Cork screw
First Claim
Patent Images
1. A cork screw comprising:
- a rotary handle;
a stem connected to said handle and having a helical groove extending on the periphery of said stem;
a penetrating screw fixed to the bottom of said stem;
a hollow pedestal provided around said stem and said penetrating screw, the wall of said pedestal having an upper portion sleeved slideably on said stem, first openings in said upper portion, a bottom portion adapted to be seated against a spout of a bottle, and an engaging means provided in a portion between said upper portion and said bottom portion;
two dog members funcrumed at two opposite outer sides of said pedestal and each having a first engaging end capable of extending through one of said first openings to engage with said helical groove, and a second engaging end opposite to said first engaging end capable of engaging releaseably said engaging means so as to temporarily maintain said first engaging end in a released position from said helical groove; and
springs members attached to the outer side of said pedestal and normally biassing said first engaging ends to engage with said helical groove of said stem.
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Abstract
A cork screw which has a screw stem with a rotary handle incorporating a penetrating screw, and a hollow pedestal to be seated on a bottle sleeved movably on the stem and encasing the penetrating screw. Dog members are fulcrumed on the pedestal and engage releaseably with a helical groove of the screw stem. Upon rotation of the handle, the penetrating screw penetrates into the cork and subsequently pulls out the cork from the bottle.
51 Citations
3 Claims
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1. A cork screw comprising:
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a rotary handle; a stem connected to said handle and having a helical groove extending on the periphery of said stem; a penetrating screw fixed to the bottom of said stem; a hollow pedestal provided around said stem and said penetrating screw, the wall of said pedestal having an upper portion sleeved slideably on said stem, first openings in said upper portion, a bottom portion adapted to be seated against a spout of a bottle, and an engaging means provided in a portion between said upper portion and said bottom portion; two dog members funcrumed at two opposite outer sides of said pedestal and each having a first engaging end capable of extending through one of said first openings to engage with said helical groove, and a second engaging end opposite to said first engaging end capable of engaging releaseably said engaging means so as to temporarily maintain said first engaging end in a released position from said helical groove; and springs members attached to the outer side of said pedestal and normally biassing said first engaging ends to engage with said helical groove of said stem. - View Dependent Claims (2)
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3. A cork screw as claimed in claim 3, wherein said stem further includes a flange extending radially outward from the periphery of said stem so as to push away said nodule ends of said second engaging ends from said second openings.
Specification