1. A refrigerator comprising:
a main body cabinet forming a storage compartment with a front opening; and
a drawer type door movably coupled to the main body cabinet, the drawer type door comprising a basket which is movable with respect to the storage compartment in forward and backward directions, the drawer type door comprising;
a door main body having a gasket installed at an inner surface thereof to establish a gasket seal when the door main body is in a closed position to close the front opening of the storage compartment;
a horizontally extending pocket formed in an upper part of the door main body, the pocket having an upper opening to allow fingers of a user to be inserted;
a handle member rotatably installed in the pocket such that the handle member is operable by user fingers inserted in the upper opening of the pocket to rotate in forward and backward directions with respect to the door main body; and
a pair of sliders which are disposed in an inner part of the door main body to face front surfaces of lateral walls of the storage compartment and reciprocate depending on a rotation of the handle member between an opening position protruding from the door main body to press the front surfaces of the lateral walls of the storage compartment to cause the gasket seal to break between the door main body and the main body cabinet, and a closing position accommodated in the inner part of the door main body.
2. The refrigerator according to claim 1, wherein the handle member comprises:
a lever which is accommodated in the pocket;
a hinge unit which couples the lever with respect to the door main body to rotate in the forward and backward directions; and
a pressing unit which moves in an opposite direction relative to the lever about the hinge unit depending on a rotation of the lever, and presses and releases the slider.
3. The refrigerator according to claim 2, further comprising a pair of the pressing units at opposite sides in a widthwise direction of the door main body.
4. The refrigerator according to claim 3, wherein the hinge unit is provided in a plurality of areas of the lever along the widthwise direction of the door main body.
5. The refrigerator according to claim 2, wherein the hinge unit comprises a hinge pivot provided to the lever and having an axial direction along a widthwise direction of the door main body, and a hinge pivot coupling unit coupling the hinge pivot to the door main body, and the hinge pivot coupling unit and the door main body each comprise hinge pivot accommodating grooves facing each other to be coupled to each other to surround the hinge pivot.
6. The refrigerator according to claim 2, wherein the lever comprises:
a lever main body, a surface of which is disposed in a surface direction of the door main body to be distanced from a front wall surface of the pocket unit in the opening position; and
a lever cover which is bent from an end area of the lever main body to cover between a front wall surface of the pocket unit and the lever main body.
7. A refrigerator, comprising:
a main body cabinet forming a storage compartment with a front opening; and
a drawer type door movably coupled to the main body cabinet, the drawer type door comprising a basket which is movable with respect to the storage compartment in forward and backward directions, the drawer type door comprising;
a door main body having a gasket installed at an inner surface thereof to establish a gasket seal when the door main body is in a closed position to close the front opening of the storage compartment;
a horizontally extending pocket formed in an upper wall surface of the door main body, the pocket having an upper opening to allow fingers of a user to be inserted;
a handle member rotatably installed in the pocket such that the handle member is operable by user fingers inserted in the upper opening of the pocket, and comprises a hinge unit provided to a plurality of areas along a widthwise direction of the door main body to rotate in forward and backward directions with respect to the door main body; and
a pair of sliders which are disposed in an inner part of the door main body to face front surfaces of lateral walls of the storage compartment and reciprocate depending on a rotation of the handle member between an opening position protruding from the door main body to press the front surfaces of the lateral walls of the storage compartment to cause the gasket seal to break between the door main body and the main body cabinet, and a closing position accommodated in the inner pad of the door main body.
8. The refrigerator according to claim 7, wherein the handle member comprises: a lever which is accommodated in the pocket; and a pressing unit which moves in the opposite direction to the lever about the hinge unit depending on a rotation of the lever, and presses and releases the slider.
9. The refrigerator according to claim 8, further comprising a pair of the pressing units at opposite sides in a widthwise direction of the door main body.
10. The refrigerator according to claim 8, wherein the hinge unit comprises a hinge pivot provided to the lever and having an axial direction along a widthwise direction of the door main body, and a hinge pivot coupling unit coupling the hinge pivot to the door main body, and the hinge pivot coupling unit and the door main body each comprise hinge pivot accommodating grooves facing each other to be coupled to each other to surround the hinge pivot.
11. A refrigerator which comprises:
a main body cabinet forming a storage compartment with a front opening; and
a drawer type door movably coupled to the main body cabinet, the drawer type door comprising a basket which is movable with respect to the storage compartment in forward and backward directions, the drawer type door comprising;
a door main body having a gasket installed at an inner surface thereof to establish a gasket seal when the door main body is in a closed position to close the front opening of the storage compartment;
a horizontally extending pocket formed in an upper part of the door main body, the pocket having an upper opening to allow fingers of a user to be inserted;
a handle member rotatably installed in the pocket such that the handle member is operable by user fingers inserted in the upper opening of the pocket to rotate in forward and backward directions with respect to the door main body, the handle member comprising;
a lever which is accommodated in the pocket;
a hinge unit which couples the lever with respect to the door main body to rotate in the forward and backward directions;
a pressing unit which moves in an opposite direction relative to the lever about the hinge unit depending on a rotation of the lever, and presses and releases a pair of sliders;
wherein the pair of sliders are disposed in an inner part of the door main body to face front surfaces of lateral walls of the storage compartment and reciprocate depending on a rotation of the handle member between an opening position protruding from the door main body to press the front surfaces of the lateral walls of the storage compartment to cause the gasket seal to break between the door main body and the main body cabinet, and a closing position accommodated in the inner part of the door main body.
12. The refrigerator according to claim 11, further comprising a pair of the pressing units respectively at opposite sides in a widthwise direction of the door main body.
13. The refrigerator according to claim 11, wherein the hinge unit comprises a hinge pivot provided to the lever and having an axial direction along a widthwise direction of the door main body, and a hinge pivot coupling unit coupling the hinge pivot to the door main body, and
the hinge pivot coupling unit and the door main body are formed with hinge pivot accommodating grooves facing each other to be coupled to each other to surround the hinge pivot.
14. The refrigerator according to claim 11, wherein the lever comprises:
a lever main body, a surface of which is disposed in a surface direction of the door main body to be distanced from a front wall surface of the pocket in the opening position; and
a lever cover which is bent from an end area of the lever main body to cover between a front wall surface of the pocket and the lever main body.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A microscope in which laser light is used to irradiate a sample to be examined and which is outfitted with a protective device for preventing eye damage due to laser light comprising that the protective device has at least one area which is not transparent to harmful radiation components but which is transparent to harmless, visible radiation components, so that an observer can see the sample through this area without risk of eye damage,
wherein the protective device is constructed as a housing enclosing the sample space, wherein the housing wall has at least one area that is transparent to harmless, visible radiation components.
2. The microscope according to claim 1, wherein colored plexiglass is provided as material for the transparent area of the housing.
3. The microscope according to claim 2, wherein the colored plexiglass is a red-colored plexiglass which is not transparent to light wavelengths less than 550 nm and which is transparent to light wavelengths greater than 550 nm is provided.
4. The microscope according to claim 1, wherein the protective device is constructed as the housing enclosing the sample space, wherein the housing has at least one area which is transparent to the laser radiation but which has a light-scattering effect such that the intensity of the exiting radiation components is not damaging to the eye.
5. The microscope according to claim 1, wherein the housing is provided with at least one closeable opening for inserting objects into and removing objects from the sample space enclosed by the housing, wherein the opening can be covered by a housing part.
6. The microscope according to claim 5, wherein the housing part serving to close the opening is displaceably connected to the housing wall by hinges or guide rails.
7. The microscope according to claim 6, wherein the housing part serving to close the opening communicates with a closing contact that is connected to the laser light source by a control circuit in such a way that it is impossible to switch on the laser light source when the opening is not closed.
8. The microscope according to claim 1, wherein an optical device is arranged inside the sample space enclosed by the housing for imaging the laser beam cross section on an area of the housing wall that is transparent to harmless, visible radiation components so that the laser beam cross section is visible to an observer viewing the housing from the outside without the risk of eye damage.
9. The microscope according to claim 1, wherein the protective device is constructed as an incubation chamber so that it is possible to observe biological samples in a climate of defined air humidity, temperature and atmosphere during their growth process.