# US 8,770,069 B2 · Automatically-configurable screwdriver assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,770,069 B2 - Document ID: US8770069B2 - Status: Granted - Kind: B2 - Application number: 13/069,931 - Filed: 2011-03-23 - Published: 2012-09-27 - Granted: 2014-07-08 - Earliest claimed: 2011-03-23 - Applicants: Eric Draizin - Inventors: Eric Draizin - Web page: https://patentgrep.com/patent/US8770069B2 ## CPC - B25B 23/106: {the driving bit being a blade} - B25B 15/005: {with cross- or star-shaped cross-section} - B25B 15/007: {with blade of flat or substantially flat cross-section} - B25B 15/02: operated by rotating the handle - B25B: TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING ## Abstract An automatically-configurable screwdriver assembly includes a shaft with a hollow interior portion, a proximal end, and a distal end. A first blade is fixedly coupled to the distal end of the shaft to prevent motion in a proximal direction and a plunger is at least partially located within the hollow interior portion of the shaft and slidable therein between an extended position and a retracted position. A compression member exerts force on the plunger in a distal direction and a second blade is mechanically coupled to the plunger so that, when the plunger is in the extended position, the first blade and second blade extend approximately equidistant from the distal end of the shaft and form a substantially perpendicular configuration with one another and when the plunger is in the retracted position, the first blade extends a greater distance from the distal end of the shaft than does the second blade. ## Claims ### Claim 1 An automatically-configurable screwdriver assembly comprising: a shaft: having a proximal end; having a distal end; having a length separating the proximal end and the distal end; and defining a hollow interior portion; a first blade fixedly coupled to the distal end of the shaft to prevent motion in a proximal direction; a plunger at least partially located within the hollow interior portion of the shaft and slidable therein between an extended position and a retracted position; a compression member exerting force on the plunger in a distal direction; and a second blade mechanically coupled to the plunger, wherein, when the plunger is in the extended position, the first blade and second blade extend approximately equidistant from the distal end of the shaft and form a substantially perpendicular configuration with one another and when the plunger is in the retracted position, the first blade extends a greater distance from the distal end of the shaft than does the second blade. ### Claim 2 (depends on 1) The assembly according to claim 1, further comprising: a handle coupled to the proximal end of the shaft. ### Claim 3 (depends on 1) The assembly according to claim 1, wherein the second blade comprises: a first blade half and a second blade half separate from each other and coupled to the plunger in a co-planar arrangement. ### Claim 4 (depends on 3) The assembly according to claim 3, wherein: the first blade half is on a first side of the first blade and the second blade half is on a second side of the first blade. ### Claim 5 (depends on 1) The assembly according to claim 1, wherein: the compression member is a spring. ### Claim 6 (depends on 1) The assembly according to claim 1, further comprising: an insert coupled to the proximal end of the shaft, the insert sized and shaped to removably couple with a screwdriver tool. ### Claim 7 (depends on 1) The assembly according to claim 1, wherein: the hollow interior portion is located at the distal end of the shaft. ### Claim 8 A self adjusting screwdriver assembly comprising: a body having: a proximal end; and a distal end opposite the proximal end; a first portion of a screwdriver blade physically coupled to the distal end of the body and prevented from moving in at least one direction; a second portion of the screwdriver blade slidable in a longitudinal direction of the body between an extended position and a retracted position, the extended position substantially aligning the first portion of the screwdriver blade with the second portion of the screwdriver blade and the retracted position leaving the first portion of the screwdriver blade extending from the distal end further than the second portion of the screwdriver blade; and a biasing member biasing the second portion of the screwdriver blade in the extended position, wherein when the second portion of the screwdriver blade is in the extended position, the first portion of the screwdriver blade and the second portion of the screwdriver blade are substantially perpendicular to each other. ### Claim 9 (depends on 8) The screwdriver assembly according to claim 8, wherein the body comprises: an elongated shaft. ### Claim 10 (depends on 9) The screwdriver assembly according to claim 9, further comprising: a handle coupled to the proximal end of the elongated shaft. ### Claim 11 (depends on 8) The screwdriver assembly according to claim 8, wherein: the body defines a hollow portion. ### Claim 12 (depends on 11) The screwdriver assembly according to claim 11, wherein: the second portion of the screwdriver blade is at least partially located and slidable within the hollow portion. ### Claim 13 A self adjusting screwdriver assembly, comprising: a body having: a proximal end; and a distal end opposite the proximal end; a first portion of a screwdriver blade physically coupled to the distal end of the body and prevented from moving in at least one direction; a second portion of the screwdriver blade slidable in a longitudinal direction of the body between an extended position and a retracted position, the extended position substantially aligning the first portion of the screwdriver blade with the second portion of the screwdriver blade and the retracted position leaving the first portion of the screwdriver blade extending from the distal end further than the second portion of the screwdriver blade; and a biasing member biasing the second portion of the screwdriver blade in the extended position, wherein when the second portion of the screwdriver blade is in the extended position, the first portion of the screwdriver blade and the a first portion of the screwdriver blade form a PHILLIPS screwdriver head. ### Claim 14 (depends on 13) The screwdriver assembly according to claim 13, wherein the body comprises: an elongated shaft. ### Claim 15 (depends on 13) The screwdriver assembly according to claim 13, further comprising: a handle coupled to the proximal end of the elongated shaft. ### Claim 16 (depends on 13) The screwdriver assembly according to claim 13, wherein: the body defines a hollow portion. ### Claim 17 (depends on 13) The screwdriver assembly according to claim 13, wherein: the second portion of the screwdriver blade is at least partially located and slidable within the hollow portion.