Patent ID: 6247641
Filing Date: 2001-06-19
Classification: A47G,E05B,E06B

Abstract:
A cluster box unit (CBU) for securing and protecting mail, comprising:a plurality of mailbox slots;a double door having a first outer door and a second inner door, said double door covering and protecting said plurality of mailbox slots, said first outer door overlapping said second inner door;a plurality of mailbox slot doors, each one of said mailbox slot doors corresponding to an individual one of said plurality of mailbox slots, said mailbox slot doors imbedded in and a part of said double door, said mailbox slot doors having side flanges defining first cam slots, said double doors having second cam slots aligned with said first cam slots when said mailbox slot doors are closed;a plurality of mailbox slot door locks attached to corresponding ones of said mailbox slot doors;a plurality of hooked mailbox slot door lock cams attached to corresponding ones of said mailbox slot door locks, said hooked cams passing through said first and second cam slots to lock said mailbox slot doors;a concave shroud attached to said first outer door, said concave shroud receiving a leading edge of said second inner door; wherebya seam present between said first and second doors better defends against being pried open as said second inner door is protected by said concave shroud to better secure and protect mail held in the CBU and said hooked cams hold said mailbox slot doors closed and better resist attack upon said mailbox slot doors, preventing said mailbox slot doors from being pried open.