Motor-operated grass cutter
First Claim
1. In an electric motor-operated grass cutter comprising a housing (6);
- and electric motor (4);
a plurality of cutting blades (2,
3) projecting from said housing (6), at least one of which is driven by said electric motor (4) so as to reciprocate, and a chargeable storage battery (10) connectable electrically with said electric motor (4) and having a plurality of electrical contact lugs (18,
19), said contact lugs (18,
19) being electrically connectable for charging of the chargeable storage battery, the improvement comprising a charging socket (24) accessible from outside of the housing, said chargeable storage battery being electrically connectable via the charging socket (24) for trickle charging and, alternatively, for quick charging, the chargeable storage battery (10) being structured to be quick-chargeable, and a temperature contact lug (20) connected to said chargeable storage battery for transmitting measured values for monitoring the quick charging.
1 Assignment
0 Petitions
Accused Products
Abstract
An electric motor-operated grass cutter includes a housing; an electric motor; a plurality of cutting blades projecting from the housing, at least one of which is driven by the electric motor so as to reciprocate, and a chargeable storage battery connectable electrically with the electric motor. The storage battery also has a plurality of electrical contact lugs for charging. So that it can be charged safely and rapidly without disassembly the grass cutter also includes a charging socket mounted on the housing and accessible from the outside. The charging socket can have a plurality of additional contact lugs to facilitate electrical connection of a plug of an external charging device with the storage battery. The chargeable storage battery is structured so as to be quick-chargeable and external devices for quick-charging and trickle charging can be provided. A temperature contact lug can be provided for transmitting measured values of temperature for monitoring the quick charging.
57 Citations
8 Claims
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1. In an electric motor-operated grass cutter comprising a housing (6);
- and electric motor (4);
a plurality of cutting blades (2,
3) projecting from said housing (6), at least one of which is driven by said electric motor (4) so as to reciprocate, and a chargeable storage battery (10) connectable electrically with said electric motor (4) and having a plurality of electrical contact lugs (18,
19), said contact lugs (18,
19) being electrically connectable for charging of the chargeable storage battery, the improvement comprising a charging socket (24) accessible from outside of the housing, said chargeable storage battery being electrically connectable via the charging socket (24) for trickle charging and, alternatively, for quick charging, the chargeable storage battery (10) being structured to be quick-chargeable, and a temperature contact lug (20) connected to said chargeable storage battery for transmitting measured values for monitoring the quick charging. - View Dependent Claims (2, 3, 6, 7, 8)
- and electric motor (4);
- 4. The improvement as defined in claim 4, further comprising a case (16) which receives and holds said chargeable storage battery (10) and wherein said temperature contact lug (20) is located on said case (16).
Specification