초록 ▼

An electro-manual drawer latch for a drawer which in a manual mode locks the drawer when the drawer is pushed into a housing and unlocks the drawer when the drawer is again pushed into the housing and which in an electrical mode prevents the drawer from being manually unlocked by pushing in on the d

An electro-manual drawer latch for a drawer which in a manual mode locks the drawer when the drawer is pushed into a housing and unlocks the drawer when the drawer is again pushed into the housing and which in an electrical mode prevents the drawer from being manually unlocked by pushing in on the drawer but which unlocks the drawer in response to an electrical signal, the latch including a housing, a drawer slidably mounted in the housing, the drawer having a latch for locking the drawer in housing, a spring disposed between the housing and the drawer for biasing the drawer out of the housing, a locking mechanism disposed in the housing for engaging the latch when the drawer is pushed into the housing to thereby lock the drawer in the housing, the locking mechanism being operable to disengage the latch in either a manual mode in response to a manual push on the drawer or an electrical mode in which manual unlocking of the drawer is prevented and instead the drawer is unlocked in response to an electrical signal received by the locking mechanism, and a control mechanism connected to the locking mechanism for selectively placing the locking mechanism in either the manual mode or the electrical mode, the control mechanism also being operable to supply the electric signal to unlock the drawer when the locking mechanism is in the electrical mode.

대표청구항 ▼

An electro-manual drawer latch for a drawer which in a manual mode locks the drawer when the drawer is pushed into a housing from an unlocked position and unlocks the drawer when the drawer is pushed further into the housing from a locked position and which in an electrical mode prevents the drawer

An electro-manual drawer latch for a drawer which in a manual mode locks the drawer when the drawer is pushed into a housing from an unlocked position and unlocks the drawer when the drawer is pushed further into the housing from a locked position and which in an electrical mode prevents the drawer from being manually unlocked by pushing the drawer further into the housing from a locked position and instead unlocks the drawer in response to an electrical signal, comprising: a housing; a drawer slidably mounted in said housing, said drawer having latch means thereon for locking said drawer in said housing; spring means disposed between said housing and said drawer for biasing said drawer out of said housing; locking means disposed in said housing for engaging and disengaging said latch means in a manual mode and in an electrical mode, said locking means engaging with said latch means when said drawer is manually pushed from an unlocked position into said housing to a locked position to thereby lock said drawer in said housing and disengaging with said latch means when said drawer is pushed from said locked position further into said housing when said locking means is in said manual mode and said locking means being prevented from disengaging with said latch means in response to a manual push on said drawer which moves said drawer from said locked position to a position further in said housing when said locking means is in said electrical mode, said locking means disengaging with said latch means in said electrical mode in response to an electrical signal received by said locking means; and control means connected to said locking means for selectively placing said locking means in either said manual mode or said electrical mode, said control means further supplying said electrical signal to unlock said drawer when said locking means is in said electrical mode.