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
GB169537A
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.)
EDITH GRACE HOLTON
FREDERICK HENRY BAILEY
LAURENCE BUSH
THOMAS WILLOUGHBY HOLLEDGE
Original Assignee
EDITH GRACE HOLTON
FREDERICK HENRY BAILEY
LAURENCE BUSH
THOMAS WILLOUGHBY HOLLEDGE
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 EDITH GRACE HOLTON, FREDERICK HENRY BAILEY, LAURENCE BUSH, THOMAS WILLOUGHBY HOLLEDGEfiledCriticalEDITH GRACE HOLTON
Priority to GB169537ApriorityCriticalpatent/GB478770A/en
Publication of GB478770ApublicationCriticalpatent/GB478770A/en
H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)
Switch Cases, Indication, And Locking
(AREA)
Abstract
478,770. Switch covers. HOLLEDGE, A. A., HOLLEDGE, T. W., HOLTON, E. G., BUSH, L., and BAILEY, F. H. Jan. 20, 1937, No. 1695. [Class 38 (v)] The metal cover plate 1 of a flush-mounted switch is formed with a plurality of sharp projections 2 by indenting with a suitable tool. The projections 2 engage the wall and prevent rotation of the cover plate.
GB169537A1937-01-201937-01-20Improvements in or relating to the mounting of electric switches on walls
ExpiredGB478770A
(en)