Hydraulic Jack with U-Shaped Base for Stand Nesting

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Solution Overview

Problem

Conventional hydraulic jacks often raise vehicles at locations not near the designated lifting area for jack stands, posing safety risks and maneuverability difficulties during maintenance.

Innovation Solution

A vehicle lift mechanism featuring a U-shaped base and U-shaped lift platform with a Y-shaped jack chassis, allowing a conventional jack stand to be positioned within the same space, providing stability and enabling safe and efficient lifting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a conventional hydraulic jack raises a vehicle at a location not within the vicinity of the designated lifting area, then the lifting operation can be performed, but safety risks and maneuverability difficulties increase

Engineering Contradiction:
Improvelifting operationVSAvoidsafety
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The hydraulic jack is designed with a base that serves dual functions: it provides the lifting mechanism functionality while simultaneously serving as a support structure for jack stands. The base includes a recessed portion that can receive and secure a jack stand, allowing the same device to both lift the vehicle and accommodate safety support equipment, thereby enabling safe operation regardless of the lifting location.

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

2Reliability

If a jack stand is positioned within the same space as the hydraulic jack, then safety is improved, but the device complexity increases

Engineering Contradiction:
ImprovesafetyVSAvoidstructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The jack stand is nested within the base structure of the hydraulic jack. The base includes a specifically designed recessed portion that receives the jack stand, allowing the stand to be positioned within the same footprint as the jack itself. This nesting arrangement enables the jack stand to be securely accommodated without requiring additional external space or significantly increasing overall structural complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUSRE47617E1Lifting mechanism with lift stand accommodation
Publication Date: 2019.09.24 GALLA THOMAS J
  • USRE47617E1 patent drawing
  • USRE47617E1 patent drawing
  • USRE47617E1 patent drawing

AI summary

The present invention is a lifting mechanism with lift stand accommodation, which is used to allow a lift stand to reside within its bounding space. The present invention comprises a lifting mechanism and a Y-shaped chassis. The Y-shaped chassis comprises a lift mechanism housing and a U-shaped base. The U-shaped base comprises a base slot that allows a jack stand frame to be inserted between its left and right end. The lifting mechanism is used to raise and lower an object from its initial position. The lifting mechanism comprises a left support arm, a right support arm, a lift arm and a U-shaped lift platform. The U-shaped platform comprises a platform slot that can allow a jack stand saddle to be inserted between its left platform end and right platform end. A brace maintains the rigidity of the lift arm, the left support arm, and the right support arm.