Universal socket for socket wrench

• US 6,138,534 A
• Filed: 10/05/1999
• Issued: 10/31/2000
• Est. Priority Date: 09/28/1999
• Status: Expired due to Fees

• Current Assignee: Jin-Chai Cho
• Original Assignee: Jin-Chai Cho
• Inventors: Cho, Jin-Chai
• Primary Examiner(s): MEISLIN, DEBRA S
• Application Number:
  US09/412,782
• Time in Patent Office: 392 Days
• Field of Search: 81/185, 81/124.4, 81/124.5, 81/DIG. 11, 81/439, 81/442, 81/448, 81/179, 81/461
• US Class Current: 81/185
• CPC Class Codes: B25B 13/105 composed of a plurality of slidable pins
• CPC Class Codes: Y10S 81/11 Adapters for different-sized fasteners

Abstract

An universal socket wrench, which includes a socket body for attaching to the workpiece to be turned, a locating block mounted in the socket body, the locating block having a plurality of through holes through top side and bottom sides thereof, a solid cover plate covered on the bottom side of the locating block, a pad covered on the top side of the locating block, the pad having a plurality of insertion holes respectively axially aligned with the through holes at the locating block, a plurality of spring members respectively mounted in the through holes inside the locating block, a plurality of rod members respectively inserted through the through holes at the pad into the through holes at the locating block and supported on the spring members, the rod members each having an outer end terminating in a holding down block suspended outside the locating block, and a plurality of connecting members stopped inside the locating block by the pad and respectively connected between the spring members and the rod members. The rod members are stopped at the top side and around the peripheral wall of the workpice when the socket body is attached to the workpiece, enabling the workpiece to be positive turned with the socket body by a handle being coupled to the socket body.

Claims

1. A socket for a universal socket wrench, comprising:

a socket body, said socket body comprising coupling hole at one end thereof, and a locating hole at an opposite end thereof for attaching to the workpiece to be turned;

a locating block mounted in the locating hole inside said socket body, said locating block having a top side, a bottom side, a plurality of through holes through said top side and said bottom side, and a plurality of screw holes at said top side;

a solid cover plate covered on the bottom side of said locating block inside said socket body;

a pad covered on the top side of said locating block inside said socket body, said pad comprising a plurality of insertion holes respectively axially aligned with the through holes at said locating block, and a plurality of mounting holes respectively fastened to the screw holes at said locating block by a respective screw;

a plurality of spring members respectively mounted in the through holes inside said locating block;

a plurality of rod members respectively inserted through the through holes at said pad into the through holes at said locating block and supported on the spring members in said locating block, said rod members each having a holding down block suspended outside said locating block and said pad and a coupling portion supported on one spring member in said locating block; and

a plurality of connecting members stopped inside the through holes at said locating block by said pad and respectively connected between said spring members and the coupling portion of each of said rod members.

2. The universal socket wrench of claim 1 wherein said connecting members are spring elements.

3. The universal socket wrench of claim 1 wherein said connecting members are copper caps.

4. The universal socket wrench of claim 1 wherein said connecting members are plastic caps.