Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Reexamination Certificate
2000-08-01
2001-08-28
Saether, Flemming (Department: 3629)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
C024S297000, C411S508000
Reexamination Certificate
active
06280130
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a construction of a fastener attached to a floor carpet that is spread beforehand on a floor of a car in order to fasten a floor mat.
Such a floor mat fastener is disclosed for example in Japanese Utility Model Publication (Kokoku) No. Hei 7-33737, comprising a resin-made face side holder attached on a floor carpet and a substantially loop-like portion provided integrally on a rear side (a face to be under side when the floor mat fastener is attached) thereof. When the fastener is attached, the loop like portion is elongated to enter into a hole of the floor carpet and then depressed on a floor face to be squashed so that the floor carpet is pinched between the face side holder and the loop-like portion. In addition, an arrow shaped fitting projection is formed on an inside of a part to become an tip end when the loop like portion is elongated in an inserting direction and fitting recesses to fit thereto is provided on a rear side of the face side holder and inside the loop-like portion.
In said prior art, because the loop like portion is elongated in order to be inserted into a attaching hole while the fastener is attached, the floor carpet have to be widely turned over as much to kept apart from the floor face. However, it is hard as a practical matter to turn over the floor carpet like this. Even if it can be done, as the carpet must be flattened again and, also, a lot of time is needed for attaching the fastener. A purpose of the present invention is solving such a problem and providing a more easily attachable fastener.
SUMMARY OF THE INVENTION
In order to solve the above subject, the first feature of the present invention relates to a floor mat fastener which is attached to a floor carpet for fastening a floor mat comprising a pin for engaging the floor mat; a face side holder being set on a surface of the floor carpet; a rear side holder burrowing into a rear side of the floor carpet; the fastener being constructed to pinch the floor carpet between the face side holder and the rear side holder; wherein the rear side holder has a free end and at least a part of the rear side holder being made to be a movable pinching portion connected to the face side holder at an opposite end to the free end so as to be freely bent, a knob portion used while bending the movable pinching portion so that the movable pinching portion can freely engage or disengage the face side holder.
A second feature of the present invention relates to the floor mat fastener according to the above first feature , wherein a slit is formed on the pin in a longitudinal direction, a pin fitting portion is provided so as to freely fit to the slit, and to have the knob portion control the movements of the floor mat fastener .
The third feature of the present invention relates to the floor mat fastener according to the above second feature, wherein when the knob portion is risen the movable pinching portion comes to an attaching condition where it is parallel to a rear face of the face side holder and when the knob portion is tilted on the face side holder portion the movable pinching portion comes to an inserting condition to enter into an attaching hole where it rises in a substantially intersecting direction at a right angle to the face side holder, and a stationary pinching portion, which extends in an opposite direction to the movable pinching portion when the fastener is attached to the floor carpet, is formed integrally on the rear face of the face side holder.
According to the first feature, an end of a rear side holder is made to be a free end and a part thereof to be a movable pinching portion connected to a face side holder at an opposite end thereof so as to be freely bent. Moreover the movable pinching portion is made to rotate by means of a knob portion extending to a surface of the face side holder. Therefore, when the fastener is attached, the movable pinching portion can be made to be in an inserting condition to enter the free end thereof into an attaching hole which is provided on the floor carpet by tilting the knob portion on the face side holding portion. Thereafter, when the knob portion is risen up, it is made possible that the movable holding portion enters into the rear side of the floor carpet to rotate toward the face side holding portion and pinches the floor carpet between the face side holding portion and the movable pinching portion. When the knob portion is engaged to the face side holding portion, the fastener can be fixed on the floor carpet.
Since the rear side holder has the free end, by entering the free end into the attaching hole of the floor carpet, the movable holding portion can be inserted without undue raising or upsetting of the floor carpet. Thus, the fastener of the present invention is attached to the floor carpet.
Furthermore, since the knob portion is provided, rotating of the movable holding portion is possible from the surface side of the face side holder. Moreover by engaging the knob portion on the face side holding portion, the rotation of the movable holding portion can be maintained completing the attachment of the fastener to the floor carpet.
According to the second feature noted above, since a slit is formed on the pin in a longitudinal direction and a pin fitting portion is provided on the movable pinching portion which freely fits the slit, the appearance of the fastener can be improved by the integral knob portion being disposed above the slit of the pin. Furthermore, by being able to easily and speedily grasp the fastener during it being attached to the floor carpet, the attaching operation is improved as to workability and reliability.
According to the third feature noted above, a stationary pinching portion, which extends in an opposite direction to the rear side holder when the fastener is attached to the floor carpet, is formed integrally on the rear face of the face side holder at a predetermined distance. Whereby in a condition that the movable pinching portion and the stationary pinching portion approach mutually and the pin is tilted down, when free ends of both pinching portions are entered into the attaching hole of the floor carpet and then the knob portion and the pin are risen, each pinching portion is tilted down in an opposite direction on the rear side of the face side holder and the floor carpet can be pinched between the face side holder portion and themselves. Therefore, the fastener is strongly attached to the floor carpet and the pin with an integral knob portion serves as a stationary holding portion.
A floor mat fastener according to the present invention is useful when a floor mat is added to the floor carpet, that is formed in a separate body from the floor mat and is disposed on the floor of the automobile in a predetermined location and, in that location, is fastened to the floor carpet.
REFERENCES:
patent: 726636 (1903-04-01), Carll
patent: 4112815 (1978-09-01), Tanaka
patent: 4850773 (1989-07-01), Asami
patent: 5228816 (1993-07-01), Boville
patent: 5775859 (1998-07-01), Anscher
Haraguchi Hirotaka
Shibuya Tomio
Emhart Inc.
Murphy Edward D.
Saether Flemming
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