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US 4,058,995 AGranted
Lock de-icer
OwnerCecil Greavesinventor
Life of this patent
Estimating the term…
Abstract
A telescoping hollow tube provides means for channeling warm human breath onto a frozen lock. The warm breath thaws the lock. When not in use, the tube telescopes to a small size for easy portability.
Claims1
A lock de-icer comprising:
- a. a plurality of telescoping annular segments;
- b. said segments, when extended forming a hollow generally conical channel;
- c. one of the end segments of said plurality of annular segments having an outward directed flange of resilient material attached at the outer extremity thereof, said outward directed flange being deformable whereby it may be deformed to sealingly abut the curved surface of a vehicle surrounding the vehicle door lock;
- d. an air release hole providing open communication for air from the inside to the outside of one of said telescoping annular segments;
- e. an outer ring attached to the perimeter of said outward directed flange, said outer ring being coaxial with said one of the end segments and forming between itself and said one of the end segments an annular cavity in which all others of the telescoping annular segments may be contained;
- f. a cover adapted to sealingly fit over the end of said outer ring remote from said outward directed flange and to hold said all others of the telescoping annular segments within said annular cavity, and
- g. said cover being flexiby hinged to said outer ring.
4 more elements
Dependencies are inferred from the claim text.