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.)
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.)
BROCHON WILHELM RENE
Original Assignee
BROCHON WILHELM RENE
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 BROCHON WILHELM RENEfiledCriticalBROCHON WILHELM RENE
Priority to ES0025722UpriorityCriticalpatent/ES25722Y/en
Publication of ES25722UpublicationCriticalpatent/ES25722U/en
Application grantedgrantedCritical
Publication of ES25722YpublicationCriticalpatent/ES25722Y/en
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
By a blow screwdriver, characterized in that its handle is a hollow mallet acting as a hammer on the screwdriver itself, and is constituted by a cylindrical body, compressed by a spring, provided with straight and helical grooves guided by the tips of its retaining screws on its handle, which allows to print, by the blow of the hammer, a sudden movement of tightening or loosening, blocking or unlocking the screws. (Machine-translation by Google Translate, not legally binding)
ES0025722U1949-10-211949-10-21
Hit screwdriver
ExpiredES25722Y
(en)