Patent ID: 6199922
Filing Date: 2001-03-13
Classification: E05B,Y10S,Y10T

Abstract:
A latch unit which includes a bolt, a housing for the bolt, guide means for the bolt in the housing, first resilient bias means for the bolt in the housing, the first resilient bias means urging the bolt in a forwards direction towards a holding position in which an end part of the bolt is outside the housing, and retaining means for retaining the bolt in a retained position against movement in said forwards direction, the retained position being spaced from the holding position, the retaining means comprising a first part and a second part, the retaining means having an active condition in which the first part is engaged with the second part whereby to retain the bolt, second resilient bias means to hold the first and second parts in the active condition, characterized in that the second resilient bias means acts to resist movement of the bolt to the retained position.