IP Library Granted Patent US 11,325,629
Granted Patent B2
US 11,325,629 · App. 17/079,332 · Granted May 10, 2022

Transport trolley

Inventors: Dirk Webert (Leipheim, DE); Johann Daminger (Neu-Ulm, DE); Hermann Eichele (Leipheim, DE); Markus Riesenegger (Ettenbeuren, DE); Ralf Maier (Leipheim, DE); Michael Gerstmaier (Obermedlingen, DE); Paul Ruf (Eppishausen, DE); Karl-Heinz Horn (Krumbach/Niederraunau, DE); Georg Wiedemann (Kirchheim, DE); Thomas Gasche (Leipheim, DE)
Assignee: Wanzl GmbH & Co. KGaA
B62B5/06B62B3/005B62B5/0096B62B5/082
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,325,629
App. No.
17/079,332
Granted
May 10, 2022
Kind
B2
Abstract

The invention relates to a stackable transport trolley, in particular a stackable shopping trolley, comprising a chassis and a basket; the chassis includes a support frame and a frame of rods which is arranged on the support frame, the frame of rods supporting the basket.

Claims (15)

1. A child seat for a stackable transport trolley, comprising a backrest which is composed of plastic, arranged on the stackable transport trolley so as to be pivotable about a horizontal axis and to which at least one seat board is coupled in a sliding or pivotable manner, wherein the backrest is formed integrally, and wherein at least one subsection of the backrest is a hollow body, wherein the backrest has side members which are hollow bodies and are provided with reinforcing struts in an interior of the backrest;

wherein the backrest is H-shaped and a connection of two limbs of the H shape is a backrest wall; and

wherein cavities are provided between the reinforcing struts, which cavities, in an assembled state of the stackable transport trolley, are accessible in a region of the backrest wall via openings provided on a side of the backrest facing a rear of the stackable transport trolley which forms a basket.

2. The child seat for the stackable transport trolley of claim 1 , wherein the cavities are accessible in a region below the backrest via openings located on a side member inner side, wherein respective inner sides of each side member face each other.

3. The child seat for the stackable transport trolley of claim 1 , wherein the backrest further comprises two longitudinal sliding guides.

4. The child seat for the stackable transport trolley of claim 1 , wherein, in an unfolded state, the seat board is guided downward and latched to the backrest via a latching lug.

5. The child seat for the stackable transport trolley of claim 1 , wherein the backrest is mounted with a lower boundary on a wall formed by a rear side of the basket of the stackable transport trolley.

6. The child seat for the stackable transport trolley of claim 5 , wherein the horizontal axis about which the basket is pivotable is located in a lower region of the basket wall.

7. The child seat for the stackable transport trolley of claim 5 , wherein the backrest is pivotable onto the basket wall.

8. The child seat for the stackable transport trolley of claim 7 , wherein the basket wall together with the seat board and backrest are pivotable into the interior of the basket of the stackable transport trolley.

9. The child seat for the stackable transport trolley of claim 5 , wherein the seat board has a flap which is configured to fold upwards against the basket wall.

10. The child seat for the stackable transport trolley of claim 1 , wherein the openings are slots.

11. The child seat for the stackable transport trolley of claim 10 , wherein the openings are horizontally adjacent the connection of the two limbs of the backrest.

12. The child seat for the stackable transport trolley of claim 1 , wherein the cavities are accessible in a region below the backrest via the openings horizontally adjacent the connection of the two limbs of the backrest, and a second set of openings is located on a side member inner side, wherein respective inner sides of each side member face each other.

13. The child seat for the stackable transport trolley of claim 1 , wherein the cavities are accessible in a region below the backrest via the openings horizontally adjacent the connection of the two limbs of the backrest, and a second set of openings is located on an outer edge of the side members of the backrest.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 6, 2022
From: WEBERT, DIRK; DAMINGER, JOHANN; EICHELE, HERMANN; RIESENEGGER, MARKUS; MAIER, RALF; GERSTMAIER, MICHAEL; RUF, PAUL; HORN, KARL-HEINZ; WIEDEMANN, GEORG; GASCHE, THOMAS
To: WANZL METALLWARENFABRIK GMBH
Reel/Frame 059521/0634 →
CHANGE OF NAME Recorded Apr 6, 2022
From: WANZL METALLWARENFABRIK GMBH
To: WANZL GMBH & CO. KGAA
Reel/Frame 059620/0476 →
Priority Claims (2)
DE 20 2015 009 019.2 · Nov 2, 2015 · national
DE 20 2015 105 816.0 · Nov 2, 2015 · national
Continuity (2)
Division 15772788
Related Publication 20210107550A1 · Apr 15, 2021