Reversible Pinion Driving System for Sliding Doors
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Solution Overview
Problem
Existing automatic sliding door driving systems are costly and time-consuming to repair due to overloading, and lack versatility in installation across different door styles and geometries.
Innovation Solution
A driving system featuring a pinion with a shaft secured in a hollow within a driver, allowing reversible operation and integration with a rack for sliding doors, along with a remotely controllable coding device for multiple operational modes, including automatic, lock, hold open, and pet modes, and the ability to synchronize with fly screens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a driving system is designed to be versatile for installation on various door styles and geometries, then adaptability is improved, but device complexity increases
Solution Approach 1:
The driver is designed with a universal mounting interface that can accommodate different door styles and geometries. The pinion shaft can be selectively positioned in two orientations (first and second positions) to adapt to different installation requirements, allowing the same driving system to be used across various door configurations without requiring multiple specialized components.
Solution Approach 2:
The pinion shaft is made selectively positionable within the driver hollow, allowing it to be inserted from either the first side or the second side. This dynamic configurability enables the system to adapt to different installation scenarios while maintaining a consistent basic structure, thereby improving versatility without proportionally increasing complexity.
2Reliability
If the pinion shaft is secured firmly in the driver hollow to prevent overloading, then reliability is improved, but ease of repair worsens
Solution Approach 1:
The connection between the pinion shaft and driver hollow is segmented into discrete, replaceable components. The pinion shaft can be independently removed and replaced without damaging the driver housing, allowing for easy repair and maintenance while maintaining secure operation during normal use. This segmentation enables firm securing during operation but easy separation during repair.
3Device complexity
If the driver includes integrated motor and gearbox to reduce component count, then device complexity is reduced, but ease of repair worsens
Solution Approach 1:
While the driver integrates the motor and gearbox into a single housing unit to reduce overall component count and simplify the external interface, the internal components remain modular and independently serviceable. The pinion shaft can be removed and replaced without disassembling the motor or gearbox, allowing for easy repair of wear-prone components while maintaining the benefits of integration.
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
Enables easy installation on various sliding doors, prevents overloading, and allows synchronized operation of patio doors and fly screens, enhancing operational flexibility and reducing maintenance costs.
Implementation Method 1
a pinion with a shaft, the pinion being adapted to cause sliding movement of the door panel in a first or second direction when operatively connected to a corresponding rack associated with the door panel
Data Source
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AI summary
The present invention relates to a driving system (10) for an automatic sliding door (12). The driving system (10) includes a driver (14) and a rack (18) and pinion (16) mechanism. The pinion (16) is adapted to cause sliding movement of the door (12) in a first or second direction when operatively connected to a corresponding rack (18) associated with the door ( 12). The pinion (16) is selectively attachable to the driver in two positions; (a) a first position in order to cause sliding movement of the door (12) in the first direction; and (b) a second position in order to cause sliding movement of the door (12) in the second direction. The present invention also relates to a device (92) for indicating whether a driving system is suitable for driving a sliding door (12). The device (92) includes a first end (128), a region (132) including one or more calibrations; and a second end (130). The first end (128) is adapted to be pulled by a user. The second end (130) is adapted to be selectively and detachably attached to one of the calibrations (136). The region (132) is located between the first end (128) and the second end (130).