KR100802847B1 - Over slam bumper structure in vehicle - Google Patents

Over slam bumper structure in vehicle Download PDF

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Publication number
KR100802847B1
KR100802847B1 KR1020060105502A KR20060105502A KR100802847B1 KR 100802847 B1 KR100802847 B1 KR 100802847B1 KR 1020060105502 A KR1020060105502 A KR 1020060105502A KR 20060105502 A KR20060105502 A KR 20060105502A KR 100802847 B1 KR100802847 B1 KR 100802847B1
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KR
South Korea
Prior art keywords
bumper
bumper body
vehicle
chamber
over slam
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KR1020060105502A
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Korean (ko)
Inventor
정현진
Original Assignee
현대자동차주식회사
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Priority to KR1020060105502A priority Critical patent/KR100802847B1/en
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Publication of KR100802847B1 publication Critical patent/KR100802847B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/12—Parts or details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47—Springs; Spring tensioners

Abstract

A structure of an over slam bumper for a vehicle is provided to efficiently absorb the impact noise of panels and to improve an external appearance by maintaining the amount of protrusion of the bumper constantly when it is expanded and contracted by a temperature variation. A structure of an over slam bumper for a vehicle comprises a first bumper body(10) having a hollow cap shape and an extended flange(10a) at the top thereof, a second bumper body(11) formed with threads(11a) and slots(11b) of screw at the outer peripheries thereof, and a spring(13) disposed within the second bumper body resiliently supporting the first bumper body in the vertical direction. The first bumper body is inserted in the bottom of the second bumper body. A receiving space(11c) is provided on the top thereof with an air passageway(11d), which communicates with a first air chamber(12a) formed by a chamber cap(12) mounted on the top surface of the second bumper body.

Description

차량의 오버 슬램 범퍼구조{Over slam bumper structure in vehicle}Over slam bumper structure in vehicle

도 1은 종래 기술에 따른 오버 슬램 범퍼의 사시도,1 is a perspective view of an over slam bumper according to the prior art,

도 2는 본 발명에 오버 슬램 범퍼의 사시도 및 분해 사시도,2 is a perspective view and an exploded perspective view of the over slam bumper in the present invention,

도 3은 본 발명에 따른 오버 슬램 범퍼의 저온시의 작동 상태도,3 is an operating state diagram at a low temperature of the over slam bumper according to the present invention,

도 4는 본 발명에 따른 오버 슬램 범퍼의 고온시의 작동 상태도이다. 4 is an operating state diagram at a high temperature of the over slam bumper according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10-제1범퍼바디 11-제2범퍼바디10-first bumper body 11-second bumper body

13-스프링 14-챔버캡13-spring 14-chamber cap

본 발명은 차량의 오버 슬램 범퍼구조에 관한 것으로, 특히 2단 범퍼바디를 구비하고서 테일 게이트나 트렁크의 닫을 때에 패널들의 충격 소음을 줄여주고 단차 불량을 개선하도록 한 차량의 오버 슬램 범퍼구조에 관한 것이다.The present invention relates to an overslam bumper structure of a vehicle, and more particularly, to an overslam bumper structure of a vehicle provided with a two-stage bumper body to reduce the impact noise of panels when the tail gate or the trunk is closed and to improve a step difference. .

종래 차량의 오버 슬램 범퍼는 트렁크나 테일 게이트의 인너 패널에 장착되어 트렁크나 테일 게이트를 닫을 때에 충격 소음을 줄여주고, 단차를 흡수하며, 차량의 주행중에 트렁크나 테일 게이트의 진동을 억제하는 기능을 하는 것으로서, 도 1에 도시한 바와 같이 오버 슬램 범퍼(1)는 고무재질로 원기둥 형상으로 성형되고, 그 외주면에는 나사산(1a)과 나사홈(1b)이 형성되어 트렁크나 테일 게이트의 인너 패널(2)에 형성된 장착구멍에 그 일부가 돌출되게 조립되게 된다.The overslam bumper of a conventional vehicle is mounted on the inner panel of the trunk or tail gate to reduce shock noise when absorbing the trunk or tail gate, absorb a step, and suppress vibration of the trunk or tail gate while the vehicle is running. As shown in FIG. 1, the over slam bumper 1 is formed of a rubber material in a cylindrical shape, and threaded portions 1a and screw grooves 1b are formed on the outer circumferential surface thereof so that an inner panel of a trunk or tail gate ( A part thereof is assembled to protrude into the mounting hole formed in 2).

그런데 상기와 같은 종래의 오버 슬램 범퍼는 단순히 고무 사출품으로 성형되어 있어서 기온 변화에 따라 신장 혹은 수축됨에 따라 초기 장착시의 위치를 유지하지 못하여 테일 게이트나 트렁크를 닫을 때에 진동 및 충격 흡수기능을 제대로 발휘하지 못해서 소음을 발생시킬 뿐만 아니라 단차를 원활하게 흡수하지 못하여 외관미를 저하시키고, 차량의 주행중에 테일 게이트나 트렁크에 가해진 외력으로 인한 진동을 적절히 억제하지 못하는 등의 결점이 있었다.However, the conventional over slam bumpers as described above are simply molded with rubber injection moldings, and thus cannot be maintained at the initial mounting position as they are stretched or shrunk according to temperature changes, and thus the vibration and shock absorption functions properly when the tail gate or the trunk is closed. Not only does it generate noise, but also it does not absorb the step smoothly, thereby deteriorating the appearance, and there is a defect such as not properly suppress the vibration caused by the external force applied to the tail gate or trunk while the vehicle is running.

이에 본 발명은 상기한 사정을 감안하여 안출된 것으로, 트렁크나 테일 게이트를 닫을 때에 2단으로 접촉하여 충격소음을 효과적으로 줄여주고, 기온의 변화에 따라 신축될 때에 그 돌출량을 항상 일정하게 유지하여 소음 저감 및 단차 불량을 적절히 흡수해서 외관미의 저하를 예방할 수 있으며, 차량의 주행중에 트렁크나 테일 게이트에 가해진 진동을 적절히 흡수해서 저감시켜 소음을 줄일 수 있도록 한 차량의 오버 슬램 범퍼구조를 제공함에 그 목적이 있다.Therefore, the present invention has been devised in view of the above circumstances, and effectively reduces the impact noise by contacting in two stages when closing the trunk or the tail gate, and always keeps the amount of protrusion when stretched according to the change of temperature. It is possible to prevent the deterioration of appearance by appropriately absorbing noise reduction and step error, and to provide overslam bumper structure of the vehicle to reduce noise by appropriately absorbing and reducing vibration applied to the trunk or tail gate while driving the vehicle. The purpose is.

상기와 같은 목적을 달성하기 위한 본 발명은, 상부에 확장된 플랜지가 형성된 중공 모자형상의 제1범퍼바디와; 하부에 상기 제1범퍼바디가 삽입되고, 외주면에 나사산과 나사홈이 형성된 제2범퍼바디와; 상기 제2범퍼바디의 내부에 구비되어 상기 제1범퍼바디를 상하방향으로 탄지하는 스프링을 포함하여 이루어진다.
또한, 상기 제2범퍼바디의 내부에 상기 제1범퍼바디와 상기 스프링이 수용되는 수용공간이 형성되고, 상기 제2범퍼바디의 상면에 챔버캡이 장착되어 공기챔버를 형성하며, 상기 챔버캡에 바이메탈이 설치되어 상기 공기챔버를 하측의 제1공기챔버와 상측의 제2공기챔버로 구획하고, 상기 제1공기챔버와 상기 수용공간은 공기통로를 통해 연통된 것을 특징으로 한다.The present invention for achieving the above object, the first bumper body of the hollow hat shape having an extended flange formed thereon; A second bumper body in which the first bumper body is inserted and a thread and a screw groove are formed in an outer circumferential surface thereof; It is provided in the interior of the second bumper body comprises a spring for holding the first bumper body in the vertical direction.
In addition, an accommodating space for accommodating the first bumper body and the spring is formed inside the second bumper body, and a chamber cap is mounted on an upper surface of the second bumper body to form an air chamber. A bimetal is installed to partition the air chamber into a lower first air chamber and an upper second air chamber, wherein the first air chamber and the receiving space are communicated through an air passage.

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이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 2에는 본 발명에 따른 오버 슬램 범퍼의 사시도 및 분해 사시도가 도시되어 있는 바, 즉 고무 재질로 만들어지면서 내부가 빈 중공의 모자 형상을 이루는 제1범퍼바디(10)에는 확장된 플랜지(10a)가 일체로 형성되어 있고, 상기 제1범퍼바디(10)가 상하로 이동가능하게 삽입되면서 고무 재질로 만들어지는 제2범퍼바디(11)의 외주면에는 나사산(11a)과 나사홈(11b)이 형성되어 있으며, 상기 제2범퍼바디의 상단에는 내부가 빈 중공의 챔버캡(12)이 고정되게 장착된다.2 is a perspective view and an exploded perspective view of the over slam bumper according to the present invention, that is, the first flange bumper body 10 is made of a rubber material and forms an empty hollow cap shape (10a) Is integrally formed, and the thread 11a and the screw groove 11b are formed on the outer circumferential surface of the second bumper body 11 made of a rubber material while the first bumper body 10 is inserted to be movable up and down. In the upper end of the second bumper body, the hollow hollow chamber cap 12 is fixedly mounted.

또한 상기 제2범퍼바디의 내부에는 상기 제1범퍼바디가 삽입되어서 상하로 이동할 수 잇도록 수용공간(11c)이 형성되고, 상기 수용공간에 삽입된 제1범퍼바디의 플랜지는 스프링(13)을 매개로 탄력적으로 지지되게 설치된다.In addition, an accommodation space 11c is formed inside the second bumper body so that the first bumper body can be inserted and moved up and down, and the flange of the first bumper body inserted into the accommodation space has a spring 13. It is installed to be elastically supported by the media.

상기 수용공간(11c)의 상부에는 공기통로(11d)가 형성되고, 상기 공기통 로(11d)는 제2범퍼바디의 상단면까지 관통되게 형성되어서 제2범퍼바디의 상단면에 장착된 챔버캡(12)에 의해 형성되어 있는 제1공기챔버(12a)와 연통되게 형성되고, 상기 챔버캡(12)의 내부에는 원판형상의 바이메탈(14)이 장착되어 상기 제1공기챔버(12a)와 제2공기챔버(12b)를 구획지우게 된다. 상기 바이메탈은 상기 챔버캡의 내주면에 원주방향으로 형성된 고정홈에 끼워지는 형태로 장착된다.An air passage 11d is formed at an upper portion of the accommodating space 11c, and the air passage 11d is formed to penetrate to an upper end surface of the second bumper body and is mounted on an upper end surface of the second bumper body ( It is formed in communication with the first air chamber (12a) formed by the 12, the inside of the chamber cap 12 has a disc-shaped bimetal 14 is mounted to the first air chamber (12a) and the second The air chamber 12b is partitioned. The bimetal is mounted in a form fitted into a fixing groove formed in the circumferential direction on the inner circumferential surface of the chamber cap.

상기와 같이 구성된 본 발명에 따른 오버 슬램 범퍼를 트렁크나 테일 게이트의 인너 패널에 장착한 상태에서 트렁크나 테일 게이트를 닫게 되면, 상기 제1범퍼바디가 먼저 사이드 아웃터 패널에 접촉해서 오버 슬램 범퍼와 패널의 접촉 면적을 가능한 한 작게 하여 소음을 줄여주게 되는 데, 상기 제1범퍼바디는 상기 스프링을 압축시키면서 제2범퍼바디의 내부로 삽입됨과 더불어 상기 수용공간내에 있는 공기가 상기 제1공기챔버로 유입되게 된다.When the trunk or tail gate is closed in a state in which the over slam bumper according to the present invention configured as described above is mounted on the inner panel of the trunk or tail gate, the first bumper body first contacts the side outer panel and the over slam bumper and panel The noise of the first bumper body is inserted into the second bumper body while compressing the spring and the air in the receiving space flows into the first air chamber. Will be.

계속해서 트렁크와 테일 게이트의 닫힘 동작이 진행되면 제2범퍼바디가 사이드 아웃터 패널에 접촉하여 트렁크와 테일 게이트의 닫힘 충격 및 소음을 줄여주게 된다.As the trunk and tail gates continue to close, the second bumper body contacts the side outer panel to reduce the closing shock and noise of the trunk and tail gates.

한편 차량의 외부 기온이 강하하게 되면 고무재질로 된 제1,2범퍼바디가 수축되게 되는 데, 이 때에 도 3에 도시한 바와 같이 상기 바이메탈(14)이 제1범퍼바디 쪽으로 굽혀져서 상기 제1공기챔버의 공간을 축소하면서 제1공기챔버내의 공기를 가압하고, 가압된 공기압은 상기 공기통로를 통해 제1범퍼바디에 작용해서 제1범퍼바디가 제2범퍼바디로부터 더 돌출하게 됨으로써, 제1,2범퍼바디의 기온 강화로 인한 길이 수축량을 보상하게 됨으로써, 상기 챔버캡으로부터 상기 제1범퍼바디 까지의 범퍼의 전체 길이는 항상 일정하게 유지된다.Meanwhile, when the outside temperature of the vehicle decreases, the first and second bumper bodies made of rubber are contracted. At this time, the bimetal 14 is bent toward the first bumper body, as shown in FIG. The air in the first air chamber is pressurized while the space of the air chamber is reduced, and the pressurized air pressure acts on the first bumper body through the air passage so that the first bumper body protrudes further from the second bumper body. By compensating for the length shrinkage due to the temperature increase of the two bumper bodies, the entire length of the bumper from the chamber cap to the first bumper body is always kept constant.

따라서 기온 강하시에 범퍼길이의 축소 변화로 인한 범퍼의 불량 작동을 방지하여 충격 소음의 발생과 트렁크 및 테일 게이트의 진동 억제 기능의 저하를 예방하고, 단차도 적절하게 흡수해서 외관미의 저하를 방지하게 되는 것이다.Therefore, it prevents the bumper from malfunctioning due to the reduction of the bumper length at the temperature drop, thereby preventing the occurrence of impact noise and the deterioration of vibration suppression function of the trunk and tail gate. Will be done.

그리고 기온이 상승하게 되면 제1,2범퍼바디의 길이가 늘어나게 되는 데, 이 경우에 도 4에 도시된 바와 같이 상기 바이메탈이 제1공기챔버의 체적을 확장시키는 방향으로 굽혀져서 제1공기챔버내의 공기압을 감소시킴으로써, 제1범퍼바디가 그만큼 제2범퍼바디의 내부로 삽입되어 범퍼의 전체 길이는 일정하게 유지됨으로써, 상기와 동일한 작용 및 효과를 발휘하게 된다.As the temperature increases, the lengths of the first and second bumper bodies increase. In this case, as shown in FIG. 4, the bimetal is bent in a direction in which the volume of the first air chamber is expanded to be in the first air chamber. By reducing the air pressure, the first bumper body is inserted into the second bumper body by that much, and the overall length of the bumper is kept constant, thereby exerting the same action and effect as above.

이상 설명한 바와 같이 본 발명에 따른 차량의 오버 슬램 범퍼구조에 의하면, 트렁크나 테일 게이트의 인너 패널에 장착되어 트렁크나 테일 게이트를 닫을 때에 사이드 아웃터 패널과의 1차 접촉 면적을 최소화시켜 충격 소음을 효과적으로 줄여줄 수 있고, 차량의 주행중에는 보다 넓은 면적으로 트렁크와 테일 게이트를 안정되게 지지하여 트렁크와 테일 게이트의 진동을 억제해서 소음을 예방하게 되며, 기온의 변화에도 항상 일정한 길이를 유지해서 트렁크와 테일 게이트 및 사이드 아웃터 패널 사이의 단차를 적절히 흡수해서 차량의 외관미 저하를 방지할 수 있는 등의 효과가 있다.As described above, according to the overslam bumper structure of the vehicle according to the present invention, it is mounted on the inner panel of the trunk or tail gate and minimizes the primary contact area with the side outer panel when the trunk or tail gate is closed to effectively reduce the impact noise. The trunk and tail gates can be stably supported in a wider area while the vehicle is running, thereby suppressing the vibrations of the trunk and tail gates to prevent noise. There is an effect of appropriately absorbing the step between the gate and the side outer panel to prevent the appearance deterioration of the vehicle.

Claims (3)

상부에 확장된 플랜지(10a)가 형성된 중공 모자형상의 제1범퍼바디(10)와;A hollow cap-shaped first bumper body 10 having an extended flange 10a formed thereon; 하부에 상기 제1범퍼바디(10)가 삽입되고, 외주면에 나사산(11a)과 나사홈(11b)이 형성된 제2범퍼바디(11)와;A second bumper body 11 having a first bumper body 10 inserted therein and a thread 11a and a screw groove 11b formed on an outer circumferential surface thereof; 상기 제2범퍼바디(11)의 내부에 구비되어 상기 제1범퍼바디(10)를 상하방향으로 탄지하는 스프링(13);A spring 13 provided inside the second bumper body 11 and holding the first bumper body 10 upward and downward; 을 포함하여 이루어진 차량의 오버 슬램 범퍼구조.Over slam bumper structure of the vehicle made, including. 청구항 1에 있어서, 상기 제2범퍼바디(11)의 내부에 상기 제1범퍼바디(10)와 상기 스프링(13)이 수용되는 수용공간(11c)이 형성되고, 상기 제2범퍼바디(11)의 상면에 챔버캡(12)이 장착되어 공기챔버를 형성하며, 상기 챔버캡(12)에 바이메탈(14)이 설치되어 상기 공기챔버를 하측의 제1공기챔버(12a)와 상측의 제2공기챔버(12b)로 구획하고, 상기 제1공기챔버(12a)와 상기 수용공간(11c)은 공기통로(11d)를 통해 연통된 것을 특징으로 하는 차량의 오버 슬램 범퍼구조.The method of claim 1, wherein the receiving space 11c is formed in the second bumper body 11 to accommodate the first bumper body 10 and the spring 13, the second bumper body 11 A chamber cap 12 is mounted on an upper surface of the chamber cap 12 to form an air chamber, and a bimetal 14 is installed in the chamber cap 12 so that the air chamber has a lower first air chamber 12a and a second air above. And a first air chamber (12a) and the receiving space (11c) communicate with each other through an air passage (11d). 삭제delete
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9656627B2 (en) 2015-10-06 2017-05-23 Ford Global Technologies, Llc Hood bumpers to absorb loading
KR20190007545A (en) 2017-07-12 2019-01-23 현대자동차주식회사 Over slam bumper apparatus for tail gate pop-up

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Publication number Priority date Publication date Assignee Title
JPH0277338U (en) * 1988-12-02 1990-06-13
JPH05254461A (en) * 1992-03-16 1993-10-05 Kinugawa Rubber Ind Co Ltd Bumper rubber
JPH10305782A (en) 1996-10-18 1998-11-17 Hyundai Motor Co Ltd Hood over slam bumper shock absorber for automobile
KR100469470B1 (en) 2003-01-30 2005-02-02 엘지전자 주식회사 Damper using thermal transformation and washing machine having the same
KR20050120110A (en) * 2004-06-18 2005-12-22 현대자동차주식회사 Over slam bumper for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0277338U (en) * 1988-12-02 1990-06-13
JPH05254461A (en) * 1992-03-16 1993-10-05 Kinugawa Rubber Ind Co Ltd Bumper rubber
JPH10305782A (en) 1996-10-18 1998-11-17 Hyundai Motor Co Ltd Hood over slam bumper shock absorber for automobile
KR100469470B1 (en) 2003-01-30 2005-02-02 엘지전자 주식회사 Damper using thermal transformation and washing machine having the same
KR20050120110A (en) * 2004-06-18 2005-12-22 현대자동차주식회사 Over slam bumper for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9656627B2 (en) 2015-10-06 2017-05-23 Ford Global Technologies, Llc Hood bumpers to absorb loading
KR20190007545A (en) 2017-07-12 2019-01-23 현대자동차주식회사 Over slam bumper apparatus for tail gate pop-up

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