RUBBER BUMPER

Abstract: The level plates and X-shape plate are formed inside of round or elliptical rubber or elastic plastic tube integrally so as said plates produce elasticity when impacted by means of absorbing (buffing) the impacts effectively.

Description: DESCRIPTION RUBBER BUMPER TECHNICAL FIELD This invention relates to a rubber bumper in which the buffing structure is integrally formed inside of the rou¬ nd or elliptical rubber tube in order to enhance the buff¬ ing action. BACKGROUND ART Is is well known that the rubber or elastic plastics show buffing actions by means of forming round shape, but in this case, the life of buffing action is short, namely, the rubber or elastic plastics become not to buff the im¬ pacts by distortion of the round shape by use. DISCLOSURE OF THE INVENTION This invention relates to a rubber bumper in which the buffing structure is integrally formed inside of the rou¬ nd or elliptical rubber tube to enhance the buffing action and to return to original round or elliptical shape right after the impact. In the present invention, the X-shape structure is formed inside of the round or elliptical ru¬ bber tube integrally in order to keep the action buffing strong impact for a long term instead of setting the sp¬ ring. The structures will be described according to Fig. 1, 2, 3, 4 and 5 as follows: The rubber bumpers as shown in Fig. 1, 2, 3, 4 and 5 are short length, but the length of the rubber bumper can be decided as occasion demands, and both ends of the rubber bumper are shut closely as shown in Fig. 7 as occasion demands. In Fig. 1, the rubber plates(2), (2' ) are integrally fo¬ rmed in parallel with each other up and down inside of the rubber tube(l) and then the X-shape rubber plate(3) is in¬ tegrally set between said rubber plates(2) and (2'),and installing space(4) is formed at down part of said tube. In aforementioned rubber tube(l), said tube's shape can be round or elliptical and can be made of elastic plastic. In aforementioned tube(l)(bumper), as shown in Fig. 6, the tube(l) is distorted elliptically as shown by inter¬ val(W) when the tube(l) is impacted,and the said level pl¬ ates^), (2 1 ) and X-shape plate(3) are simultaneously ext¬ ended so as not to permit said tube(l) to be easily dis- torted and as to keep elasticity of the tube(l), so that said X-shape plate(3) can be extended equally in left and right directions without unbalanced extension so as to ach¬ ieve balanced buffing of impacts. As shown in Fig. 2, the buffing parts(5), (5 1 ) of said tubed) can be formed side by side for the purpose of us¬ ing to ships or wharfs. For this purpose, the contacting part(6), the connecting plates(7), (7' ) and the installing space(8) are integrally formed, and if occasion demands, said buffing parts(5) can be increased for wide face. In the rubber or plastic elliptical bumper as shown in Fig. 3, said level plate(10) and said X-shape plate(H) are integrally formed in radial state inside of said ru¬ bber or plastic tube, further, as shown in Fig. 4, said level plate(12) and X-shape plate are formed thickly, but the longitudinal connecting plates(14), (14* ) are formed thinly in order to absorb the impacts equally, and the tu¬ be-shape structurs(l5), (15' ) are integrally formed inside of said rubber or elliptical tube for the purpose of equal extension and contraction, elasticity of said tube, fur¬ thermore, as shown in Fig. 5, the buffing structures can be formed by round tube(16), small round tubes(17), (17' ) and radial plate(longitudinally formed)(18). The rubber or plastic(elastic) can be selected from af¬ orementioned formations as occasion demands. Therefore, the rubber or elastic plastic bumper can protect the body of automobiles or ships by virture of its excellent act¬ ion of buffing(absorbing) impacts. Moreover, the bumper according to the present invention can be used to the bo¬ ttom of the gate of dam so as to prevent leakage of water β As seen from aforementioned structures of the bumper of the present invention, this bumper can be utilized for va¬ rious fields. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of the invention showing partial sectional view, Fig. 2 is a perspective view showing double tube of the invention, Fig. 3 is a perspective view of elliptically formed tu¬ be, and showing the radially formed buffing structures, Fig. 4 is a perspective view showing the structures as formed by the longitudinal round tube and radial plate, Fig. 5 is a perspective view showing the structures as formed by " the longitudinal small round tubes and the radi¬ al connecting plate, Fig. 6 is a side view showing the distorted state of of the invention when impacted, Fig. 7 is a sectional view of the bumper in which both ends are closed up tightly in order to produce the action of air compressing, Fig. 8 is an example showing the use of the invention to automobile and Fig. 9 is a side view showing the uses of the invention to the ship and wharf.

Claims: CLAIM 1. A rubber bumper as characterized in forming the le¬ vel rubber plates and X-shape plate inside of the rubber tube integrally and forming the installing space at down part of said tube. 2. A rubber bumper according to Claim 1 in which plural bumpers of the invention are formed in one and having wi¬ de contacting surfaces together with said level plates and X-shape plate. 3. A rubber bumper according to Claim 1 in which rubber tube is formed elliptically and said level plates and X- shape plate are integrally formed inside of said ellipti¬ cal tube. 4. A rubber bumper according to Claim 1 in which both ends of said tube are closed up. tightly in order to pro¬ duce the action of air compressing. 5. A rubber bumper according to Claim 1 in which the lon¬ gitudinal round tube and the radial plate are formed in sa¬ id tube. 6. A rubber bumper according to Claim 1 in which plural small longitudinal tubes are integrally formed outside of said longitudinal round tube and the radial plate is for¬ med inside of said longitudinal round tube.

Inventors: LEE SANG CHOON, LEE, SANG, CHOON
Applicants: LEE SANG CHOON, LEE, SANG, CHOON
Application year: 1985
Main classification: B60R19
IPC codes: B60R19, E02B3, F16F1