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US4492388A Expired / Lapsed US ⏱️ 0.0 years remaining

Collapsible shopping cart

Assignee: Individual
•
Filing: 1981-12-28
•
Granted: 1985-01-08
•
Expires: 2001-12-28
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Abstract

Abstract A shopping cart having a movable frame upon which at least one basket for purchases is mounted via a rod or support structure. The basket is removably fastened to the rod or support structure, which is collapsible on the frame.

Inventors

  • 👤 Hendrik C. de Wit

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:57
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/02; B62B3/027; B62B2205/00; B62B2205/20; Y; Y10; Y10S; Y10S280/00; Y10S280/04

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 453 words
A shopping cart comprising: a movable frame; a support structure collapsibly mounted on said frame; and at least one basket for purchases, said at least one basket being removably fastened to said support structure; said support structure comprising a U-shaped handle having a middle portion and two legs which extend downwardly at an angle in the operating state of said cart, the free end of each of said legs being respectively pivotally connected to said frame by means of a first hinge; said middle portion of said U-shaped handle being located at hand level in the operating state of said cart and forming a handgrip for pushing said cart; each leg of said handle respectively comprising an upper and lower member which are pivotally interconnected by means of a second hinge; the members of each leg being provided with abutment means for the at least nearly extended final position of said members, said second hinge, in the operating state of said cart, being located between said frame and the underside of said at least one basket; a respective auxiliary support rod having two ends being provided for each leg of said handle, one end of said support rod being pivotally connected to said frame by means of a third hinge, and the other end of said support rod being pivotally connected to said upper member of said leg by means of a fourth hinge; said abutment means including, on said lower member of said leg of said handle, an extension located on that side of said second hinge remote from said first hinge, said extension cooperating with said upper member of said leg in said at least nearly extended final position of said members; a shift piece displaceably mounted on each said upper member between said second hinge and said fourth hinge, said shift piece being adapted to be slid over said extension to effect fixing of said members of a given leg in said extended final position; a connecting rod which rigidly interconnects said shift pieces of each leg and simultaneously serves as a support for the underside of said at least one basket, a horizontal transverse bar located in the vicinity of said handgrip portion of said handle and extending between said legs of said handle, said at least one basket being fastened to said transverse bar; said at least one basket including a wire-part, and at least one hook that can be flipped over, said at least one hook, after introduction of said at least one basket into said support structure, being placed around said transverse bar of said handle to effect said fastening of said basket to said support structure, said at least one hook having two hook ends.
Claim 2
Dependent Claim 453 words
A shopping cart comprising: a movable frame; a support structure collapsibly mounted on said frame; and at least one basket for purchases, said at least one basket being removably fastened to said support structure; said support structure comprising a U-shaped handle having a middle portion and two legs which extend downwardly at an angle in the operating state of said cart, the free end of each of said legs being respectively pivotally connected to said frame by means of a first hinge; said middle portion of said U-shaped handle being located at hand level in the operating state of said cart and forming a handgrip for pushing said cart; each leg of said handle respectively comprising an upper and lower member which are pivotally interconnected by means of a second hinge; the members of each leg being provided with abutment means for the at least nearly extended final position of said members, said second hinge, in the operating state of said cart, being located between said frame and the underside of said at least one basket; a respective auxiliary support rod having two ends being provided for each leg of said handle, one end of said support rod being pivotally connected to said frame by means of a third hinge, and the other end of said support rod being pivotally connected to said upper member of said leg by means of a fourth hinge; said abutment means including, on said lower member of said leg of said handle, an extension located on that side of said second hinge remote from said first hinge, said extension cooperating with said upper member of said leg in said at least nearly extended final position of said members; a shift piece displaceably mounted on each said upper member between said second hinge and said fourth hinge, said shift piece being adapted to be slid over said extension to effect fixing of said members of a given leg in said extended final position; a connecting rod which rigidly interconnects said shift pieces of each leg and simultaneously serves as a support for the underside of said at least one basket, a horizontal transverse bar located in the vicinity of said handgrip portion of said handle and extending between said legs of said handle, said at least one basket being fastened to said transverse bar; said at least one basket including a wire-part, and at least one hook that can be flipped over, said at least one hook, after introduction of said at least one basket into said support structure, being placed around said transverse bar of said handle to effect said fastening of said basket to said support structure, said at least one hook having two hook ends.
Claim 3
Dependent Claim 24 words
A shopping cart according to claim 1, which includes a first basket, and a second basket which is removably fastened to said first basket.
Claim 4
Dependent Claim 17 words
A shopping cart according to claim 2, in which said second basket fits in said first basket.
Claim 5
Dependent Claim 22 words
A shopping cart according to claim 1, in which said frame includes a horizontal rack which serves as a support for purchases.
Claim 6
Dependent Claim 129 words
A shopping cart according to claim 1, which includes a transverse bar which is freely rotatably mounted in the vicinity of said handgrip portion of said handle and extends between said legs of said handle; in which said at least one basket includes a horizontal bar which is substantially parallel to said transverse bar in the operating state of said cart; and which includes a hook having a main portion and an upper hook end which extends at substantially right angles to said main portion, said upper hook end being rigidly connected to said transverse bar at a point far enough from said main portion to allow sufficient space to receive said horizontal bar of said basket therebetween to effect said fastening of said basket to said support structure.
Claim 7
Dependent Claim 438 words
A shopping cart comprising a movable frame and a support structure mounted on said frame and at least one basket made of wire or the like, removably hooked on to said support structure, said support structure comprising a U-shaped handle having a middle portion and two legs which extend downwardly at an angle in the operating state of said cart, the free end of each of said legs being respectively pivotally connected to said frame by means of a first hinge; said middle portion of said U-shaped handle being located at hand level in the operating state of said cart and forming a handgrip for pushing said cart; each leg of said handle respectively comprising an upper member and a lower member which are pivotally interconnected by means of a second hinge; the members of each leg being provided with abutment means for the extended final position of said members; said second hinge, in the operating state of the cart, being located between said frame and the underside of said at least one basket; a respectively auxiliary support rod having two ends provided for each leg of said handle, one end of said support rod being pivotally connected to said frame by means of a third hinge, and the other end of said support rod being pivotally connected to said upper member of said leg by means of a fourth hinge, said abutment means including, on said lower member of said leg of said handle, an extension located on that side of said second hinge remote from said first hinge, said extension cooperating with said upper member of said leg in said at least nearly extended final position of said members; and a shift piece displaceably mounted on each said upper member between said second hinge and said fourth hinge, said shift piece being adapted to be slid over said extension to effect fixing of said members of a given leg in said extended final position, said shift pieces being rigidly interconnected by a connecting rod, said connecting rod simultaneously serving as a support for the underside of said at least one basket, there being located in the vicinity of the said handgrip portion of said handle furthermore a horizontal transverse bar which extends between said legs of said handle, said at least one wire basket including at least one hook which is pivotally fastened to a wire-part of the basket, so that said hook can be flipped over after introduction of said basket into said support structure, for being placed around said transverse bar of said handle to effect fastening of said basket to said support structure.
Claim 8
Dependent Claim 438 words
A shopping cart comprising a movable frame and a support structure mounted on said frame and at least one basket made of wire or the like, removably hooked on to said support structure, said support structure comprising a U-shaped handle having a middle portion and two legs which extend downwardly at an angle in the operating state of said cart, the free end of each of said legs being respectively pivotally connected to said frame by means of a first hinge; said middle portion of said U-shaped handle being located at hand level in the operating state of said cart and forming a handgrip for pushing said cart; each leg of said handle respectively comprising an upper member and a lower member which are pivotally interconnected by means of a second hinge; the members of each leg being provided with abutment means for the extended final position of said members; said second hinge, in the operating state of the cart, being located between said frame and the underside of said at least one basket; a respectively auxiliary support rod having two ends provided for each leg of said handle, one end of said support rod being pivotally connected to said frame by means of a third hinge, and the other end of said support rod being pivotally connected to said upper member of said leg by means of a fourth hinge, said abutment means including, on said lower member of said leg of said handle, an extension located on that side of said second hinge remote from said first hinge, said extension cooperating with said upper member of said leg in said at least nearly extended final position of said members; and a shift piece displaceably mounted on each said upper member between said second hinge and said fourth hinge, said shift piece being adapted to be slid over said extension to effect fixing of said members of a given leg in said extended final position, said shift pieces being rigidly interconnected by a connecting rod, said connecting rod simultaneously serving as a support for the underside of said at least one basket, there being located in the vicinity of the said handgrip portion of said handle furthermore a horizontal transverse bar which extends between said legs of said handle, said at least one wire basket including at least one hook which is pivotally fastened to a wire-part of the basket, so that said hook can be flipped over after introduction of said basket into said support structure, for being placed around said transverse bar of said handle to effect fastening of said basket to said support structure.
Claim 9
Dependent Claim 16 words
A shopping cart according to claim 6, in which at least one hook has two hookends.
Claim 10
Dependent Claim 32 words
A shopping cart according to claim 6, which includes a first basket and a second basket which is removably fastened to said first basket, and which may nest in said first basket.

References Cited (Backward Citations)

US2705385A Cited
US3190673A Cited
US3361438A Cited
US3614133A Cited
US3774929A Cited
US3861633A Cited
US4369987A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-01-08 1988-07-09 1989-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-01-08 1992-07-09 1993-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-01-08 1996-07-09 1997-01-08 $7700.00 Window Closed / Lapsed

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