Charger
First Claim
1. A charger comprising, in combination, a first case provided with a cell receiving space for mounting therein one or more cells to be charged, a charging circuit, a discharging circuit and a manual change-over switch for controlling the charging and the discharging circuit for one or more cells to be charged mounted in said cell receiving space, said manual change-over switch comprising a push button, a movable contact member having a space therein and a resilient piece movable upon depression of said push button and a fixed contact member resiliently supported and positioned in the space in said movable contact member, and a second case releasably coupled to said first case, said second case containing a plurality of source cells serving as the charging power source for the cell to be charged, said change-over switch having a normally closed contact to make the discharging circuit for the cell to be charged and a normally open contact to make the charging circuit for the cell to be charged.
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Accused Products
Abstract
A portable charger, together with its accessory devices, is disclosed which has incorporated a circuit such that when the cell to be charged is mounted thereon, a discharge circuit will be closed to clear the residual charge in the cell to be charged and then, by pressing a push button manually, the cell will be charged.
48 Citations
30 Claims
- 1. A charger comprising, in combination, a first case provided with a cell receiving space for mounting therein one or more cells to be charged, a charging circuit, a discharging circuit and a manual change-over switch for controlling the charging and the discharging circuit for one or more cells to be charged mounted in said cell receiving space, said manual change-over switch comprising a push button, a movable contact member having a space therein and a resilient piece movable upon depression of said push button and a fixed contact member resiliently supported and positioned in the space in said movable contact member, and a second case releasably coupled to said first case, said second case containing a plurality of source cells serving as the charging power source for the cell to be charged, said change-over switch having a normally closed contact to make the discharging circuit for the cell to be charged and a normally open contact to make the charging circuit for the cell to be charged.
- 16. A charger comprising, in combination, a first case provided with a cell receiving space for mounting therein one or more cells to be charged, a charging circuit, a discharging circuit and a manual change-over switch for controlling the charging and the discharging circuit for one or more cells to be charged mounted in said cell receiving space, and a second case for containing a plurality of source cells serving as the charging power source for the cell to be charged, at least one of said first and second cases being deformable said change-over switch having a normally closed contact to make the discharging circuit for the cell to be charged and a normally open contact to make the charging circuit for the cell to be charged, said charger further including elastic terminal pieces secured to the lower surface of the first case, and means to couple the first and the second cases together, said coupling means becoming disconnected by the elastic action of said terminal pieces upon deformation of at least one of the first and the second cases.
Specification