Clincher Plate Fastening for Saddle Stitcher Repositioning
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Solution Overview
Problem
Saddle stitchers face challenges in efficiently reconfiguring clincher boxes and guide pieces due to limited space, as existing T-slot systems require complete loosening and repositioning, leading to increased conversion time and complexity.
Innovation Solution
A clincher plate without T-grooves, designed as a rail or plate, allows clincher boxes and guide pieces to be attached at any position using screws and clamping claws, enabling flexible positioning without the need for additional elements or deep machine interventions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If T-grooves with T-nuts or collar bushings are used to attach clincher boxes and guide pieces, then the components can be easily moved and repositioned, but the clincher plate requires more installation space and becomes thicker
Solution Approach 1:
The patent removes the T-groove structure from the clincher plate, extracting the space-consuming feature while retaining the essential function of attaching clincher boxes and guide pieces through alternative means (screws and clamping claws that engage with beveled surfaces or grooves without requiring T-slot infrastructure)
Solution Approach 2:
The patent transitions from a two-dimensional T-slot groove system to a three-dimensional clamping system using beveled surfaces and vertical clamping claws, allowing attachment without requiring lateral space for T-grooves while maintaining repositioning capability
2Adaptability or versatility
If T-slots are used for attaching clincher boxes and guide pieces, then components can be freely positioned, but complete loosening and repositioning is required when reconfiguring, increasing conversion time
Solution Approach 1:
The patent incorporates pre-configured attachment points and beveled surfaces on the clincher plate that allow rapid repositioning without requiring complete loosening of all components, enabling faster reconfiguration by maintaining partial securement while allowing selective adjustment
3Area of stationary object
If a slim clincher plate without T-grooves is used, then installation space is reduced, but attachment stability may be compromised
Solution Approach 1:
The patent employs asymmetric beveled surfaces and angled clamping claws that create stable attachment through geometric interlocking, where the asymmetric geometry provides inherent positioning and securing without requiring symmetric T-groove structures, maintaining stability while reducing overall plate thickness
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3a~3b
AI summary
The saddle stitcher has clincher box (1) attached with guide element. The clincher box and guide element are attached to a clincher plate by using a clamping element (6). The chamfer (19) of the clamping element is latched with the groove on the surface at the rear side of the clincher plate. The protruding bar of the clamping element is matched with groove of the clincher plate. The clamping element tightly connected to clincher box or guide element, is detachably attached to clincher plate.