Capped electric lamp
AssigneeKoninklijke Philips Electronics N.V.
InventorJos Verheyen
Life of this patent
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Abstract
The invention relates to a capped electric lamp provided with an outer bulb (3) which encloses a light source and is closed at one end by means of a cementless mounted lamp cap (4) having a collar (47) which surrounds the end with clearance (5). According to the invention, a helical spring (6) having a winding of at least one turn around the end is enclosed in the clearance between the collar and the end of the outer bulb, a first tip (61) of said spring being pushed against the collar and a second tip (62) resting in a recess in the end of the outer bulb.
Claims7
A capped electric lamp comprising an outer bulb which encloses a light source and is closed at one end by means of a cementless mounted lamp cap having a collar which surrounds the end with clearance, wherein a helical spring having a winding of at least one turn around the end is enclosed in the clearance between the collar and the end of the outer bulb, a first tip of said spring being pushed against the collar and a second tip resting in a recess in the end of the outer bulb.
Dependencies are inferred from the claim text.