| 摘要 |
#CMT# #/CMT# The hand tool (1) consists of a handle (10) with a socket (123) in its end (12) that is designed to receive a cylindrical projection (141) on a rotary and replaceable head (14). The cylindrical projection is held in place in the socket by a ring (125) engaging with annular grooves (124, 142) in the socket and projection walls or, in a variant, by a springloaded ball engaging with notches. #CMT# : #/CMT# An independent claim is for a handle with a forked end that receives a swivelling socket for a head that can both swivel and rotate. #CMT#USE : #/CMT# Hand tool, especially for various types of wrench and ratchet heads. #CMT#ADVANTAGE : #/CMT# The rotary heads can be replaced or interchanged, and provide for a variety of working positions. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows an exploded perspective view of the hand tool. 1 : Tool 10 : Handle 12 : Handle end 14 : Head 123 : Socket 124, 142 : Grooves 125 : Ring 141 : Cylindrical projection. |
