Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VERITYS Ltd
Original Assignee
VERITYS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VERITYS LtdfiledCriticalVERITYS Ltd
Application grantedgrantedCritical
Publication of GB189913994ApublicationCriticalpatent/GB189913994A/en
13,994. Veritys (Limited) and Ridings, W. R. July 6. Incandescent lamps, holders for, with -switches. A rocking bar g is centrally pivoted, and adapted to make contact with two spring contacts h, i. It is connected by a spring e to an arm c adapted to be turned by a key. When the key is turned, the spring is extended until it passes the centre, when it snaps the switch bar on or off. This arrangement also provides for a rubbing action on the contacts.
GB189913994D1899-07-061899-07-06An Improved Key Switch for Electrical Circuits, particularly adapted for Incandescent Lamp Sockets.
ExpiredGB189913994A
(en)