20110162486 | Open end ratchet wrench - An open end ratchet wrench includes a socket member received in an opened head member and having an open notch for selectively aligning with an open slot of the head member, a pawl engaged in the head member for determining the rotating direction of the socket member by the head member, and a spring biasing member engaged with the pawl and having two end portions extended out of the pawl and engaged with the head member for anchoring the spring biasing member to the head member and for evenly biasing the pawl to engage with the teeth of the socket member, the wrench head member includes rounded upper and lower peripheral portions for allowing the socket member and the ring member to be reached and to be easily operated by the user. | 07-07-2011 |