Clamping device for clamping plate-like members
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKoichi Okamura, Susumu Kusakabe, Masahiro Yoshida, Fumio Hiraoka
Life of this patent
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Abstract
The disclosure relates to a clamping device capable of readily combining or disassembling plate-like members such as corrugated boards, etc. for packing cases and the like. The clamping device made of flexible material, for example, polypropylene or the like includes a flat base portion, pivotal members hinged to the base portion, and piercing pieces or claws extending outwardly from the respective pivotal members for forcing the piercing pieces into or withdrawing the same from the plate-like members in an efficient manner.
Claims8
A clamping device for clamping plate-like members together which comprises:
- a flat base portion of flexible material, a pair of flat pivotal members having thin hinge portions joining said pivotal members to said base portion, piercing members on the surfaces of said pivotal members which, when said pivotal members are pivoted away from one surface of said base portion, project toward said one surface, said base portion having openings therein in positions for allowing said piercing members to pass therethrough when said pivotal members are pivoted into substantially coplanar relation with said one surface of said base plate, the free ends of each of said pivotal members having projecting portions having a thickness less than the thickness of said pivotal members and extending away from said hinge portions and coplanar with the surfaces of said pivotal members which are on the opposite sides thereof from the surfaces from which said piercing members project, and which, when said pivotal members are pivoted into substantially coplanar relation with said one surface of said base plate, are spaced from the level of the other surface of said base plate in the direction of said one surface of said base plate to leave a free space beneath said projections for enabling the finger of a user to be engaged with the projections to pivot said pivotal members away from said base plate.
An assembly of clamping devices for clamping plate-like members together, which comprises:
- a plurality of clamping devices each having a flat base portion of flexible material, a pair of pivotal members having thin hinge portions joining said pivotal members to said base portion, piercing members on the surfaces of said pivotal members which, when said pivotal members are pivoted away from one surface of said base portion, project toward said one surface, said base portion having opening therein in positions for allowing said piercing members to pass therethrough when said pivotal members are pivoted into substantially coplanar relation with one surface of said base plate, the free ends of each of said pivotal members having projecting portions having a thickness less than the thickness of said pivotal members and extending away from said hinge portions and co-planar with the surfaces of said pivotal members which are on opposite sides thereof from the surfaces from which said piercing members project, and which, when said pivotal members are pivoted into substantially coplanar relation with said one surface of said base plate, are spaced from the level of the other surface of said base plate to leave a free space beneath said projections for enabling the finger of a user to be engaged with the projections to pivot said pivotal members away from said base plate, and easily separable means to which said clamping devices are connected in side by side spaced relationship for feeding said clamping devices to an apparatus for successively applying said clamping devices to an article to be clamped.
Dependencies are inferred from the claim text.