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US 10,724,691 B2Granted
Lightbulb and bulb cap therefor
AssigneeCore Lighting Limited
InventorPhil Ion
Life of this patent
Estimating the term…
Abstract
A lightbulb comprising a bulb portion (10) in which is housed an illuminating component configured to selectively emit visible light, the lightbulb having a cap portion (16) configured to mount the lightbulb in a light fitting or lamp holder, the cap portion incorporating a adaptor element configured to selectively alter the configuration of the cap portion between a screw fitting and a bayonet fitting.
Claims9
A lightbulb comprising a bulb portion in which is housed an illuminating component, said illuminating component emitting light when powered;
- wherein the lightbulb has having a cap portion configured to mount the lightbulb in a light fitting or lamp holder;
- wherein the bulb cap portion comprises first and second cylindrical mounts, the second cylindrical mount being concentrically mounted within the first cylindrical mount;
- wherein the second cylindrical mount has a smaller diameter than that of the first cylindrical mount;
- wherein each of the first and the second cylindrical mounts is provided with a screw thread, the screw thread of the first mount having a different diameter than that of the screw thread of the second mount;
- wherein said cap portion further comprises a collar around the second cylindrical mount, said collar having inwardly extending radial pins which slide into and along channels of the second cylindrical mount, so that said collar is mounted on said cap portion for selective longitudinal retraction and extension relative thereto;
- and
- wherein the collar further has a pair of radially outwardly extending pins for a bayonet fitting.
4 more elements
Dependencies are inferred from the claim text.