In certain aspects, a roller assembly includes a base structure defining multiple recesses that extend inwardly from a top surface of the base structure, a first wheel, and a second wheel. The multiple recesses are configured such that at least one of the multiple recesses is engageable with an auxi
In certain aspects, a roller assembly includes a base structure defining multiple recesses that extend inwardly from a top surface of the base structure, a first wheel, and a second wheel. The multiple recesses are configured such that at least one of the multiple recesses is engageable with an auxiliary component of the load, and the multiple recesses include a central recess positioned at a center of the top surface of the base structure. The first wheel is disposed along a first side of the base structure, and the second wheel is disposed along a second side of the base structure, the second side of the base structure being spaced apart from and parallel to the first side of the base structure.
대표청구항▼
1. A method of transporting a load across a support surface, the method comprising: inserting at least two roller assemblies underneath the load, the at least two roller assemblies having a strength that is sufficient to support the load, each roller assembly comprising: a base structure defining a
1. A method of transporting a load across a support surface, the method comprising: inserting at least two roller assemblies underneath the load, the at least two roller assemblies having a strength that is sufficient to support the load, each roller assembly comprising: a base structure defining a plurality of recesses that extend inwardly from a top surface of the base structure, the plurality of recesses being configured such that at least one of the plurality of recesses is engageable with an auxiliary component of the load, and the plurality of recesses comprising a central recess positioned at a center of the top surface of the base structure,a first wheel disposed along a first side of the base structure, anda second wheel disposed along a second side of the base structure, the second side of the base structure being spaced apart from and parallel to the first side of the base structure;positioning the auxiliary component of the load within a recess of the plurality of recesses; andmoving the load across the support surface while the at least two roller assemblies are disposed underneath the load. 2. The method of claim 1, further comprising: determining distances at which the load should be positioned above the support surface; andselecting the at least two roller assemblies to be inserted underneath the load based on the determined distances. 3. The method of claim 1, further comprising lifting the load from the support surface. 4. The method of claim 1, further comprising adjusting a height of at least one of the two roller assemblies. 5. The method of claim 1, wherein moving the load across the support surface comprises applying a force to a handle coupled to at least one of the two roller assemblies. 6. The method of claim 5, wherein the base structure comprises first and second projections that extend respectively along the first and second sides of the base structure, and wherein the first and second projections of the base structure define an opening sized to receive an end portion of the handle. 7. The method of claim 1, wherein the plurality of recesses are spaced apart from one another, such that two of the plurality of recess are disposed adjacent the first side of the base structure and two of the plurality of recesses are disposed adjacent the second side of the base structure. 8. A method of manufacturing a roller assembly, the method comprising: forming a profile;forming a plurality of recesses that extend inwardly from a first surface of the profile to form a base structure of the roller assembly, the plurality of recesses being configured such that at least one of the plurality of recesses is engageable with an auxiliary component of a load, and the plurality of recesses comprising a central recess positioned at a center of the first surface of the profile;positioning the auxiliary component of the load within a recess of the plurality of recesses;coupling a first wheel to the base structure along a first side of the base structure; andcoupling a second wheel to the base structure along a second side of the base structure, the second side of the base structure being spaced apart from and parallel to the first side of the base structure. 9. The method of claim 1, wherein the auxiliary component comprises a leveling plate configured to level the load on the top surface of the base structure, the leveling plate comprising a leveling plate bottom surface comprising a plurality of posts formed in and extending away from the leveling plate bottom surface, wherein nesting the auxiliary component of the load with the recess of the plurality of recesses comprises positioning at least one of the plurality of posts within the recess. 10. The method of claim 8, further comprising: texturing a top surface of the base structure by at least one of scoring, knurling or adding a non-skid coating to the top surface of the base structure;texturing a bottom surface of the base structure by at least one of scoring, knurling or adding the non-skid coating to the bottom surface of the base structure; andtexturing inner surfaces of the plurality of recesses by at least one of scoring, knurling or adding the non-skid coating to the inner surfaces of the plurality of recesses.
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이 특허에 인용된 특허 (5)
Kichijo Hiroshi,JPX, Block assembly and devices formed thereby.
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