Rotatable Bar Clamp Actuator for Flexible Jaw Positioning
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Solution Overview
Problem
Conventional bar clamps with trigger actuators can be cumbersome due to the orientation of the actuator relative to the jaw, which may not align well with the user's handedness or workpiece configuration.
Innovation Solution
The bar clamp features a rotatable actuator mechanism that allows the movable jaw assembly to rotate around the bar, enabling actuation from various angles and orientations, including from underneath a workpiece, and can be configured as a spreader or clamp without interference from the handle and trigger.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the actuator is positioned in a fixed orientation relative to the jaw, then the structure is simple, but the ease of operation is reduced due to misalignment with user handedness or workpiece configuration
Solution Approach 1:
The actuator mechanism is made rotatable about the bar, transforming a static configuration into a dynamic one. The actuator can rotate to different angular positions around the bar, allowing the user to operate the clamp from various angles and orientations, thereby improving ease of operation without significantly increasing overall device complexity
Solution Approach 2:
The actuator is given rotational freedom around the bar, adding a rotational dimension to its positioning capability. This allows the actuator to access different spatial orientations around the bar, enabling operation from underneath workpieces or at various angles, thus resolving the contradiction between operational ease and structural simplicity
2Adaptability or versatility
If the actuator mechanism is made rotatable around the bar, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The actuator assembly is designed with rotational capability around the bar, allowing it to adapt to different workpiece configurations and user positions. This dynamic positioning capability enhances versatility while maintaining relatively simple mechanical implementation through rotational joints and flexible cable routing
Solution Approach 2:
The rotatable actuator mechanism provides multi-functional capability by enabling operation from multiple angles and orientations. The same actuator assembly can serve different clamping configurations and accommodate various user handedness preferences, thereby improving adaptability without requiring multiple separate mechanisms
Data Source
AI summary
According to an embodiment, a bar clamp includes a bar, a fixed jaw, and a movable jaw assembly having an actuator portion and a jaw portion. The movable jaw assembly is configured to move along the bar towards or away from the fixed jaw. At least one of the actuator portion and the jaw portion is configured to rotate around the bar. According to another embodiment, where a bar clamp comprises a bar, a fixed jaw, a movable jaw, and a movable jaw actuator, a method of operating the bar clamp includes rotating one of the movable jaw actuator and the movable jaw about the bar while the fixed jaw and the bar remain stationary, and using the movable jaw actuator to move the movable jaw along the bar towards or away from the fixed jaw.