotates with a shaft 12. A spool 18 containing a supply of line 19 |
| 5076149 |
Wrist pin, piston assembly and method for making same |
December 31, 1991 |
| A piston assembly is disclosed having a wrist pin for pivotably attaching a connecting rod to a piston for use in an internal combustion engine. The wrist pin is formed from an elongated circular cylindrical body having a pair of deformable sections formed adjacent each end and a relativ |
| 5060384 |
Automatic head for a line trimmer |
October 29, 1991 |
| An automatic line trimmer head 10 including a housing 11 containing a rotor 12 which controls rotation of a spool 16 relative to the housing in a stepwise fashion which is actuated by centrifugal force. Centrifugal force acts upon a radially expansible annular member 14 which is disposed |
| 5003662 |
Connector for a convertible blower-vacuum |
April 2, 1991 |
| A connector is provided for releaseably fastening a vacuum pipe to the body of an implement which is convertible between a blower and vacuum mode. The vacuum pipe is adapted to attach to an intake port formed in the body of the implement. The vacuum pipe is provided with a collar having |
| 4984669 |
Drum assembly for a centrifugal clutch |
January 15, 1991 |
| A drum assembly for a centrifugal clutch which is rotatable about an axis of rotation is disclosed. The drum assembly has a generally cylindrical drum having an open end with a peripheral interior circular track extending concentrically around the axis. The circular track is to be en |
| 4976093 |
Brake system for rotary cutters and trimmers |
December 11, 1990 |
| A brake system for a vegetation cutter. The cutter has a boom with a proximal end and a distal end. A working head is rotatably mounted to the distal end, and a power source such as a gasoline engine, is mounted at the proximal end. A clutch is interposed between the power source and a |