Bath Rack with Foldable Ladder for Independent Large Pet Access

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Solution Overview

Problem

Existing pet bathing solutions, such as foldable containers, struggle with supporting large pets at a height where they can enter and exit independently, especially when the pets are heavy, and require manual lifting, which is difficult for users.

Innovation Solution

A bath rack with a foldable ladder and a bathtub that allows pets to enter and exit at a high position independently, featuring a swinging end portion that lowers for easy access and a foldable ladder that can be hidden or detached to avoid interference during bathing, with a rack body that supports the bathtub and ladder components for stability and compact storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If the bathtub is supported at a high position to save space and facilitate user access, then space utilization is improved, but it becomes difficult for heavy pets to enter and exit independently

Engineering Contradiction:
Improvespace utilizationVSAvoidpet access difficulty
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The solution divides the access problem into two parts: the bathtub remains at high position for space saving, while a separate foldable ladder provides the access pathway. The ladder is segmented into multiple steps that bridge the height gap, allowing pets to climb independently without requiring the entire bathtub to be at ground level.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The foldable ladder acts as an intermediary element between the ground and the high-positioned bathtub. It mediates the access problem by providing a gradual climbing surface, eliminating the need for direct access to the elevated bathtub while maintaining the space-saving high position configuration.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If a foldable ladder is added to enable pet access, then pet independence is improved, but device complexity increases

Engineering Contradiction:
Improvepet independenceVSAvoidstructure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The ladder is designed with foldable joints that allow it to dynamically change between an extended configuration (when needed for pet access) and a folded configuration (when not in use). This dynamic capability enables the ladder to adapt to different usage scenarios without permanently increasing the device's footprint or complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The foldable ladder can be collapsed and stored within or alongside the bathtub structure when not in use. The nested design allows the ladder to tuck into a compact form that integrates with the existing bathtub framework, minimizing additional space requirements and visual clutter.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Stability of the object's composition

If the ladder is permanently attached to provide stable support, then stability is improved, but storage flexibility deteriorates

Engineering Contradiction:
Improveladder stabilityVSAvoidstorage flexibility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The ladder employs a foldable design with locking joints that provide stability when extended for use, yet allow easy folding for storage. The dynamic structure transitions from a stable, rigid configuration during pet access to a compact, flexible storage position, satisfying both stability and adaptability requirements.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The foldable ladder serves multiple functions: it provides stable support when extended for pet access, and it can be folded and stored in various positions (attached to the bathtub frame or placed nearby) when not in use. This multi-functionality resolves the contradiction between stability during use and flexibility during storage.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250248367A1Bath Rack
Publication Date: 2025.08.07 TAN GROW INC
  • US20250248367A1 patent drawing
  • US20250248367A1 patent drawing
  • US20250248367A1 patent drawing

AI summary

A bath rack includes a rack body, a bathtub disposed on the rack body which is capable of supporting the bathtub to a predetermined height; and a foldable ladder pivotally installed on the rack body, so that a pet is allowed to enter and exit the bathtub at a high position through the foldable ladder by itself, so as to facilitate the user to clean the pet with a relatively large size by the bath rack.