Closure fasteners – Portable
Patent
1975-12-03
1977-04-26
Mitchell, James C.
Closure fasteners
Portable
229 45R, E05C 1918
Patent
active
040197646
ABSTRACT:
A clamping device especially adapted to detachably and easily clamp plate-like members such as corrugated cardboard. The clamping device comprises two clamping members with a U-shaped channel for receiving therein the plate-like members to be clamped, a flexible member interconnecting the two clamping members, and an intermediate member formed integrally with the two clamping members and adapted to be placed between the two clamping members to extend the flexible interconnecting member to the locking position. The above members are formed integrally by forming suitable flexible plastic. When the clamping device is inserted into the clamping holes formed through the plate-like members to be clamped, it is bent along the flexible interconnecting member in such a way that the U-shaped channels of the clamping members receive therein the plate-like members. Thereafter, the intermediate member is forced into the position between the two clamping members so that the interconnecting member may be extended and consequently the edges of the clamping holes may be firmly clamped by the clamping members.
REFERENCES:
patent: 3545801 (1970-12-01), Barsness
patent: 3875843 (1975-04-01), Maeda et al.
Matsushita Electric - Industrial Co., Ltd.
Mitchell James C.
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