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 Andrew Jones Haslop
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Individual
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Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190720460ApublicationCriticalpatent/GB190720460A/en
Milling, Broaching, Filing, Reaming, And Others
(AREA)
Abstract
20,460. Haslop, J. A. J. Sept. 13. Filing-apparatus.-A hand-tool for trueing-up or cleaning electric contacts comprises a sheath b, provided with hand-grips or handles b<1>, and a spindle a having file surfaces on its ends a<1>, a<2>. The sheath acts as a guide for the file when it is being used to clean a contact on a screw or flat plate, the file being rotated by means of a cap placed over the end a<2>.
GB190720460D1907-09-131907-09-13A Device for Cleaning or Trueing Electric Contacts.
ExpiredGB190720460A
(en)