Patent ID: 6185871
Filing Date: 2001-02-13
Classification: E05B,E05C,E06B

Abstract:
A door structure comprising:a door leaf with a wedged surface formed on a side for pivotal connection and a groove disposed on a surface of an opposite side,a rectangular door frame with an angled surface formed on an inner periphery on a side thereof and a long groove disposed on an opposite side thereof;a retaining plate including a steel sheet with a supporting portion formed on a first end, an inclined retaining portion extending from a second end, and a mating portion extending from said retaining portion and sized to engage with the long groove of said door leaf; andwherein said retaining plate is pivotally attached to the long groove of said door frame so that the retaining plate can rotate to engage the mating portion of said retaining plate with the groove of said door leaf.