Patent ID: 7185565
Filing Date: 2007-03-06
Classification: B25B,B25G

Abstract:
1. A screwdriver having a ratchet mechanism comprising: a tool sleeve provided with a ratchet head, said ratchet head comprising ratchet teeth; a handle comprising a hollow chamber to accommodate said tool sleeve and a ratchet base, said ratchet base comprising a compartment, a first recess and a second recess, said first and second recesses interconnecting with said compartment, said compartment accommodating said ratchet head and said ratchet teeth; a first detent accommodated in said first recess of said ratchet base of said handle, said first detent comprising a stud to be connected to said ratchet base; a first elastic element disposed in said first recess and engaging with said first detent and said ratchet base, urging said first detent to engage with said ratchet teeth of said ratchet head; a second detent accommodated in said second recess of said ratchet base of said handle, said second detent comprising a stud to be connected to said ratchet base; a second elastic element disposed in said second recess and engaging with said second detent and said ratchet base, urging said second detent to engage with said ratchet teeth of said ratchet head; a switch assembly pivotally connected to said handle comprising a first stud and a second stud, said first stud engaging with said first detent, said second stud engaging with said second detent; and wherein said handle further comprises a disc having a through hole.