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US 9,377,142 B2Granted
Hose clamp with a clamping screw, clamping screw and tool for driving the clamping screw
AssigneeNorma Germany GmbH
InventorsViktor Stoll, Mathias Krauss
Life of this patent
Estimating the term…
Abstract
Hose clamp and method of making hose clamp. Hose clamp includes a clamping band, a clamping screw having a screw head and a threaded shank, and a housing in which the clamping screw is arranged, which has a screw head and a threaded shank. A surface of the screw head facing away from the threaded shank is arched in a convex manner and includes at least three indentations.
Claims14
A hose clamp comprising:
- a clamping band;
- a clamping screw having a screw head and a threaded shank;
- a housing in which the clamping screw is arranged;
- a surface of the screw head facing away from the threaded shank being arched in a convex manner and including at least three indentations;
- and
- each of the indentations comprising:
- an elongated outer periphery at the surface of the screw head, the outer periphery comprising:
- a length extending between a pair of ends;
- and
- a width defined between a pair of arcs convergent toward each of the pair of ends;
- a base;
- and
- a pair of surface portions convergent toward the base in a direction extending from respective ones of the pair of arcs of the periphery.
10 more elements
A hose clamp clamping screw for a hose clamp, comprising:
- a screw head;
- a threaded shank;
- and
- a surface of the screw head facing away from the threaded shank, which is structured to receive a driving tool to rotate the screw head, being arched in a convex manner and including at least three indentations;
- and
- each of the indentations comprising:
- an elongated outer periphery at the surface of the screw head, the outer periphery comprising:
- a length extending between a pair of ends;
- and
- a width defined between a pair of arcs convergent toward each of the pair of ends;
- a base;
- and
- a pair of surface portions convergent toward the base in a direction extending from respective ones of the pair of arcs of the periphery.
10 more elements
Dependencies are inferred from the claim text.