# US 9,039,344 B1 · Universal work tool connector device for skid steer loader > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,039,344 B1 - Document ID: US9039344B1 - Status: Granted - Kind: B1 - Application number: 13/999,499 - Filed: 2014-03-03 - Granted: 2015-05-26 - Earliest claimed: 2013-06-14 - Applicants: Herman H Marcus - Inventors: Herman H Marcus - Web page: https://patentgrep.com/patent/US9039344B1 ## CPC - E02F 3/3414: {the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader} - E02F 3/3627: {with a hook and a longitudinal locking element} - E02F 3/3695: {Arrangements for connecting dipper-arms to loaders or graders} - E02F 3/386: {the boom being laterally shiftable relative to the frame} - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) ## Abstract A connector device enables universal compatibility and interchangeability between any work tool accessory having a boom feature and any skid steer loader as well as controlled support of the work tool accessory. The connector device also prevents machine instability issues. ## Claims ### Claim 1 A connector device coupling a skid steer loader to a work tool accessory, said connector device comprising: (a) a pair of anchor hook assemblies each comprising an adjusting bolt, an anchor hook, a hex nut one end of which matingly connects said anchor hook, a pin positioned between said hex nut and a bolt head of said adjusting bolt, and a washer assembly positioned between said pin and said bolt head; (b) a pair of anchor pads, for coupling to a skid steer loader, each comprising an anchor plate, a pair of flanges spatially position on said anchor plate, and a pin attaching said pair of flanges therebetween, each anchor pad receives each said anchor hook; and (c) a pair of hooks, for coupling to a work tool accessory, comprising a first part and a second part, said first part including two hooks spatially positioned on a first hook plate, said second part including two hooks spatially positioned on a second hook plate, each said two hooks receives therebetween the pin of each anchor hook assembly. ### Claim 2 (depends on 1) The connector device according to claim 1, one hook in said first part positioned nearest a left edge of said first hook plate. ### Claim 3 (depends on 1) The connector device according to claim 1, one hook in said second part positioned nearest a right side edge of said second hook plate. ### Claim 4 (depends on 1) The connector device according to claim 1, each hook supporting an axial area of said pin surrounding a diameter of said adjusting bolt. ### Claim 5 (depends on 1) The connector device according to claim 1, each hook decreasing in dimension from a bottom upwardly, a back region sloping at a gradual incline upwardly from a rear of the hook, and a rear which slope inclines at a rate greater than the slope of said back region. ### Claim 6 (depends on 1) The connector device according to claim 1, an area of the hook behind and below an open space in the hook approximating two-thirds of the area of the hook. ### Claim 7 (depends on 1) The connector device according to claim 1, each hook having a front base portion extending beyond a top point of the hook. ### Claim 8 (depends on 1) The connector device according to claim 1, said washer assembly locking said anchor hook assembly pin against lateral movement. ### Claim 9 (depends on 1) The connector device according to claim 1, said stop pad backstopping a rear surface of a coupler of said skid steer loader. ### Claim 10 (depends on 1) The connector device according to claim 1, said anchor hook is curved in the shape of a “c”. ### Claim 11 (depends on 1) The connector device according to claim 1, said anchor hook assembly pin is a cylindrical pin. ### Claim 12 (depends on 1) The connector device according to claim 1, comprising a stop pad angularly attached in a vicinity of a distal end on a lift arm of said skid steer loader. ### Claim 13 A method of using a connector device coupling a skid steer loader to a work tool accessory, said method comprising the steps of: (a) installing a pair of hooks on a work tool accessory, each pair comprising a first part and a second part, by securing a first part including two hooks spatially positioned on a first hook plate, on one side of a control panel, and securing a second part including two hooks spatially positioned on a second hook plate, on another side of a control panel; (b) installing a pair of anchor pads on said loader, each pair comprising an anchor plate, a pair of flanges spatially position on said anchor plate, and a pin attaching said pair of flanges therebetween; (c) coupling the work tool accessory to said skid steer loader with a pair of anchor hook assemblies such that each anchor hook of each anchor hook assembly receives each anchor pad attached on said loader, and each pin of each anchor hook assembly is received into said first part and said second part, respectively, each pair comprising an adjusting bolt, an anchor hook, a hex nut one end of which matingly connects said anchor hook, and a pin positioned between said hex nut and a bolt head of said adjusting bolt; (d) installing a stop pad on said loader, backstopping a rear surface of a coupler of said skid steer loader against further movement.