# US 2014/0151971 A1 · Ergonomic trolley handle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0151971 A1 - Document ID: US20140151971A1 - Status: Published application - Kind: A1 - Application number: 13/705,201 - Filed: 2012-12-05 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: Truper Herramientas, SA DE CV - Inventors: Bradley Workman; David Jackson; Mark Dorenkott; Arie Jusidman - Web page: https://patentgrep.com/patent/US20140151971A1 ## CPC - B62B 5/06: Hand moving equipment, e.g. handle bars (for cycles B62K11/14, B62K21/12) - B62B 1/20: involving parts being collapsible, attachable, detachable or convertible - B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M) ## Abstract A trolley handle is configured for placement upon a handle stock for a trolley or wheelbarrow and gripped by an operator for a transit grip to transport a load, a dump grip to dump a load, and a transition grip for transition between the transit and dump grips. The trolley handle includes: a closed loop handle housing; a first grip zone defined upon the closed loop handle housing at a first predetermined position, and configured to ergonomically aid an operator to transit a wheelbarrow load; a second grip zone defined upon the closed loop handle housing at a second predetermined position, and configured to ergonomically aid an operator to dump the wheelbarrow load; and a third grip zone defined upon the closed loop handle housing at a third predetermined position, and configured to ergonomically aid an operator to transition between the first grip zone and the second grip zone. ## Claims ### Claim 1 An ergonomic trolley handle configured for placement upon a handle stock for a trolley or wheelbarrow and gripped by an operator for a transit grip to transport a load, a dump grip to dump a load, and a transition grip for transition between the transit grip and the dump grip, the trolley handle comprising: a closed loop handle housing; a first grip zone defined upon the closed loop handle housing at a first predetermined position, and configured to ergonomically aid an operator to transit a wheelbarrow load; a second grip zone defined upon the closed loop handle housing at a second predetermined position, and configured to ergonomically aid an operator to dump the wheelbarrow load; and a third grip zone defined upon the closed loop handle housing at a third predetermined position, and configured to ergonomically aid an operator to transition between the first grip zone and the second grip zone. ### Claim 2 (depends on 1) The ergonomic trolley handle of claim 1, wherein the first predetermined position consists of a transit angle defined relative to the closed loop handle housing, the transit angle defined between a first grip zone tangent line and a first grip zone apex tangent line that is parallel to a longitudinal axis of a handle stock. ### Claim 3 (depends on 1) The ergonomic trolley handle of claim 1, wherein the second predetermined position consists of a dumping angle defined relative to the closed loop handle housing, the dumping angle defined between a second grip zone tangent line and an second grip zone antapex tangent line that is parallel to a longitudinal axis of a surface upon which the wheelbarrow is at rest. ### Claim 4 (depends on 1) The ergonomic trolley handle of claim 1, wherein the third predetermined position consists of a transition angle defined relative to the closed loop handle housing, the transition angle defined between a third grip zone tangent line and a distal housing tangent line that is perpendicular to a longitudinal axis of a surface upon which the wheelbarrow is at rest. ### Claim 5 (depends on 2) The ergonomic trolley handle of claim 2, wherein the transit angle defined between the first grip zone tangent line and the first grip zone apex tangent line that is parallel to the longitudinal axis of the handle stock is selected from a range between or equal to five degrees to fifteen degrees. ### Claim 6 (depends on 2) The ergonomic trolley handle of claim 2, wherein the transit angle defined between the first grip zone tangent line and the first grip zone apex tangent line that is parallel to the longitudinal axis of the handle stock is approximately ten degrees. ### Claim 7 (depends on 3) The ergonomic trolley handle of claim 3, wherein the dumping angle defined between the second grip zone tangent line and the second grip zone antapex tangent line that is parallel to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to twenty five degrees to thirty five degrees. ### Claim 8 (depends on 3) The ergonomic trolley handle of claim 3, wherein the dumping angle defined between the second grip zone tangent line and the second grip zone antapex tangent line that is parallel to the longitudinal axis of the surface upon which the wheelbarrow is at rest is approximately thirty degrees. ### Claim 9 (depends on 4) The ergonomic trolley handle of claim 4, wherein the transition angle defined between the third grip zone tangent line and the distal housing tangent line that is perpendicular to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to forty five degrees to fifty five degrees. ### Claim 10 (depends on 4) The ergonomic trolley handle of claim 4, wherein the transition angle defined between the third grip zone tangent line and the distal housing tangent line that is perpendicular to the longitudinal axis of the surface upon which the wheelbarrow is at rest is approximately fifty degrees. ### Claim 11 (depends on 1) The ergonomic trolley handle of claim 1, further comprising: an engagement section for securing the trolley handle securely to the handle stock; and at least one fastening means to maintain the trolley handle securely to the handle stock. ### Claim 12 (depends on 1) The ergonomic trolley handle of claim 1, wherein the closed loop handle housing, first grip zone, second grip zone, and third grip zone comprising the trolley handle are integrally formed and form a one-piece handle. ### Claim 13 (depends on 1) The ergonomic trolley handle of claim 1, wherein the closed loop handle housing, first grip zone, second grip zone, and third grip zone comprising the trolley handle are plastic. ### Claim 14 A combined ergonomic trolley handle and handle stock comprising: a handle stock for a trolley or wheelbarrow; a closed loop handle housing disposed upon the handle stock and configured for placement on a trolley or wheelbarrow and grip by an operator for a transit grip to transport a load, a dump grip to dump a load, and a transition grip for transition between the transit grip and the dump grip; a first grip zone defined upon the closed loop handle housing at a first predetermined position, and configured to ergonomically aid an operator to transit a wheelbarrow load; a second grip zone defined upon the closed loop handle housing at a second predetermined position, and configured to ergonomically aid an operator to dump the wheelbarrow load; and a third grip zone defined upon the closed loop handle housing at a third predetermined position, and configured to ergonomically aid an operator to transition between the first grip zone and the second grip zone. ### Claim 15 (depends on 14) The combined ergonomic trolley handle and handle stock of claim 14, wherein the first predetermined position consists of a transit angle defined relative to the closed loop handle housing, the transit angle defined between a first grip zone tangent line and a first grip zone apex tangent line that is parallel to a longitudinal axis of a handle stock; wherein the second predetermined position consists of a dumping angle defined relative to the closed loop handle housing, the dumping angle defined between a second grip zone tangent line and an second grip zone antapex tangent line that is parallel to a longitudinal axis of a surface upon which the wheelbarrow is at rest; and wherein the third predetermined position consists of a transition angle defined relative to the closed loop handle housing, the transition angle defined between a third grip zone tangent line and a distal housing tangent line that is perpendicular to a longitudinal axis of a surface upon which the wheelbarrow is at rest. ### Claim 16 (depends on 14) The combined ergonomic trolley handle and handle stock of claim 14, wherein the transit angle defined between the first grip zone tangent line and the first grip zone apex tangent line that is parallel to the longitudinal axis of the handle stock is selected from a range between or equal to five degrees to fifteen degrees; wherein the dumping angle defined between the second grip zone tangent line and the second grip zone antapex tangent line that is parallel to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to twenty five degrees to thirty five degrees; and wherein the transition angle defined between the third grip zone tangent line and the distal housing tangent line that is perpendicular to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to forty five degrees to fifty five degrees. ### Claim 17 A wheelbarrow having ergonomic trolley handles comprising: a wheelbarrow; a pair of handle stocks disposed upon the wheelbarrow; a closed loop handle housing disposed upon each of the handle stocks and configured grip by an operator for a transit grip to transport a load, a dump grip to dump a load, and a transition grip for transition between the transit grip and the dump grip; a first grip zone defined upon the closed loop handle housing at a first predetermined position, and configured to ergonomically aid an operator to transit a wheelbarrow load; a second grip zone defined upon the closed loop handle housing at a second predetermined position, and configured to ergonomically aid an operator to dump the wheelbarrow load; and a third grip zone defined upon the closed loop handle housing at a third predetermined position, and configured to ergonomically aid an operator to transition between the first grip zone and the second grip zone. ### Claim 18 (depends on 17) The wheelbarrow having ergonomic trolley handles of claim 17, wherein the first predetermined position consists of a transit angle defined relative to the closed loop handle housing, the transit angle defined between a first grip zone tangent line and a first grip zone apex tangent line that is parallel to a longitudinal axis of a handle stock; wherein the second predetermined position consists of a dumping angle defined relative to the closed loop handle housing, the dumping angle defined between a second grip zone tangent line and an second grip zone antapex tangent line that is parallel to a longitudinal axis of a surface upon which the wheelbarrow is at rest; and wherein the third predetermined position consists of a transition angle defined relative to the closed loop handle housing, the transition angle defined between a third grip zone tangent line and a distal housing tangent line that is perpendicular to a longitudinal axis of a surface upon which the wheelbarrow is at rest. ### Claim 19 (depends on 18) The wheelbarrow having ergonomic trolley handles of claim 18, wherein the transit angle defined between the first grip zone tangent line and the first grip zone apex tangent line that is parallel to the longitudinal axis of the handle stock is selected from a range between or equal to five degrees to fifteen degrees; wherein the dumping angle defined between the second grip zone tangent line and the second grip zone antapex tangent line that is parallel to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to twenty five degrees to thirty five degrees; and wherein the transition angle defined between the third grip zone tangent line and the distal housing tangent line that is perpendicular to the longitudinal axis of the surface upon which the wheelbarrow is at rest is selected from a range between or equal to forty five degrees to fifty five degrees. ### Claim 20 (depends on 18) The wheelbarrow having ergonomic trolley handles of claim 18, wherein the transit angle defined between the first grip zone tangent line and the first grip zone apex tangent line that is parallel to the longitudinal axis of the handle stock is approximately ten degrees; wherein the dumping angle defined between the second grip zone tangent line and the second grip zone antapex tangent line that is parallel to the longitudinal axis of the surface upon which the wheelbarrow is at rest is approximately thirty degrees; and wherein the transition angle defined between the third grip zone tangent line and the distal housing tangent line that is perpendicular to the longitudinal axis of the surface upon which the wheelbarrow is at rest is approximately fifty degrees.