Spring-driven extendable rolling frame system for chimney sweeps with combined safety and stacking device

Abstract

A rolling frame for the chimney sweep trade with a modular design, characterized in that it comprises at least two extendable safety hook arms which can be automatically extended and retracted by a spring-based mechanism (“spring-loaded mechanism”).

Description

[0001] The present invention relates to an innovative technical aid for the chimney sweep trade – an improved, modular rolling stand with an extendable spring mechanism, Click&Safe system, and stackable extension components. The title of the invention is: “Modular rolling frame for chimney sweeps with extendable safety hooks, Click&Safe system and stackable expandability.” 1. Technical problem:

[0002] Previously used rolling blocks offer insufficient support in modern chimney systems, are heavy, difficult to install and, due to their design, often cause material wear on hemp ropes or jamming in chimney walls. 2. Solution through the invention:

[0003] The "Rollo" is a modular roller stand with an integrated, spring-loaded extension mechanism (spring-loaded mechanism) for four safety arms. At the push of a button, these hook arms extend evenly outward and anchor into the chimney walls. When the button is pressed again, the mechanism automatically retracts thanks to a return spring. 3. Variants and adaptability:

[0004] The roller blind is available in two basic shapes: a square-framed version for square / square chimneys and a round-framed version for round chimneys. Both versions feature interchangeable arm and roller systems to adapt to different sizes and shapes. 4. Click&Safe system:

[0005] An integrated, tool-free connection system ("Click&Safe") allows modules and extensions to be quickly connected and stacked. This increases the installation height and flexibility – especially in challenging roof conditions. 5. Compactness:

[0006] The transport height in compact form is approximately 5-12 cm, depending on the model and additional modules. The device is foldable, lightweight, and easy to store. 6. Material selection:

[0007] Frame components are made of stainless steel or aluminum, while the guide rollers are made of thermoplastic rubber and are suitable for high temperatures. The V-groove roller in the central axis protects hemp ropes with low-friction sliding. 7. Application:

[0008] The device offers secure support in almost all common chimney shapes, reduces installation effort, prevents tilting, and increases work safety - especially for trainees or in difficult deployment scenarios on roofs.

[0009] The drawings and claims describe the mechanical structure and usage scenarios in detail. 1 main frame 2 chimney support arms 3 locking unit 4 roll 5 roller holder 6 extension arm 7 Shutter button 8 Trigger mechanism 9 Return spring 10 Guide element 11 Safety clip

Claims

[1] Rolling frame for the chimney sweep trade with a modular structure, characterized by that it comprises at least two extendable safety hook arms which can be extended and retracted automatically by a spring-based mechanism (“spring-loaded mechanism”). [2] Rolling block according to claim 1, characterized by that the extension mechanism is triggered by a manual push button. [3] Rolling block according to one of the preceding claims, characterized by that the hook arms are returned by an integrated return spring. [4] Rolling block according to one of the preceding claims, characterized by that it is designed in different geometric variants (round or square frame structure) to adapt to different chimney cross-sections. [5] Rolling block according to one of the preceding claims, characterized by that it has a tool-free Click&Safe system for connecting and stacking multiple modules. [6] Rolling block according to one of the preceding claims, characterized by that the modules are vertically stackable and mechanically lockable to increase the height or stability. [7] Rolling block according to one of the preceding claims, characterized by that the transport height when folded is between 5 cm and 12 cm. [8] Rolling block according to one of the preceding claims, characterized by that it has an integrated V-groove roller for safe and low-friction guidance of hemp ropes. [9] Rolling block according to one of the preceding claims, characterized by that the V-groove roller is easily replaceable using a lever mechanism. [10] Rolling block according to one of the preceding claims, characterized by that it is made of heat-resistant and durable materials such as stainless steel, aluminum or thermoplastic rubber.

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