Joints and connections – Manually releaseable latch type
Reexamination Certificate
2006-10-10
2006-10-10
Stodola, Daniel P. (Department: 3679)
Joints and connections
Manually releaseable latch type
C403S325000, C403S408100, C403SDIG014, C292S210000, C292S108000
Reexamination Certificate
active
07118301
ABSTRACT:
The connection assembly for boxes includes a connection support which connects integrally a base plate and a cover plate which faces to the base plate upwardly via a predetermined space; a rotary shaft member which is supported pivotably by and perpendicular to the base plate and the cover plate; an engage piece which is installed into the predetermined space at a horizontal state, capable of rotating with the rotary shaft member together; a return spring, a center part thereof wound around the rotary shaft member and both ends thereof supported by a spring pressure part of the rotary shaft member and an engage piece of the base plate; a lock piece for the engage piece, an end part thereof which is supported pivotably by a fixed shaft which is provided at one side of the base plate, having an engage part which projects from an upper surface of the base plate; and a spring which is attached to the fixed shaft, capable of biasing the lock piece to an engagement direction. Therefore, it is not uncoupled easily at an engagement state when in earthquake, and it can uncouple easily at the engagement state.
REFERENCES:
patent: 2873134 (1959-02-01), Ahlgren
patent: 4040653 (1977-08-01), Takahashi
patent: 5549241 (1996-08-01), Correll
patent: 5622395 (1997-04-01), Shine et al.
patent: 5678948 (1997-10-01), White
patent: 5927766 (1999-07-01), Rosen
patent: 6913297 (2005-07-01), Jackson et al.
Amiri Nahdi
Greigg Ronald E.
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