Elongate Fastening System for Sweeping Elements
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Solution Overview
Problem
Existing sweeping devices with mechanically driven circular brooms require complex and costly separate fastening and locking mechanisms for each socket, which are prone to failure and require extensive maintenance, making the replacement of sweeping elements labor-intensive and tedious.
Innovation Solution
A fastening system with an elongate geometry featuring a detachable sweeping element and a securing element that allows tool-free attachment and detachment, utilizing a form-fitting counter-fastening structure and a spring-loaded securing sleeve to prevent unintentional detachment, enabling easy replacement and reducing maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate fastening and locking mechanisms are provided on each bushing of the carrier disc, then secure attachment of sweeping elements is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines multiple separate fastening and locking mechanisms into a single integrated fastening device with a common body that houses all locking elements. This merging reduces the overall number of components while maintaining secure attachment functionality across multiple sweeping element positions.
Solution Approach 2:
The common body of the fastening device serves multiple functions: it houses locking elements, provides mounting positions for sweeping elements, and enables both fastening and locking operations through a unified structure. This multi-functionality reduces device complexity while maintaining reliability.
2Reliability
If each bushing is equipped with a separate manually operated locking element, then individual securement is achieved, but maintenance requirements and susceptibility to malfunction increase
Solution Approach 1:
Multiple locking elements are integrated into a single common body structure, reducing the number of separate components that require maintenance. This consolidation decreases susceptibility to malfunction while maintaining individual securement capability for each sweeping element position.
Solution Approach 2:
The spring-loaded stop elements automatically engage and disengage without requiring complex manual operation or specialized tools. The self-actuating mechanism reduces maintenance requirements by eliminating the need for intensive manual intervention and specialized repair procedures.
3Reliability
If a large number of locking elements are handled separately with a dedicated tool, then secure attachment is maintained, but replacement time and labor intensity increase
Solution Approach 1:
Multiple locking elements are combined into a single integrated fastening device, allowing all locking elements to be operated simultaneously or in sequence without requiring separate tool operations for each element. This dramatically reduces replacement time and labor intensity while maintaining secure attachment.
Solution Approach 2:
The stop elements are pre-positioned within the common body and spring-loaded for automatic engagement. This preliminary positioning allows rapid operation during sweeping element replacement without requiring time-consuming manual adjustment or tool manipulation for each individual locking element.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system allows for quick, tool-free replacement of sweeping elements, reduces maintenance requirements, and minimizes susceptibility to interference, while maintaining secure attachment during operation.
Implementation Method 1
The locking element can be designed as a spring-loaded mechanism, in which the spring force automatically pushes the locking element into a locking position
Implementation Method 2
The locking element can be designed as a spring-loaded mechanism, in which the spring force automatically pushes the locking element into a locking position
Data Source
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AI summary
The present invention relates to a fastening system for sweeping elements on a mechanically driven sweeper, comprising: - at least one longitudinally extended fastening device (14) that can be arranged on a rotatable support (12) of the sweeper, - at least one longitudinally extended sweeping element (20) that can be detachably fastened to the fastening device (14) and which has a fastening structure (23) at a proximal end section (2), - wherein the fastening device (14) has a counter-fastening structure (33) at a distal end section (3) that corresponds to the fastening structure (23), and - a locking element (40) that is longitudinally displaceable on the fastening device (14) between a distal locking position (S) and a proximal release position (L).- wherein the locking element (40) in the locked position (S) at least partially encloses the counter-fastening structure (33) and wherein the counter-fastening structure (33) is accessible from the outside when the locking element (40) is in the released position.