shopping cart

A technology for shopping carts and frames, applied in the field of shopping carts, can solve the problems of restricting the rotation of the wheels, difficulty in going up and down the steps of the shopping cart, etc.
CN104097675BInactive Publication Date: 2016-02-24梁达兵
6 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
梁达兵
Publication Date
2016-02-24
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a shopping cart which comprises a cart frame, an object storage basket, front wheels, rear wheels and a brake device. The object storage basket is installed on the cart frame, the two front wheels and the two rear wheels are connected on two sides of the cart frame, and the two rear wheels are connected through a rotating shaft fixed on the cart frame. Each rear wheel comprises a tripod and rollers, three legs of the tripod are connected with the rollers which are connected with the brake device, the brake device is installed on the tripods and the cart frame, and each tripod sleeves the rotating shaft and can rotate around the rotating shaft. The shopping cart has functions of braking and folding, and is simple in operation and safe in use. The shopping cart can cross over obstacles like steps even in the braking process, and the storage space is effectively saved when the shopping cart is folded.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of shopping carts, in particular to a shopping cart that is easy to go up and down steps. Background technique

[0002] When people push the shopping cart for shopping, in order to prevent the shopping cart from slipping accidentally or avoiding collision with obstacles, it is necessary to brake in time to control the safety state of the shopping cart. When the shopping cart is going up and down the steps, due to the weight of the vehicle body, the existing braking device can brake the wheels to prevent the shopping cart from slipping backwards, but it limits the rotation of the wheels, making it difficult for the shopping cart to go up and down the steps. Contents of the invention

[0003] The object of the present invention is to provide a shopping cart that can still go up and down steps while braking.

[0004] According to one aspect of the present invention, a shopping cart is provided, including a vehicle fra...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More