Sheet Dispensing Clamp With Single-Spring Mounting and Feed
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Solution Overview
Problem
Existing dispensing structures for notes or flags require two springs, one for mounting and another for dispensing, making them bulky, heavy, and costly.
Innovation Solution
A compact dispensing structure using a single biasing member that couples the dispenser to a support structure and allows single-sheet dispensing from a stack, utilizing a clamping mechanism with a pivotally coupled second clamping member and a plunger to manage the sheet stack.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two springs are used (one for mounting and one for dispensing), then the dispenser can perform both mounting and dispensing functions, but the device becomes bulky, heavy, and costly
Solution Approach 1:
The patent combines the mounting function and dispensing function into a single spring mechanism. The spring serves dual purposes: it provides the biasing force for mounting the dispenser to the support structure and simultaneously provides the biasing force for dispensing sheets one at a time. This merging of functions reduces the number of components from two springs to one spring, making the device more compact, lighter, and cost-effective.
Solution Approach 2:
The single spring is designed to perform multiple functions within the dispensing system. It acts as both a mounting mechanism (coupling the dispenser to the support structure) and a dispensing mechanism (providing the force to push sheets forward one at a time). This multi-functionality approach allows one component to replace what would traditionally require two separate components.
2Device complexity
If a single biasing member is used for both mounting and dispensing, then the device becomes compact and cost-effective, but the mechanical complexity of the clamping mechanism increases
Solution Approach 1:
The clamping mechanism employs a pivotally coupled second clamping member that can rotate or pivot relative to the first clamping member. This dynamic element allows the mechanism to adapt its configuration during operation, enabling the single spring to effectively transfer its biasing force to both mounting and dispensing functions while maintaining operational simplicity.
Solution Approach 2:
The pivotally coupled second clamping member acts as an intermediary between the single spring and the sheet stack. It mediates the force transmission from the spring, distributing the biasing force appropriately for both mounting the dispenser and advancing sheets during dispensing, thereby simplifying the overall mechanism despite the dual functions.
3Quantity of substance
If sheets are stored in a stack, then multiple sheets are available for dispensing, but there is a risk of double dispensing
Solution Approach 1:
The single spring applies a controlled biasing force that is sufficient to advance exactly one sheet at a time from the stack, but not excessive enough to cause multiple sheets to be dispensed simultaneously. The plunger mechanism, biased by the spring, pushes sheets forward in a controlled manner, ensuring that only one sheet is dispensed per actuation cycle, thereby maintaining reliability while preserving the stack configuration.
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 solution results in a lightweight, cost-effective dispensing assembly that is easy to use and prevents double dispensing, ensuring efficient sheet retrieval while being adaptable to various support surfaces.
Implementation Method 1
a single biasing member... A biasing force applied by the single biasing member may be used to couple the dispenser structure to a support structure as well as allow single dispensing
Data Source
AI summary
A dispensing structure (102) for dispensing sheets, such as notes (106) or flags, that is adapted to be removably coupled with a support structure. A dispensing assembly comprising a stack (104) of sheets, such as notes or flags, and the dispensing structure. The dispensing structure comprises: a first clamping member (118) defining a first end (120) and a second end (122); a second clamping member (146) pivotally coupled to the first clamping member, the second clamping member defining a third end (148) and a fourth end (150), the second clamping member comprising: abase plate (152) defining an aperture (154); a retention element (182) laterally spaced apart from the base plate to define a space (184) therebetween, wherein a stack of a plurality of sheets are disposed within the space; and a plunger (200) slidable within the aperture of the base plate; and a biasing member (218) connected to the first clamping member proximate the first end thereof and to the second clamping member proximate the third end thereof, wherein the biasing member is adapted to bias the second end and the fourth end of the first and second clamping members, respectively, towards the support structure for coupling the dispensing structure with the support structure. The retention element (182) includes a first plate (186) and a second plate (188) longitudinally spaced apart from the first plate such that a slot (190) is defined therebetween, and wherein at least one of the sheets of the stack is adapted to pass through the slot.