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US 6,684,619 B2Granted
Fence chain indicator
AssigneeNone recorded
InventorYutaka Hara
Life of this patent
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AssigneeNone recorded
InventorYutaka Hara
Estimating the term…
The present invention provides a fence chain indicator enabling a single type of sheet body made of either a luminous material or a luminescent material to be attached to fence chain ring bodies of different dimensions, and also enabling this sheet body to be securely fastened. The fence chain indicator comprises a sheet body 10 which has flexibility, is made from either a luminous material or a luminescent material, and provided with fastening portions 11, 12 which are opened, at the opposite ends thereof, and is constituted such that a fastening member 13, which is provided with engagement grooves 13a for locking, is integrally attached to one end of the above-mentioned sheet body 10; a mating portion 14 is formed in the other end for mating with the above-mentioned fastening member 13; and a through-hole 15 of the above-mentioned fastening member 13 is formed in approximately the center portion of the above-mentioned sheet body 10.
A fence chain indicator, comprising a sheet body which has flexibility and is provided with fastening portions, which are opened, at the opposite ends thereof, and wherein:
A fence chain indicator, comprising a sheet body which is provided with fastening portions, which are opened, at the opposite ends thereof, and wherein:
A fence chain indicator, comprising:
A fence chain indicator, comprising a sheet body, which has flexibility and is provided with fastening portions, which are opened, at the opposite ends thereof, and wherein:
A fence chain indicator, comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Chains: hauling- or hoisting-chains so called ornamental chains
Free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers:…
Free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers: flexible…
Chains
Term ended 3 Dec 2022 (estimated)
1. Field of the Invention
The present invention relates to a fence chain indicator, which is attached to a fence chain used for the purpose of preventing people and vehicles from trespassing, and clearly makes known the presence thereof at night.
2. Description of the Related Art
FIG. 1 is a front view showing the state of utilization of a fence chain indicator of the present invention;
FIG. 2 is a perspective view showing the fence chain indicator of FIG. 1;
FIG. 3 is a cross-sectional view along Y—Y in FIG. 2;
The aspects of the embodiment of a fence chain indicator related to the present invention will be explained in detail hereinbelow by referring to the figures.
FIG. 1 is a front view showing the state of utilization of a fence chain indicator of the present invention; FIG. 2 is a perspective view showing the fence chain indicator of FIG. 1; FIG. 3 is a cross-sectional view along Y—Y in FIG. 2; FIG. 4 is a perspective view showing another embodiment of the fence chain indicator; FIG. 5 is a perspective view showing another embodiment of the fence chain indicator; FIG. 6 is a perspective view showing another embodiment of the fence chain indicator; FIG. 7 is a perspective view showing another embodiment of the fence chain indicator; FIG. 8 is a cross-sectional view showing another embodiment of the fence chain indicator; FIG. 9 is a perspective view showing another embodiment of the fence chain indicator; and FIG. 10 is a perspective view showing another embodiment of the fence chain indicator.
A fence chain indicator A of the present invention, as shown in FIG. 1, is attached to a ring body 2 forming a fence chain 1, and fence chain 1 is made to a desired length by sequentially connecting ring bodies 2. Ring body 2 is formed to a predetermined size using a metal or molded plastic material, and the diameter and size of a ring body 2 is selected in accordance with the utilization venue and purpose. This fence chain indicator A is formed from a metallic material or a synthetic plastic material having flexibility, and enhances the visibility of a fence chain especially at night by using either a well-known luminous material or light-emitting device, or a well-known decorative illuminating material or a reflective material.