Harvesters – Motorized harvester – Having fluid-pressure or stored-energy motor
Patent
1975-03-18
1976-08-10
Eskovitz, J.N.
Harvesters
Motorized harvester
Having fluid-pressure or stored-energy motor
30218, 30DIG1, 56 136, 56 176, 56246, A01D 5526
Patent
active
039733785
ABSTRACT:
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 that one top blade set cuts at a different time in the cycle from the other set to achieve a counterbalancing and load leveling effect. A clutch mechanism absorbs abrupt blade stoppage and shock situations and a rechargeable battery pack is releasably received by an elevated cavity in a shroud which mounts over the motor and drive mechanism. An upright handle and electrical control means are attached to the trimmer which allows the operator to operate the trimmer in an upright position.
REFERENCES:
patent: 426801 (1890-04-01), Hall
patent: 1716085 (1929-06-01), Perkins
patent: 3757194 (1973-09-01), Weber et al.
patent: 3763638 (1973-10-01), Vogelenzang
patent: 3805385 (1974-04-01), Ritums et al.
patent: 3883789 (1975-05-01), Achenbach et al.
Bartasevich William E.
Edgell James E.
Jones John E.
Lineback Lynn D.
Smith Roger Q.
Disston, Inc.
Eskovitz J.N.
Olive B. B.
LandOfFree
Cordless grass trimmer having removable battery pack does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cordless grass trimmer having removable battery pack, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cordless grass trimmer having removable battery pack will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1736798