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US 4,240,183 AGranted
Fastener
AssigneesToska Co., Ltd., Japan Bano'k Co., Ltd.
InventorsYasukichi Sumimoto, Masami Kato
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AssigneesToska Co., Ltd., Japan Bano'k Co., Ltd.
InventorsYasukichi Sumimoto, Masami Kato
Estimating the term…
A fastener device is disclosed, which comprises an inserting part, a socket having an insertion aperture and an intermediate filament connecting the inserting part and the socket. The inserting part, which can be inserted into the socket from either of two insertion directions of the aperture, has at least one tongue, which has a suitable elasticity and can expand in radial directions relative to the axis of the inserting part under its condition free of any force application. The aperture of the socket has a face to engage and stop the socket, which is vertically provided relative to the axis of the aperture. In inserting the inserting part into the socket, the tongue undergoes contraction to facilitate its passage through the aperture, and when it has been completely passed through the aperture, the tongue restores its original condition and radially expands to abut against the engaging face of the aperture, preventing the inserting portion from being pulled out of the socket. This fastener device is formed from a synthetic resin in an integral structure.
A fastener comprising a socket having an aperture, a filament continuously extended from said socket, and an inserting part provided at the leading end of said filament and capable of being inserted into said aperture in either direction thereof and being anchored in the aperture, wherein a rigid inner flange including a guide face having the same axis as the axis of the aperture and two circular abutting faces perpendicular to said axis, said flange being formed in said aperture, said aperture thereby being symmertical about a plane perpendicular to the axis of the aperture and wherein at least one elastic tongue is formed on the inserting part, the free end of said tongue expanding outwardly in the radial direction with respect to the axis of said inserting part when it is kept in the free state and said free end of the tongue being contracted inwardly in the radial direction while it is passing through the guide face, and after said free end of the tongue has completely passed through the guide face, it returns to its original free state and is anchored to said abutting faces, whereby said inserting part is tightly connected to the socket.
A fastener comprising a socket having an aperture, a filament continuously extended from said socket, and an inserting part provided at the leading end of said filament and capable of being inserted into said aperture in either direction thereof and being anchored in the aperture, wherein a rigid inner flange including a guide face having the same axis as that of the aperture and two abutting faces perpendicular to said axis is formed in said aperture, an annular projection is formed on each of said two abutting faces in the axial direction thereof so that an annular space is formed and defined by the outer circumference of said projection, said abutting face and a part of the inner circumferential face of said aperture, and wherein at least one elastic tongue is formed on said inserting part, and the free end of said tongue being contained in said annular space when said inserting part is locked in said socket.
A fastener comprising a socket having an aperture, a filament continuously extended from said socket, and an inserting part provided at the leading end of said filament and capable of being inserted into said aperture in either direction thereof and being anchored in the aperture, wherein a rigid inner flange including a guide face having the same axis as that of the aperture and two circular abutting faces perpendicular to said axis is formed in said aperture, said aperture thereby being symmetrical about a plane perpendicular to the axis of the aperture, and said inserting part comprises an enlarged tip, a first connecting portion and a plurality of units, each unit including an enlarged head, at least one tongue rooted to the rear end face of said head and a second connecting portion.
A fastener comprising a socket having an aperture, a filament continuously extended from said socket, and an inserting part provided at the leading end of said filament and capable of being inserted into said aperture in either direction thereof and being anchored therein, wherein a rigid inner flange including a guide face having the same axis as that of the aperture and two circular abutting faces is formed in said aperture, the top end of said inserting part being formed to have a bifurcate shape including at least two elastic prongs, and wherein a fluke having a longitudinal face which is formed on the outside of each of said prongs, and said longitudinal faces of the prongs are caught on the forward abutting face of said aperture when said inserting part is inserted and anchored in said aperture.
A fastener assembly comprising a plurality of fasteners arranged in parallel, each of said fasteners comprising a socket, a filament continuously extended from said socket, and an inserting part provided at the leading end of said filament;
Dependencies are inferred from the claim text.