Types Of Bed Lift Mechanisms, Design Features, And Functions
Jun 16, 2023
Manual Mechanisms:
Manual mechanisms are the simplest and rely on physical strength for operation. They lack power components to counterbalance the weight of the lifted bed. Manual mechanisms are cost-effective, durable, and reliable. However, they are not recommended for children's beds due to the risk of injury during bed assembly.
Spring-Loaded Mechanisms:
Spring-loaded mechanisms employ coil springs to support a portion of the bed's weight, facilitating easier transformation. It is possible to adjust the mechanism's strength by removing or adding springs. Over time, however, the springs may stretch, joints may wear out, and the mechanism may require replacement.
Gas shock absorber mechanisms are the most comfortable option, as they bear the entire weight during bed elevation. These mechanisms utilize gas shock absorbers, consisting of a cylinder filled with high-pressure nitrogen, an oil damper, and a piston with a rod. Gas lifts are suitable for women, adolescents, and individuals with disabilities due to their user-friendly nature. Although they offer enhanced convenience and durability, they tend to be more expensive.
Dimensions and Specifications:
Several factors should be considered when selecting a bed lift mechanism, including:
a. Length and Width:
The standard length for adult beds ranges from 200 to 220 cm, while children's beds typically span from 120 to 190 cm. The width depends on the bed size, with children's beds measuring 60-70 cm, single beds 90-100 cm, and double beds ranging from 120 to 160 cm. Height should be chosen based on the ease of getting in and out of bed, with lower heights suitable for children and higher heights for older individuals. Various combinations of length and width can be selected based on personal preferences.
b. Weight Considerations:
The weight of the bed is primarily influenced by the mattress, as different fillers can significantly vary in weight. The weight of the lifting component determines the necessary type and power of the bed lift mechanism. For instance, a double bed with an orthopedic mattress requires a mechanism with more power, making a spring-loaded mechanism or manual option unsuitable. On the other hand, a single bed with a foam mattress may not justify the use of an expensive gas lift mechanism.
Design Features:
Beds with lifting mechanisms come in two main designs: horizontal lifting of the bed and vertical lifting of the entire bed (wardrobe-bed). The bed can be raised parallel to the horizontal level of the storage box or opened in a book-like manner from the foot of the bed. In some cases, it is possible to lift the bed from any side by using a slightly different lifting mechanism. Lateral lifting is useful when the bed needs to be placed close to a wall. Symmetrical installation of two similar lifting devices is required for all options. Gas lifts are commonly used in double beds, regardless of their weight. Wardrobe-beds can be raised either from the foot or from the side, with gas lift mechanisms providing effortless transformation. Spring-loaded mechanisms may be suitable for side lifting. Manual mechanisms are usually not used for this design.
Safety Guidelines:
When using lifting beds, it is important to follow these safety rules:
Ensure that a wardrobe bed in a vertical position is securely attached to the wall.
Stand on the side of the structure when raising or lowering the bed.
If using a spring-loaded or manual mechanism, securely fix the bed in the raised position with a support.
Gas lift mechanisms are the safest as they hold the bed securely in the raised position. The extended piston of the gas lift prevents spontaneous compression. Some manufacturers offer additional gas lift locks on the stem, although these are not necessary since the bed cannot abruptly fall. Even if one gas lift fails, the bed will lower slowly due to the remaining lift.
Reliability:
Bed lift mechanisms are generally reliable, especially when manufactured by leading companies that have earned customer trust. German gas lifts are considered the best, while Italian products are renowned for their spring mechanisms. Spring-loaded mechanisms experience wear and tear over time, particularly on the springs, and may not withstand heavier bed loads. The warranty for spring-loaded mechanisms typically does not exceed 5 years. Gas lifts, on the other hand, come with a 10-year warranty and are designed for 20,000 bed raises and lowers, highlighting their reliability. Manual mechanisms are the most reliable and durable since they have fewer components that can break.
Choosing the Right Bed Lift Mechanism:
For lightweight single beds, spring-loaded mechanisms are suitable, although gas lifts are a better long-term investment if budget allows. Gas lift mechanisms offer longevity and require minimal maintenance or replacement. Manual mechanisms are ideal for small beds that do not require frequent opening
