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
Inventor
John Joseph Rawlings
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Individual
Original Assignee
Individual
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Application grantedgrantedCritical
Publication of GB190927446ApublicationCriticalpatent/GB190927446A/en
H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
H01H23/02—Details
H01H23/04—Cases; Covers
H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
Pivots And Pivotal Connections
(AREA)
Joints Allowing Movement
(AREA)
Sealing Devices
(AREA)
Abstract
27,446. Rawlings, J. J. Jan. 7. Cases.-The ball joint of a tumbler switch is rendered waterproof by the use of a flexible wasber E, which may be formed of felt impregnated with graphite and wax, placed between the spherical ball of the dolly and a circular cap G fitting over the support.
GB190927446D1909-01-071909-01-07Improvements in Tumbler Switches.
ExpiredGB190927446A
(en)
Two-part current rail for electric railways, in which the part mainly used for the current supply is of soft conductive material and the part on which the socket rubs is of hard material