Clamping Device With Control Lever For Cable Closure
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Solution Overview
Problem
Conventional clamping devices for cable closure systems are difficult to activate when wearing protective gloves, lack controlled release functionality, have complex and bulky structures, and are costly to produce on an industrial scale.
Innovation Solution
A clamping device with a compact, sturdy structure featuring a pulley system, handle, retaining means, and control lever that allows for controlled and total release of the closure cable, enabling easy operation and adjustable clamping force, while being simple to produce and cost-effective.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If conventional clamping devices are used, then a relatively high clamping force can be exerted, but the device is difficult to activate when wearing protective gloves
Solution Approach 1:
The control lever is designed to rotate between a retaining position (where the tooth engages the toothed surface) and a release position (where the tooth disengages), providing dynamic control over the clamping force application and release, making operation intuitive even with protective gloves
Solution Approach 2:
The control lever acts as an intermediary between the user's manual input and the retaining means, translating simple rotational motion into the engagement or disengagement of the tooth with the toothed surface, thereby controlling the clamping force indirectly and easily
2Reliability
If conventional clamping devices are used, then a retaining action can be provided, but controlled release of the closure cable is not possible
Solution Approach 1:
The system transitions from a static retained state to a dynamically controllable release state through the rotation of the control lever, allowing the user to progress from full retention to controlled release by moving the lever to intermediate positions
Solution Approach 2:
The release function is segmented into distinct phases: full retention (lever in retaining position), controlled release (lever in intermediate position), and total release (lever in release position), allowing independent control over the degree of cable slackening
3Reliability
If conventional clamping devices are used, then the closure cable can be retained, but the structure becomes complex and bulky
Solution Approach 1:
Multiple functions are merged into a single control lever: it acts as both the actuating mechanism for the retaining means and the control element for both retention and release operations, eliminating the need for separate control mechanisms and reducing overall structural complexity
Solution Approach 2:
The control lever serves multiple purposes: it engages/disengages the retaining means, controls the degree of cable release, and provides a large operational surface for easy manipulation, consolidating what would traditionally require multiple separate components into a single universal element
4Reliability
If conventional clamping devices are used, then the closure cable can be retained, but production costs are high on an industrial scale
Solution Approach 1:
The device is segmented into simple, discrete components (pulley, control lever, retaining means with tooth and toothed surface) that can be manufactured independently using standard industrial processes and assembled efficiently, reducing overall production complexity and cost
Solution Approach 2:
The design employs simple geometric forms and common materials that can be produced cost-effectively through injection molding or stamping, avoiding the need for expensive specialized components or complex machining operations
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 device allows for intuitive operation, including use in adverse conditions, provides adjustable clamping tension, and is cost-effective to manufacture, offering a reliable and compact solution for cable closure systems.
Implementation Method 1
the clamping device (1) comprises elastic means (8), fixed to the base (2) and operatively associated with the retaining means (5-6) and with the control means (7)
Implementation Method 2
a pulley (3), operatively associated, in a rotatable manner, with the supporting base (2)... the pulley (3) can rotate with respect to the base (2) about a first rotation axis (A), perpendicular with respect to the aforesaid base
Data Source
AI summary
A clamping device for a cable closure system. The clamping device (1) includes a supporting base (2), a pulley (3), operatively associable with a closure cable, and a handle (4), connected integrally to the pulley (3) and manually activatable. The clamping device (1) includes first and second retaining means (5,6) operatively engageable with a toothed surface (331) of the pulley (3) and control means (7), separate from said handle (4). The retaining means (5,6) and the control means (7) are operatively associated with one another so as to be able to obtain a complete release or a controlled release of the clamping tension of the closure cable.