Battery powered lamp unit and supporting container
AssigneeGladson Limited
InventorAndrew J. Lack
Life of this patent
Estimating the term…
Abstract
A battery powered lamp unit in the form of an electric lamp integral with a compartment to contain at least one electric battery to power the lamp, or electrical circuit whereby the lamp is powered by the battery, and a tubular supporting container having an open end into which the electric lamp is insertable for support thereby with the container surrounding the compartment and the lamp projecting beyond the open end. Engageable elements on the unit and interior of the tubular container are arranged such that the elements engage one with another some distance within the container from the open end when the unit is inserted so as to prevent removal of the unit. The interengaged elements can be unlocked by a key which can be inserted into the tubular container.
Claims10
A battery powered lamp unit in combination with a supporting container, the combination comprising an integral unit comprising an electric lamp integral with a compartment to contain at least one electric battery to power said lamp and electrical circuit means whereby said lamp can be powered by the battery, a tubular supporting container having an open end into which the integral unit is insertable for support thereby with the container surrounding the compartment and the lamp projecting beyond said open end, locking means comprising engageable elements on the unit and interior of the tubular container such that said elements engage one with another some distance within the container from said open end when the unit is inserted so as to prevent removal of the unit, and said locking means being arranged to be unlocked by key means insertable into the tubular container to cause disengagement of aforesaid engaged elements one from another so that the unit can be removed.
Dependencies are inferred from the claim text.