US 5,181,528 AGranted

Apparatus for extinguishing a lighted cigarette

AssigneeIndustrial Technology Research Institute

InventorsHsing Chen, Horng-Show Koo, Li Chang, K. L. Shieh

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Abstract

An apparatus for extinguishing a lighted cigarette comprises a hollow external seat and a storing container. A blade for cutting and extinguishing the burning portion of a lighted cigarette in combination with an L-shaped plate are provided within a seat. Both the plates are made from shape memory alloys having different temperature reaction gradients. When the burning portion of a cigarette is placed into the seat and comes into contact with the blade, the plate will restore to its memory shape by the temperature response in cutting off the lighted portion of the cigarette and extinguishing the lighted portion by pressing it on the L-shaped plate. The L-shaped plate stretches straight to let the cigarette ash drop into the storing container. When the temperature of the L-shaped plate is decreased, the plate recovers to its original position to cover the storing container. The cigarette ash is thus restricted within the storing container to prevent it from dispersing and causing pollution. A lighter is detachably inserted into the apparatus and facilitates carrying and provides a safe and clean environment.

Claims8

Dependent claims

An apparatus for extinguishing a lighted cigarette butt comprising

(a) a hollow outer seat (2) having a bottom opening and a cover (4) for selectively covering the bottom opening of the seat (2);
wherein the outer seat (2) is partitioned into an upper blocking chamber (22) and a lower storing chamber (23) by a partitioning wall (21), and a communicating path (211) is formed between the blocking chamber (22) and the storing chamber (23);
a cigarette hole (24) being provided at one lateral side of the blocking chamber (22) for receiving a cigarette;
(b) a storing container (3) which is detachably secured within the interior of said hollow seat (2) through the bottom opening in said seat
(c) a blade (5) which is arch-shaped and has a sawtooth-like structure (51), said blade being positioned on the partitioning wall (21), and a second sawtooth-like structure (31) being positioned across a top of said container (3);
and
(d) an L-shaped plate (6) being mounted on an internal wall within the blocking chamber (22) for the blocking of the communicating path (211), and a spring (7) being mounted at a position on the internal wall of said blocking chamber (22) to urge a bottom end of the L-shaped plate (6) toward a closed position;
wherein said blade (5) and plate (6) are made from shape memory alloys having different temperature reaction gradients,
whereby the insertion of a lighted cigarette via said hole and attendant heat created by said lighted cigarette (24) causes the blade (5) to cut the lighted portion of the cigarette and then press against plate (6) to extinguish the lighted cut-off portion of the cigarette.

6 more elements

Dependencies are inferred from the claim text.