×

Motor-operated grass cutter

  • US 5,140,249 A
  • Filed: 12/15/1989
  • Issued: 08/18/1992
  • Est. Priority Date: 05/07/1988
  • Status: Expired due to Fees
First Claim
Patent Images

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 all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×