Combustion – Correlation of fuel or power supply with component movements...
Patent
1988-09-14
1989-05-16
Green, Randall L.
Combustion
Correlation of fuel or power supply with component movements...
222153, 22240211, 431277, 251102, 251 95, F23D 1136
Patent
active
048306037
ABSTRACT:
A child-resistant disposable lighter has its pushbutton normally locked and requires the user to move a safety release bidirectionally in order to unlock the pushbutton for operation in the conventional way. The lighter's housing includes a second compartment appended to but otherwise isolated from the fuel compartment, the second compartment having an open upper end. The pushbotton has an underside portion that overhangs and is depressible into the open upper end of the second compartment. A safety spring anchored at a lower end in the second compartment has its upper end providing a probe that extends into a channel formed in the underside of the pushbotton. The safety release is accessible at a side of the housing and is moved first inboard and then rearward and then released so that it returns to a given intermediate position, such movements effecting corresponding movements of the probe within the channel whereby the pushbutton is unlocked. Depression of the pushbotton causes the probe to return to its initial position and thereby automatically relock the pushbotton. Alternative embodiments provide an opposed pair of safety release for left-handed/right-handed user convenience.
REFERENCES:
patent: 3938943 (1976-02-01), Malamoud
patent: 4324351 (1982-04-01), Meshberg
patent: 4432542 (1984-02-01), Puynter
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