| Patent Number |
Title Of Patent |
Date Issued |
| D247619 |
Rechargeable battery pack |
March 28, 1978 |
|
| 4084123 |
Cordless electric devices having rechargeable battery pack(s) |
April 11, 1978 |
| A family of cordless electric tools and devices is adapted to use one or more identical rechargeable battery packs and each pack is adapted to interchangeably fit into a pocket or any one of a plurality of pockets in the tool or device in which the pack is employed. The battery pack is |
| 3973378 |
Cordless grass trimmer having removable battery pack |
August 10, 1976 |
| An upright cordless grass trimmer incorporated incoporates fixed multi-toothed bottom blade and plural sets of top blades which oscillate over the bottom blade to achieve cutting. The sets of top blades are driven by a motor through a gear and cam mechanism and are synchronized so th |
| 3934340 |
Cutting blade edge construction for mechanically actuated shears |
January 27, 1976 |
| Pairs of planar cutting blades with angularly related cutting edges such as are used in grass shears, and the like, and which are mechanically actuated to move relative to each other and to cut by a scissors-like action are formed in a manner such that during each cutting action the |
