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US 6,607,340 B2Granted
Removable ice screw securing device equipped with a quickdraw
AssigneeZedel
InventorsPaul Petzl, Jean Marc Hede
Life of this patent
Estimating the term…
Abstract
The invention relates to a securing device to be screwed in having an attachment lug equipped with a movable fixing means designed to prevent any twisting effect of the quickdraw when rotation of the ice peg takes place. The fixing means is formed by a cylindrical stud mounted rotating freely on a spindle securedly affixed to the attachment lug. The stud acts as operating handle for driving the securing device in rotation whereas the quickdraw remains permanently attached to the lug.
Claims9
A removable securing device having a tubular metal body extending along a longitudinal axis, comprising:
- a spiral thread arranged around a first bottom part of the body;
- a head equipped with a lug;
- a rotatable fixing means mounted on the lug to prevent any twisting effect of a quickdraw when rotation of the head takes place;
- and
- means for attaching the quickdraw to perform screwing of the body when the head is moved in rotation.
2 more elements
Dependencies are inferred from the claim text.