Swivel Device Detachable Stop Adjustability

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Solution Overview

Problem

Existing swivel devices lack flexibility and adjustability in their rotational movement stops, requiring multiple swivel levers for different stop scenarios and limiting their versatility.

Innovation Solution

A swivel device design where the second part of the stop is detachable and reattachable in various positions on the swivel lever, allowing for additional adjustability through the movement of both the first and second stop parts, and featuring a flat plate or circular disk with a nose-shaped projection that interacts with the first stop part, connected via screws, to enhance flexibility and adjustability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the stop is fixed on the swivel lever, then the structure is simple and stable, but the adjustability and flexibility are poor

Engineering Contradiction:
Improveadjustability of rotational movement stopVSAvoidstructure of stop connection
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The stop is divided into two separate parts: a first part fixed on the housing and a second part detachably connected to the swivel lever. This segmentation allows the second part to be repositioned at different locations on the swivel lever, providing adjustability while keeping the first part stationary and simple.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection between the second part of the stop and the swivel lever is made detachable rather than fixed. This dynamic connection allows the stop configuration to be changed as needed, enabling adjustment of the rotational movement stop position while maintaining structural simplicity when not in use.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If multiple swivel levers are used for different stop scenarios, then the versatility is improved, but the device complexity and quantity of parts increase

Engineering Contradiction:
Improveversatility for different stop scenariosVSAvoidnumber of swivel levers
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

A single swivel lever is designed to accommodate multiple stop scenarios through the detachable second part of the stop that can be positioned at various locations on the lever. This multi-functional design eliminates the need for multiple specialized swivel levers, reducing part quantity while maintaining versatility.

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

3Adaptability or versatility

If the second part of the stop is detachable and reattachable in various positions, then the flexibility is increased, but the ease of operation decreases

Engineering Contradiction:
Improveflexibility of swivel deviceVSAvoidoperation of detachable stop
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The stop is segmented into two parts with standardized connection interfaces. The second part can be detached and reattached at different positions using simple fastening mechanisms, providing flexibility while maintaining ease of operation through straightforward attachment and detachment procedures.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9422971B2Swivel device
Publication Date: 2016.08.23 DE STA CO METALLERZEUGNISSE GMBH
  • US9422971B2 patent drawing
  • US9422971B2 patent drawing
  • US9422971B2 patent drawing

AI summary

A swivel device has a swivel shaft (2) rotatably mounted in a housing. A portion of the swivel shaft (2) projects from the housing (1). A swivel lever (3) is fixably mounted on the shaft (2) and is swivelable relative to the housing (1). The swivel lever (3) is arranged outside the housing (1). A first part (4) of a stop is arranged externally on the housing (1). A second part (5) of the stop is connected with the swivel lever (3). The first (4) and second (5) parts of the stop form a rotational movement stop for the swivel lever (3). The second part (5) of the stop is detachable from the swivel lever (3) and is reattachable to the swivel lever (3) in various positions on the swivel lever (3).