Night latch for sliding member

A latch that is adapted to be set in a recess in a window or door, said latch comprising a housing, said housing having a top surface, at least two side surfaces extending from said top surface, and a bottom surface extending from at least a portion of one side surface to at least a portion of the other side surface, said bottom surface of said housing having an arcuate nest and a right recession, said housing having a tumbler pivotally mounted in said housing said tumbler having recessed position where said tumbler is within the housing and an activated position wherein at least a portion of said tumbler extends from an opening in the top surface of said housing, said tumbler having an upper surface, a lower surface, a front end and a rear end, said top surface having at least a first surface portion and a second lower surface portion, and said lower surface having a first lower portion and a second lower portion, said second portion having a concave section on at least a portion thereof;

• said tumbler adapted to pivot about a member that extends from at least one sidewall of said tumbler and which passes through an orifice in said sidewall of said housing, said tumbler being prevented from extending past said activated position by a stopping member that contacts said concave section of the lower surface of said tumbler, said tumbler having a cavity extending from said lower surface of said tumbler into said tumbler, said cavity having a first section and a second section, said first section of said cavity having one end portion of a resilient member positioned therein, said resilient member having a second end portion, said second end portion having a rounded bottom portion that contacts said arcuate nest of said bottom surface of said housing, said rounded bottom portion of said resilient member having a recessed position where said rounded bottom portion is within said arcuate nest and an activated position wherein said rounded bottom portion is within said right recession of said bottom surface of said housing.

A latch that is adapted to be set in a recess in a window or door, said latch comprising a housing, said housing having a top surface, at least two side surfaces extending from said top surface, and a bottom surface extending from one side surface to the other side surface, said bottom surface of said housing having an arcuate nest and a right recession, said housing having a tumbler pivotally mounted in said housing, said tumbler having recessed position where said tumbler is within the housing and an activated position wherein a portion of said tumbler extends from an opening in the top surface of said housing, said tumbler having an upper surface, a lower surface, a front end and a rear end, said tumbler having a cavity extending from said lower surface of said tumbler into said tumbler, said cavity having a first section and a second section, said first section of said cavity having one end portion of a resilient member positioned therein, said resilient member having a second end portion, said second end portion having a rounded bottom portion that contacts said arcuate nest of said bottom surface of said housing, said rounded bottom portion of said resilient member having a recessed position where said rounded bottom portion is within said arcuate nest and an activated position wherein said rounded bottom portion is within said right recession of said bottom surface of said housing.

A latch that is adapted to be set in a recess in a window or door, said latch comprising a housing, said housing having a top plate, at least two side surfaces extending from said top plate, and a bottom surface extending from at least a portion of one side surface to at least a portion of the other side surface, said bottom surface of said housing having an arcuate nest and a right recession, said housing having a tumbler pivotally mounted in said housing said tumbler having recessed position where said tumbler is within the housing and an activated position wherein at least a portion of said tumbler extends from an opening in the top surface of said housing, said tumbler having a first face and a second face and an upper edge a lower edge, a front end and a rear edge, said first face and said second face being joined by said edges, said top edge having at least a first surface portion and a second surface portion, said second edge being adjacent near end of said tumbler and said lower surface having a first lower portion and a second lower portion, said second portion having a concave section on at least a portion thereof;

• said tumbler adapted to pivot about a member that extends from at least one sidewall of said housing and which passes through an orifice in said tumbler, said tumbler being prevented from extending past said activated position by a stopping member that contacts said concave section of the lower edge of said tumbler, said tumbler being capable of moving from a recessed position to an activated position by the application of force to said second surface portion of said tumbler, said tumbler having a cavity extending from said lower surface of said tumbler into said tumbler, said cavity having a first section and a second section, said first section of said cavity having one end portion of a resilient member positioned therein, said resilient member having a second end portion, said second end portion having a rounded bottom portion that contacts said arcuate nest of said bottom surface of said housing, said rounded bottom portion of said resilient member having a recessed position where said rounded bottom portion is within said arcuate nest and an activated position wherein said rounded bottom portion is within said right recession of said bottom surface of said housing.

A latch that is adapted to be set in a recess in a window or door, said latch comprising a housing, said housing having a top plate, at least two side plate extending from said top surface, and a bottom surface extending from at least a portion of one side surface to at least a portion of the other side surface, said surface of said housing having an arcuate nest and a right recession, said housing having a tumbler pivotally mounted in said housing said tumbler having recessed position where said tumbler is within the housing and an activated position wherein at least a portion of said tumbler extends from an opening in the top surface of said housing, said tumbler having a first face and a second face and an upper edge a lower edge, a front end and a rear edge, said first face and said second face being joined by said edges, said top edge having at least a first surface portion and a second surface portion, said second edge being adjacent near end of said tumbler and said lower surface having a first lower portion and a second lower portion, said second portion having a concave section on at least a portion thereof;

• said tumbler adapted to pivot about a member that extends from at least one sidewall of said tumbler and which passes through an orifice in said sidewall of said housing, said tumbler being prevented from extending past said activated position by a stopping member that contacts said concave section of the lower edge of said tumbler, said tumbler being capable of moving from a recessed position to an activated position by the application of force to said second surface portion of said tumbler, said tumbler having a cavity extending from said lower surface of said tumbler into said tumbler, said cavity having a first section and a second section, said first section of said cavity having one end portion of a resilient member positioned therein, said resilient member having a second end portion, said second end portion having a rounded bottom portion that contacts said arcuate nest of said bottom surface of said housing, said rounded bottom portion of said resilient member having a recessed position where said rounded bottom portion is within said arcuate nest and an activated position wherein said rounded bottom portion is within said right recession of said bottom surface of said housing.