Buckles – buttons – clasps – etc. – Clasp – clip – support-clamp – or required component thereof – Dissociable gripping members
Patent
1987-09-16
1989-07-18
Brittain, James R.
Buckles, buttons, clasps, etc.
Clasp, clip, support-clamp, or required component thereof
Dissociable gripping members
24462, A44B 2100
Patent
active
048479586
ABSTRACT:
A sheet gripping assembly for thin pliable sheet material, such as plastic film, having a channel shaped base member with a side opening through which may be inserted a fold of the sheet material to be secured, and innerlock and gripping bar members insertable into the base member through its side opening to assembled positions within the fold of sheet material within the base member wherein the sheet material is gripped between the base member and the innerlock and gripping bar members and the innerlock member resists expulsion of the gripping bar member from the base member by tension in the sheet material being gripped. According to an important feature of the invention, the innerlock member has a lip which projects externally of the base member through its side opening and the innerlock member is laterally flexible by finger pressure on the lip to facilitate insertion of the innerlock member into and removal of the innerlock member from the base member. The lip also shields the sheet material against being ruptured by the gripping bar member during its insertion into and removal from the base member.
REFERENCES:
patent: 3965546 (1976-06-01), Hickle
patent: 3987835 (1976-10-01), Bloomfield
patent: 4103401 (1978-08-01), Conley
patent: 4107826 (1978-08-01), Tysdal
patent: 4153981 (1979-05-01), Stuppy
patent: 4267876 (1981-05-01), Bloomfield
patent: 4341255 (1982-07-01), Mock
patent: 4472862 (1984-09-01), Bloomfield et al.
patent: 4694543 (1987-09-01), Conley
Brittain James R.
Brown Boniard I.
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