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Lock GmbH Lock GmbH

Lock has been developing and producing manual drives for all agricultural and industrial applications since 1844. With this long experience, the optimal interaction of materials and manufacturing processes results in unique gearboxes that are unrivaled in precision, power and reliability. With the HZW and HWA product series, Lock offers tailor-made solutions for demanding lifting, positioning and fixing applications in industry and ventilation systems. 

HZW Series - Manual rack and pinion winches

Our HZW product family is the ideal choice for applications where robust performance and precision are required. With three sizes, the series offers manual solutions for loads up to 1200 kg and fulfills a wide range of applications such as positioning, lowering, adjusting and fixing.

Precision meets versatility

The HZW series impresses with a specially developed rack geometry and outstanding materials designed for demanding applications. Whether you want to precisely control components, devices, machines or ventilation systems - our solutions adapt to your requirements.

Performance features:

  • Loadable in tension and compression.
  • Statically and dynamically self-locking worm gear.
  • Mechanical synchronization of several gearboxes possible.
  • Hardened gear parts for maximum loads.

Options:

  • Folding handle for ergonomic operation.
  • Rack run-out protection.
  • Galvanized or nickel-plated gear racks for long-lasting performance.

HWA series - Manual shaft drives

Our HWA product family is the ideal choice for applications in which the self-locking and manual adjustment options are transmitted to various remote locations via a shaft connection. Available in various configurations, it provides optimum protection for every application.

  • Torque range: 40-160 Nm.
  • Adaptable: Versions with hand crank, sprocket or extended shaft for specific requirements.
  • High-quality components: Cast housing, hardened gear parts, galvanized round steel chains, self-locking worm gear.
  • User-friendly: Crank handle with folding handle and versatile mounting options for individual operating heights.

Why Lock?

  • Experience and innovation: Know-how in the development of drive solutions since 1844.
  • Quality and durability: High-quality materials and precise manufacturing guarantee a long service life.
  • Flexibility: Customized products, perfectly tailored to your needs.
  • Customer-oriented: We are at your side with comprehensive service and advice.

Ready for the next level?

Let's solve your challenges together. Contact us today and find out how our HZW and HWA product family can meet your requirements.
Our experts will be happy to help you!

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