Dumb-Bells TRIZ Cases
- Cam Weight-Adjustable Barbell for Low-Wear Plate Hitching
A cam hitching mechanism with wear-resistant layers enables safer barbell weight adjustment while reducing plate friction, wear, and storage bulk.
- Dual-Use Weight and Bar Retention Mechanism for Fast Weight Changes
Built-in bar teeth and a central handle enable fast, secure weight changes while supporting both dumbbell and bar exercises.
- Detachable Fitness Equipment Joint With Anti-Shaking Locking Structure
A rotating plug-in joint with an inclined anti-shaking interface enables fast reconfiguration of modular fitness equipment without loose connections.
- Multifunction Jump Rope Handle With Adjustable Weights and Ab Roller
Integrated handle structure secures interchangeable weights, adjusts rope length, and adds push-up and ab roller functions without separate locks.
- Segmented Exercise Bar With Knurled Grip for Landmine Use
Selective knurling on a segmented exercise bar improves grip and comfort during landmine exercises without roughening the full bar.
- Adjustable Kettlebell Tooth-Meshing Lock for Precise Weight Selection
A tooth-meshing rotating shaft lets an adjustable kettlebell switch weight blocks reliably while enabling precise selection and free rotation when unloaded.
- Overhead Barbell Spotting for Free-Motion Safe Racking
An overhead cable-and-pulley spotting layout keeps barbell motion free in two axes while enabling safer racking and reducing noise and space issues.
- Adjustable Kettlebell Locking Mechanism for Variable Weight Training
A driving shaft and locking system lets one kettlebell add or remove weight pieces, reducing extra purchases and storage space.
- Weighted Bag Shell and Handle Layout for Stable Load Control
Adjustable straps, a seamless shell, and a retractable handle stabilize weighted contents to reduce shifting, stress concentration, and bag wear.
- Adjustable Dumbbell Hitching Assembly for Rapid Plate Locking
A hitching assembly and locking piece enable fast dumbbell weight changes while preventing plate detachment and reducing handling risk.
- Vertical Plug-In Weight Plate Dual Locking for Fast Adjustment
A vertical plug-in channel and dual-locking snap-fit secure weight plates against detachment while enabling fast tool-free adjustment.
- Flexible Weightlifting Plate Structure for Quiet Floor-Safe Use
A polymer shell with segmented filler bags delivers barbell plate weight while reducing noise, rust, rolling, and floor damage.
- Offset-Weight Torque Trainer for Wrist Alignment and Muscle Memory
Offset weights create positive torque that guides wrist alignment, improves muscle memory, and better mimics sports movements.
- Pneumatic Exercise Staff With Adjustable Bidirectional Resistance
A pneumatic cylinder and resistance controller let one exercise staff vary extension and compression force while keeping length adjustable.
- Sliding Rotating Bar Handles for Shoulder-Friendly Lifts
Movable bar handles slide and rotate to match natural lifting motion, easing shoulder stress while improving hand-position flexibility.
- Ergonomic Palm-Centered Weight Unit for Secure Aerobic Grip
A rounded palm-centered weight with a protrusion, straps, and grips improves aerobic resistance without altering form or catching on equipment.
- Rotary Dumbbell Plate Locking Structure for Fast Weight Adjustment
A radial elastic sheet and positioning groove lock dumbbell plates by rotation, speeding weight changes while reducing loosening and shake.
- Pivoting Dumbbell Support for Ergonomic Vertical Storage
A pivoting platform and arm move vertically stored dumbbells into easy reach, reducing bending while preserving compact storage.
- Modular Barbell Assembly With Rotating Sleeves for Heavy Lifting
Tapered tubular joints and removable fasteners let this barbell ship compactly while keeping rotating sleeves and reliable heavy-use performance.
- Adjustable Barbell Weight Selector With Secure Over-Center Locking
A rotary selector knob and over-center mechanism speed barbell weight changes while securely retaining selected plates during use.
- Adjustable Dumbbell Sliding Block Mechanism for Fast Weight Changes
Sliding adjusting blocks engage dumbbell grooves to change weight quickly without removing the grip rod, improving workout efficiency.