Box wrench having a pivotally and slidably disposed torquing element

• US 3,241,409 A
• Filed: 04/30/1964
• Issued: 03/22/1966
• Est. Priority Date: 04/30/1964
• Status: Expired due to Term

• Current Assignee: George M. Raptis
• Original Assignee: George M. Raptis
• Inventors: Raptis, George M.
• Application Number:
  US04/363,863
• Time in Patent Office: 691 Days
• US Class Current: 81/94
• CPC Class Codes: B25B 13/04 of ring jaw type
• CPC Class Codes: B25B 13/12 the jaws being slidable
• CPC Class Codes: B25B 13/28 the jaws being pivotally movable
• CPC Class Codes: B25B 13/38 by cam, wedge, or friction means

Claims

1. A BOX WRENCH WHICH COMPRISES:

(A) A SHANK;

(B) A PAIR OF CYLINDRICAL HEAD MEMBERS MOUNTED ON THE SHANK AND SPACED APART FROM EACH OTHER, SAID HEAD MEMBERS HAVING CENTRALLY DISPOSED ALIGNED BORES THERETHROUGH, AND SAID BORES BEING ADAPTED FOR CIRCUMFERENTIAL MOUNTING ON A TORQUING SURFACE ON A WORKPIECE;

(C) ALIGNED TORQUING SURFACES ON A PORTION OF SAID BORES, SAID TORQUING SURFACES BEING ADAPTED TO MATE WITH A PORTION OF THE TORQUING SURFACE OF THE WORKPIECE;

(D) A THIRD CYLINDRICAL HEAD MEMBER PIVOTALLY AND SLIDABLY DISPOSED BETWEEN SAID PAIR OF HEAD MEMBERS, SAID THIRD HEAD MEMBER HAVING A CENTRALLY DISPOSED BORE THERETHROUGH ADAPTED FOR ALIGNMENT WITH THE BORES IN SAID PAIR OF HEAD MEMBERS;

AND (E) A TORQUING SURFACE ON A PORTION OF THE BORE IN SAID THIRD HEAD MEMBER, SAID TORQUING SURFACE BEING DISPOSED SUBSTANTIALLY OPPOSITE THE TORQUING SURFACES ON SAID PAIR OF HEAD MEMBERS, AND SAID TORQUING SURFACE BEING ADAPTED TO MATE WITH ANOTHER PORTION OF THE TORQUING SURFACE OF THE WORKPIECE.