RU205339U1 - Device for putting on disposable shoe covers - Google Patents

Abstract

The claimed technical solution relates to means for satisfying vital needs, in particular to devices that increase the convenience of using shoes while ensuring hygiene. The basis of the useful model is the task of expanding the functionality of the device in relation to the conditions of service for elderly users and disabled people with disabilities in terms of the coordination of their movements, as well as users in a state of violations of their physical condition. The technical result from the use of the proposed device consists in expanding the functionality of the device for putting on protective shoe covers while simultaneously simplifying it structurally and, accordingly, reducing the cost. The specified technical result is achieved in that the device for putting on disposable shoe covers with a cover made of polymer film and an elastic band placed in the flap of the edge of this cover contains a holder with grips for pulling the shoe cover. The holder is installed in a vertical linear guide on a carriage with a hand drive rod. The device also contains a cable connected to the carriage passing through a block installed at the upper end of the guide, the guide is made in the form of a hollow pipe. In the pipe cavity, a load is movable in the vertical direction, the weight of which corresponds to the weight of the holder with the carriage. The end of the cable opposite to the one attached to the carriage is attached to this weight. The guide is made of a square tube, and the carriage is in the form of a branch pipe covering it. The device allows users with disabilities, as well as healthy people, to put shoe covers on the shoes they are wearing, without bending over, with a fairly simple independent maintenance, which excludes the possibility of injury. Since there is no need to regularly refuel the device with shoe covers, there is also no need to prevent unauthorized removal of shoe covers for personal use or on the basis of vandal motives. As a result, the proposed technical solution for institutions with increased requirements for hygiene of premises provides a relatively inexpensive, reliable and anti-vandal device for putting on shoe covers. The operation of this device does not require the involvement of either service repair services or maintenance personnel of the institution, and also allows its placement in premises that are not continuously monitored by the staff of the institution. 2 c.p. f-ly, 5 dwg

Description

The claimed technical solution relates to means for satisfying vital needs, in particular to devices that increase the convenience of using shoes while ensuring the hygiene of the premises of domestic and medical services for the population.

In medical institutions, museums and other institutions, disposable shoe covers with a plastic film cover and an elastic band placed in the lapel of the edge of this cover are widely used. Their use reduces the cost of cleaning the premises, which is especially important in institutions where a large number of patients pass every day, and at the same time there are increased requirements for the hygiene of the premises. Various devices are used to facilitate the process of putting on disposable shoe covers on permanently worn shoes.

Known devices for putting on disposable shoe covers with a cover made of polymer film and an elastic band placed in the flap of the edge of this cover on permanently worn shoes, for example, the device according to patent publication CN 109303461.

Such devices are structurally rather complex, have a rather complex kinematics and, accordingly, a rather high cost, and, due to the presence of many components, also a relatively low reliability, which requires the organization of service services to ensure routine maintenance and repair. From the institutions using them, they require the involvement of service personnel both to control the use of shoe covers and regular refueling of cassettes with shoe covers as they are used up, and to protect against vandalism. This, along with economic factors, limits the possibilities of their application in medical institutions with a massive flow of users and a limited number of attendants, for example, in public clinics.

There are also known devices for putting on disposable shoe covers with a cover made of polymer film and an elastic band placed in the lapel of the edge of this cover on constantly worn shoes, containing a holder with grips for pulling the shoe cover, installed in vertical guides on a carriage with an electric drive through a cable. The cable is attached at one end to a fixed plate fixed on the guides and passes through a block installed at the top of the guides (patent CN2719154).

The presence of an electric drive, in addition to increasing the cost and reducing the reliability of the device, limits the possibility of installing devices of this type in rooms that are not continuously monitored by the staff of the institution due to the requirements of electrical safety, which is especially important given the mental and physical condition of certain groups of users of the device in medical institutions.

Also known are mechanical (not requiring connection to the mains) devices for putting on disposable shoe covers with a cover made of polymer film and with an elastic band placed in the lapel of the edge of this cover, on permanently worn shoes, containing a rack with a container for refueling cassettes with shoe covers and a mechanism for pulling shoe covers from the cassette filled with them, for example, the wearer of the shoe covers KS-901 from BOOT-PACK MECHANIC [electronic resource]. - URL: https: //xn---8sbc0adhm0a9aza2e.xn--plai/avto-mat-dlya-nadevaniya-bahil-boot-pack-mechanic-ks-901 (date of access 03/20/2021).

However, these devices, as well as the above, have the disadvantages of having a relatively complex mechanism for stretching the shoe covers in the grippers, which reduces the reliability of the device and, accordingly, requires the organization of services for its operation. Stretching the shoe cover with the user's foot imposes certain requirements on the coordination of its movement, which cannot always be provided by users with disabilities. Inaccurate engagement and stretching of the shoe cover with worn shoes can lead to tearing of the tape with the shoe cover covers as a whole and, accordingly, to a malfunction of the device, which must be eliminated by operational intervention of personnel in the operation of the mechanism. In addition, this device has drawbacks in that it is necessary to install an institution in a controlled area both to prevent theft of shoe covers and to involve service personnel to regularly monitor the presence of shoe covers and refuel them in time as they are expended. Such devices are also susceptible to vandalism, which breaks and pulls out the shoe tape and clogs up the shoe insertion cavity. These reasons impede the installation of these devices in premises, continuously with a massive flow of customers and not constantly monitored by the staff of institutions (for example, in lobbies, corridors, etc. places).

The closest in technical essence is a device for putting on disposable shoe covers with a cover made of polymer film and an elastic band, placed in the flap of the edge of this cover on permanently worn shoes, containing a holder with grips for pulling the shoe cover, installed in a vertical linear guide on a carriage with a manual drive rod and a lock of the upper position, as well as a cable connected to the carriage passing through a block installed at the upper end of the guide (patent RU 182952).

Devices of this type, due to the simplicity of their design, have high reliability, and due to the absence of the need to stack cassettes with shoe covers, they do not require the organization of service services for their operation. They are resistant to vandalism and do not require the involvement of service personnel using their institution to control the use of shoe covers and regular refueling of these cassettes. Inaccurate use of the device does not lead to malfunctions in its functioning due to the rupture of the shoe cover, which the user himself can replace with another. This allows them to be used in institutions with a limited number of service personnel and a massive flow of users, including installing it in uncontrolled rooms, where the staff of the institution is not located in normal situations. Users can use either their own shoe covers or those obtained from a vending machine, or obtained from the office's reception or cloakroom, so theft, damage to stocked shoe covers and the associated costs of the institution for servicing the device are eliminated.

However, this device is also characterized by insufficient functionality in relation to the conditions of service for elderly users and disabled people with disabilities in terms of the coordination of their movements and users in a state of mental and physical disorders.

Insufficient functionality of the known device is due to the following circumstances.

Ensuring safety when servicing the device for users with disabilities in terms of violation of the statodynamic functions of the limbs, as well as users in a state of physical disorders, makes increased demands on limiting the mass of the carriage and the holder with grips. At the same time, in addition to limiting the weight lifted by the user, which is important for older users, the disadvantages of the device are also due to the need to protect the user from potential injuries if this release of the rod unexpectedly occurs in its upper position, and the leg (foot) is supported by the holder with grips. The involuntary release of the rod from the hold by the hook or its slipping out of the user's hands can occur both due to poor coordination of the user's movements, for example, a violation of the statodynamic functions of the hands, and due to its absent-mindedness inherent in age or condition.

The reduction of the lifting forces of the movable part of the device and the potential risk of injury to the user can to some extent be ensured by reducing the mass of the carriage with the rod and the holder with grips. However, the possibilities of such a decrease are limited by the conditions for ensuring the necessary rigidity, which prevents its destruction both during vandalism and to prevent their destruction during careless use. In addition, the lightening of the moving part, for example, due to the manufacture of lightweight and durable construction materials, increases the cost of the device. In addition, the fall of the carriage with the rod and the holder with grips from the hands or their inadvertent release from engagement in the latch leads to the need for their repeated lifting, which reduces the ease of use of the device, especially for elderly users with their unstable psyche, and can lead to stressful condition.

The technical solution of the utility model is based on the task of expanding the functionality of the device in relation to the conditions of service for elderly users and users with disabilities in terms of coordinating their movements, as well as users with deviations in the mental and physical state, while ensuring increased durability of the device as in vandalism, and to exclude its damage due to careless use.

The technical result from the use of the proposed device consists in expanding the functionality of the device for putting on protective shoe covers while simultaneously simplifying the design and, accordingly, reducing the cost.

The specified technical result is achieved by the fact that in the device for putting on disposable shoe covers with a cover made of polymer film and an elastic band, placed in the flap of the edge of this cover, containing a holder with grips for pulling the shoe cover, installed in a vertical linear guide on a carriage with a manual drive rod, and Also connected to the carriage is a cable passing through a block installed at the top of the guide, the guide is made in the form of a hollow pipe, in the cavity of which the load is movable in the vertical direction. The weight of the load corresponds to the weight of the carrier with the carriage. The end of the cable, opposite to the one fastened to the carriage, is fastened to this weight. The guide can be made in the form of a square tube, and the carriage - in the form of a branch pipe enclosing it, also with a square cross section. The device is equipped with a vertical cover in the form of a groove fixed at the top and bottom, covering the outer part of the cable from the side of the guide opposite to the holder.

The specified expansion of the functionality of the device while reducing the cost is ensured by fully or partially balancing the weight of the carriage with the holder and grippers with a load placed in the cavity of the guide, where it is inaccessible for unauthorized influence by users, including protected from vandalism. This also facilitates the use of the device, since there is no need to apply significant efforts to raise and lower the carriage, even if the structure of the holder with grips is reinforced to prevent them from being damaged both during vandalism and to prevent their destruction during careless use. In this case, the accidental fall of the rod from the user's hands is not dangerous for the user, since even if it is not held by the hand, depending on the mutual correspondence of the masses of its moving part and the load adopted in the design of the device, as well as taking into account the influence of friction forces in the mechanism, or will lower slowly (with a relatively light load), or remain in place (when the weight deviates from the weight of the moving part of the device within the friction forces in the mechanism) of the load, or slowly rise (with a heavier load). In the latter version, the device itself prepares itself for the next pulling of the shoe cover onto the grippers after it was used by the previous user. Due to little or no force applied to raise and lower the holder with jaws, there is no need to use an electric drive.

By eliminating the possibility of injury to the user due to the fall of the holder with grips on his legs, there is no need to use expensive lightweight and durable materials that reduce the weight of the carriage with the rod and the holder with grips while ensuring the rigidity of the structure, which excludes its breakage due to inaccurate use or violation of statodynamic functions legs. This makes it possible to manufacture the movable part of the device from durable inexpensive materials without significant restrictions on their weight.

Placing the load inside the guide, with a relatively small cross-section of the cover that protects the open part of the cable, reduces the transverse dimensions of the vertical rack formed by them, which causes both a decrease in the material consumption of the device as a whole and its cost. The presence of a cover that hides a part of the cable outside the guide cavity also improves the parameters of the technical aesthetics of the device in relation to the specifics of the premises of medical institutions and simplifies the cleaning of the room.

The proposed design of the device determines its simplicity, and, therefore, the lowest possible cost while expanding the functionality in terms of ensuring the convenience and safety of use, and also provides increased resistance both to vandalism and to prevent destruction during careless use.

The utility model is described in detail below with reference to the corresponding drawings, which show:

fig. 1 - floor-mounted device in the process of pulling the shoe cover onto the holder with grips, side view;

fig. 2 - floor-mounted device at the beginning of lowering the holder with grippers, side view;

fig. 3 - a device in a floor version in the process of pulling a shoe cover onto a wearable shoe, side view;

fig. 4 - a wall-mounted device in the process of pulling a shoe cover onto a wearable shoe, side view;

fig. 5 - a wall-mounted device in the process of pulling a shoe cover onto a wearable shoe, front view.

The device contains a holder 1 with grips 2 and a hand drive rod 3 mounted in a vertical linear guide 4 on a carriage 5. The guide 4 is preferably made as a single rectangular tube. In this case, the carriage 5 can be made as a branch pipe, also of rectangular cross-section, enclosing the guide 4 with a gap allowing an angular deviation from the vertical within the range of up to several angular degrees.

In the upper part of the guide 4 there is a latch 6 of the carriage 5. The latch 6 can be realized with a hole at the upper end of the guide 4 (or its extension upward beyond the travel of the carriage 5), interacting with the hook 7 on the rod 3 (Fig. 1). Other options for fixing the carriage 4 at the top of the guide are also possible. For example, in less preferred (more expensive) versions, when the carriage 4 interacts with the guide 3 through the rollers and without permissible deviation from the vertical, the latch 6 can be made in the form of a furniture spring latch (not shown in the drawing). For a resiliently deflected rod 3 made of ferromagnetic material (steel), the need for hooks 7 disappears if a furniture magnetic latch is used as a retainer 6 (also not shown in the drawing).

The grippers 2 are made with the possibility of stretching on them along the perimeter of the shoe cover 8 and pulling these shoe covers 8 off them when inserting the wearable shoe 9 into this shoe cover 8. Preferably, the holder 1 has grips 2 for a pair of shoe covers 8.

The device is equipped with stops 10 and / or 11 for installing the holder 1 with grips 2 at a height corresponding to the depth of the shoe cover 8.

The stopper 11 is mounted directly on the guide 3, the stopper 10 is located at the end of the holder 1 distant from the guide 3. It is preferable to use both stoppers 10 and 11 together, as this will reduce the requirements for the mechanical strength of the holder.

Above the guide 3 there is a block 12 through which the cable 13 passes, connected at one end to the carriage 4. The opposite end of the cable 12 is connected to the weight 14. The weight 14, the weight of which corresponds to the weight of the carriage 5 with the holder 1 and the grippers 2, is movably placed in the vertical direction in the pipe cavity of the guide 3. The length of the cable 13 corresponds to the length of the carriage stroke, summed up with the length of its part that envelopes the block.

In an anti-vandal design, the device can be equipped with a vertical cover 15 in the form of a groove fixed at the top and bottom, covering the outer part of the cable 13 from the side of the guide 3 opposite to the holder 1.

The device can be mounted with the lower end of the rail 3 on the base 16. It is also possible to mount the device with the ends of the rail 3 and in other ways, for example, by fixing them on the wall with brackets 17 (Figs. 4 and 5).

When using the device, the rod 3 as a lever is pushed away from the guide 4, raised to the upper position and, deflecting it towards the guide 4, the hook 7 is thrown over the lock 6. The lock 6 prevents the carriage from displacement when a force is applied to the holder 1, directed downwards during pulling on its grips 2 shoe covers 8.

If two or more latches 6 are placed along the length of the guide 4, the lifting height of the carriage 5 is selected, which is more appropriate for the height of the user.

Pull the shoe cover 1 onto the grippers 2. Pulling the rod 3 from the guide 4, unhook the hook 7 from the latch 6 (Fig. 2). The stock 3 with the carriage 5 is lowered with the holder 1 with the grippers 2, as well as the shoe covers 8 stretched on them to the limits determined by the limiters 10 and 11. The wearable shoes 9 are alternately inserted into the shoe covers 8 stretched on the grippers 2, and, withdrawing it from the space covered by the grips 2, free the device for the next user.

The choice in the design of the device by the mutual correspondence of the masses of the load 14 on one side and the movable part of the device on the other side, as well as the choice of the required number of holes for the hook 7, provides the convenience of using the device - ease of installation and fixation of the holder 1 with grips 2 at a convenient height for the user.

The device allows users with disabilities (as well as healthy people) to put shoe covers on the shoes they are wearing, without bending over, with a fairly simple independent maintenance, which excludes the possibility of injury. Since there is no need to regularly refuel the device with a set of shoe covers, there is also no need to prevent unauthorized removal for personal use or on the basis of vandal motives.

As a result, the proposed technical solution for institutions with increased requirements for room hygiene provides a relatively inexpensive, reliable and vandal-resistant device for putting on shoe covers. The operation of this device does not require the involvement of either service (repair) services, or the maintenance personnel of the institution, and also allows its placement in rooms where it is not expedient to organize the continuous presence of the staff of the institution (for example, in lobbies, corridors, etc. places).

Claims (3)

1. A device for putting on disposable shoe covers with a plastic film cover and an elastic band, placed in the flap of the edge of this cover, containing a holder with grips for pulling the shoe cover, installed in a vertical linear guide on a carriage with a manual drive rod, and also a cable connected to the carriage, passing through a block installed at the top of the guide, characterized in that the guide is made in the form of a hollow pipe, a load is placed in the pipe cavity movably in the vertical direction, the weight of which corresponds to the weight of the holder with the carriage, and the end of the cable opposite to that attached to the carriage is fastened to this weight ... 2. The device according to claim. 1, characterized in that the guide is made in the form of a square tube, and the carriage is in the form of a branch pipe enclosing it, also of a square cross section. 3. The device according to claim. 1, characterized in that it is provided with a vertical cover in the form of a groove fixed from above and from below, covering the outer part of the cable from the side of the guide opposite to the holder.

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