US4363496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling cart
Assignee: Knoll Inc
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Filing: 1980-12-04
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Granted: 1982-12-14
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Expires: 2000-12-04
Abstract
Abstract A material handling cart for storing and transporting one or more material handling totes of various sizes. The cart includes a plurality of vertically spaced horizontal support rails interconnecting a pair of frames having casters at the base thereof and curved handle portions rearward of the horizontal support rails.
Inventors
- 👤 Charles P. Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:24
CPC Classifications
B; B62; B62B; B62B1/00; B62B3/00; B62B3/10; B62B2202/00; B62B2202/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
165 words
A material handling cart for storing and supporting a plurality of material handling totes of different depths, said cart comprising: a pair of spaced parallel vertical members; a plurality of equidistantly spaced horizontal support rails interconnecting said pair of spaced parallel vertical members constructed and arranged to support material handling totes of different depths, said horizontal support rails being tubular and including a flat back portion and a front portion that is parallel with said back portion for its lower half and tapered towards said back portion for its upper half; a forwardly and downwardly projecting support leg connected to each of said vertical members, said forwardly and downwardly projecting support legs terminating in a vertical portion remote from their connection to said vertical member; and a first pair of casters, one each mounted in the bottom of each of said vertical members and a second pair of casters one each mounted in the end of each of said vertical portions of said support legs.
Claim 2
Dependent Claim
165 words
A material handling cart for storing and supporting a plurality of material handling totes of different depths, said cart comprising: a pair of spaced parallel vertical members; a plurality of equidistantly spaced horizontal support rails interconnecting said pair of spaced parallel vertical members constructed and arranged to support material handling totes of different depths, said horizontal support rails being tubular and including a flat back portion and a front portion that is parallel with said back portion for its lower half and tapered towards said back portion for its upper half; a forwardly and downwardly projecting support leg connected to each of said vertical members, said forwardly and downwardly projecting support legs terminating in a vertical portion remote from their connection to said vertical member; and a first pair of casters, one each mounted in the bottom of each of said vertical members and a second pair of casters one each mounted in the end of each of said vertical portions of said support legs.
Claim 3
Dependent Claim
41 words
The material handling cart according to claim 1 wherein said first pair of casters are fixed in a plane perpendicular to said horizontal support rails and said second pair of casters are rotatable in said vertical portions of said support legs.
Claim 4
Dependent Claim
31 words
The material handling cart of claim 1 wherein said pair of spaced parallel vertical members include curved handle portions and hand grips at the upper ends thereof remote from said casters.
Claim 5
Dependent Claim
29 words
The material handling cart according to claim 1 wherein triangular brace means interconnect said spaced parallel vertical members and said forwardly and downwardly projecting support legs adjacent their intersection.
Claim 6
Dependent Claim
52 words
A material handling cart according to claim 1 wherein said equidistantly spaced horizontal support rails are spaced a predetermined distance from each other and a material handling tote hooked to the flat back portion of one support rail will be laterally supported by the lower half of the next lower support rail.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-13 | 1986-06-14 | 1986-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-13 | 1990-06-14 | 1990-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-13 | 1994-06-14 | 1994-12-14 | $7700.00 | Window Closed / Lapsed |