Adjustable translation overhanging boarding ladder

By designing an adjustable, extendable boarding ladder, and utilizing the combination of hydraulic cylinders and wire rope pulleys, the boarding ladder can be adjusted for horizontal extension and synchronously retractable enclosures. This solves the problem of poor safety of traditional boarding ladders and improves their safety and stability.

CN224104261UActive Publication Date: 2026-04-10启东汇斯隆机械有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional boarding ladders lack effective fencing protection when dealing with inconsistent distances between ships and docks, resulting in poor safety.

Method used

Design an adjustable, lateral extension boarding ladder, comprising a lateral extension ladder assembly, a telescopic fence assembly, a footboard frame, first and second fence posts, and a fence assembly. Through the cooperation of a hydraulic cylinder and a wire rope pulley frame, the boarding ladder can be adjusted to lateral extension, and the fence can be extended and retracted simultaneously during the extension process.

Benefits of technology

The safety and stability of the boarding ladder after its horizontal extension adjustment are improved, ensuring full coverage of the enclosure, avoiding gaps in the enclosure, and enhancing the safety and convenience of use.

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Abstract

The utility model discloses an adjustable translation extension type boarding ladder, which relates to the technical field of boarding ladder equipment and comprises a translation extension ladder assembly, a telescopic fence assembly, a pedal frame, a first fence rod, a second fence rod and a fence assembly. The plurality of pedal frames in the translation extension ladder assembly are used for translation extension adjustment, translation extension adjustment of the boarding ladder can be realized, the telescopic fence assembly performs fence treatment on the two sides of the pedal frames, and the telescopic fence assembly can perform telescopic movement while the pedal frames are subjected to translation extension adjustment, so that the boarding ladder is convenient to use. Furthermore, full-coverage fence treatment is guaranteed in the outer side adjusting process of the boarding ladder, and the use safety and stability of the boarding ladder after translation and extension adjustment can be effectively improved; the fence assembly and the second fence rod are matched to form a telescopic fence, the outer side of the pedal frame is subjected to fence treatment, and then full-coverage fence treatment on the outer side of the pedal frame is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ship ladder equipment technical field, concretely is a kind of adjustable translation overhanging type ship ladder. BACKGROUND

[0002] Ship ladder is the device for loading and unloading personnel and crew to safely and smoothly get on and off ship during the process of ship stopping at wharf;Traditional ship ladder is mainly completed by gangway carried by ship itself;Since the interval between ship stopping position and wharf cannot be completely unified, it is necessary to design telescopic ship ladder to cope with the above situation.

[0003] Patent (CN118220420B) discloses a kind of ship telescopic ladder, including fixed ladder and movable ladder;The movable ladder is connected on the fixed ladder by adjusting unit, the adjusting unit includes multiple fastening plates;The fastening plate of the same side position of the fixed ladder and movable ladder is arranged in two axis symmetrical, and each fastening plate includes wrapping part and embedded part;The wrapping part on the fastening plate in upper position is installed in fixed ladder by locking mechanism, and the embedded part of the fastening plate in upper position is installed in movable ladder by fastening mechanism;The wrapping part of the fastening plate in lower position is installed on movable ladder by locking mechanism, and the embedded part of the fastening plate in lower position is installed on fixed ladder by fastening mechanism;Telescopic ladder for ship designed in the application, length can be flexibly adjusted, more widely used, and telescopic ladder is portable, flexible and light to carry and fix, when not in use, it can also be conveniently stored, can be placed vertically, and the occupied space is less.

[0004] The telescopic ladder for ship in the above patent is mainly used for telescopic adjustment in up-down direction, when the telescopic ladder for ship is applied to ship ladder, although it can cope with the problem that the interval between ship stopping position and wharf cannot be completely unified by telescopic adjustment, but it is not designed with fence and other protection components, and the safety of boarding ship is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adjustable translation overhanging type ship ladder to solve the problems raised in the above background.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of adjustable translation overhanging type ship ladder, including translation telescopic ladder assembly, the outer wall top of translation telescopic ladder assembly two sides is vertically symmetrical and is equipped with telescopic fence assembly, translation telescopic ladder assembly includes several horizontal setting's step board frame, telescopic fence assembly includes first fence pole and several second fence poles, and movable connection's fence component is equipped between adjacent two second fence poles, first fence pole is fixedly connected with the top of step board frame at one end of translation telescopic ladder assembly, and the bottom of second fence pole is fixedly connected with the top of step board frame away from the end of first fence pole.

[0007] Further, the top of the two second fence rods is fixedly connected by elastic ropes, and the first fence rod and the second fence rod arranged on the top of the same pedal frame are fixedly connected by a plurality of third fence rods.

[0008] Further, the fence assembly comprises a plurality of first connecting rods and second connecting rods, the centers of the first connecting rods and the second connecting rods are rotationally connected, the two ends of the first connecting rod are respectively rotationally connected with the ends of two second connecting rods, and the ends of the first connecting rod and the second connecting rod arranged at the two ends of the fence assembly are respectively rotationally connected with the outer wall of the second fence rod.

[0009] Further, the pedal frame is provided with six, which comprises frame one, frame two, frame three, frame four, frame five and frame six, the frame one and the frame two are slidingly connected, the frame two and the frame three are slidingly connected, the frame three and the frame four are slidingly connected, the frame four and the frame five are slidingly connected, and the frame five and the frame six are slidingly connected.

[0010] Further, the inner side of the frame one is horizontally provided with a hydraulic cylinder and a first connecting frame, the inner wall of the frame two, the frame three, the frame four and the frame five is provided with a pulley frame away from one end of the frame one, the output end of the hydraulic cylinder is rotationally connected with the pulley frame on the frame two, the outer wall of the pulley frame is provided with a second connecting frame close to one side of the frame one, and the inner wall of the frame two, the frame three, the frame four, the frame five and the frame six is provided with a third connecting frame close to one end of the frame one.

[0011] Further, the translation telescopic ladder assembly further comprises four groups of steel wires, which are divided into steel wire one, steel wire two, steel wire three and steel wire four; one end of the steel wire one is fixedly connected with the first connecting frame, the other end of the steel wire one is fixedly connected with the third connecting frame on the frame three, and the steel wire one passes through the pulley frame on the frame two; the two ends of the steel wire two are respectively fixedly connected with the second connecting frame on the frame two and the third connecting frame on the frame four, and the steel wire two passes through the pulley frame on the frame three; the two ends of the steel wire three are respectively fixedly connected with the second connecting frame on the frame three and the third connecting frame on the frame five, and the steel wire three passes through the pulley frame on the frame four; the two ends of the steel wire four are respectively fixedly connected with the second connecting frame on the frame four and the third connecting frame on the frame six, and the steel wire four passes through the pulley frame on the frame five.

[0012] Further, the inner side of the pulley frame is provided with two rotationally connected pulleys, and the pulleys on the inner sides of the adjacent two pulley frames have different spacings.

[0013] Further, the frame one, the frame two, the frame three, the frame four, the frame five and the frame six are sequentially distributed from top to bottom.

[0014] Further, the outer wall of the frame one, the frame two, the frame three, the frame four and the frame five close to the one end of the frame six are respectively provided with the first roller connected in rotation, and the inner wall of the frame two, the frame three, the frame four and the frame five close to the one end of the frame one are respectively provided with the second roller connected in rotation.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、The utility model discloses a telescopic ladder assembly, telescopic fence assembly, pedal frame, first fence pole, second fence pole, fence assembly are set up, a plurality of pedal frame in telescopic ladder assembly is used for the translation outward extension adjustment, can realize the translation outward extension type adjustment of boarding ladder, telescopic fence assembly is handled in the both sides of pedal frame and is fenced in telescopic fence assembly can be handled in the pedal frame translation outward extension adjustment and carries out telescopic movement simultaneously, can effectively in the boarding ladder translation outward extension adjustment process carry out synchronous telescopic, and then guarantee full coverage's fence handling in the boarding ladder outside adjustment process, can effectively improve the security and stability of boarding ladder in the pedal frame translation outward extension adjustment after using, the first fence pole in telescopic fence assembly is used for limiting support in the one end of boarding ladder, and the second fence pole is used for connecting support between different pedal frames, and the fence assembly is handled in the telescopic support between two second fence poles, and the fence assembly and second fence pole cooperation constitute telescopic fence, realize the fence handling of pedal frame outside, and then realize the full coverage fence handling of pedal frame outside.

[0017] 2、The utility model discloses a telescopic translation adjustment, and adjustment hydraulic cylinder carries out telescopic movement, and hydraulic cylinder drives the pulley frame on frame two and carries out translation adjustment, because the length of steel wire rope one is fixed, and the both ends of steel wire rope one are connected on frame one and frame three while passing through the pulley frame on frame two, with frame two and the pulley frame on its surface horizontal movement, make steel wire rope one can drive frame three and carry out translation outward extension adjustment, the whole translation outward extension of frame three drives the pulley frame on its surface and carries out translation movement, and the both ends of steel wire rope two are connected on frame two and frame four while passing through the pulley frame on frame three, with frame three and the pulley frame on its surface horizontal movement, make steel wire rope two can drive frame four and carry out translation outward extension adjustment, the translation outward extension adjustment principle of frame five and frame six is same, and the telescopic movement of one hydraulic cylinder can realize the translation outward extension movement of six pedal frames, and operation is convenient and quick. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 is a structural schematic view of the whole of the present application;

[0020] Figure 2 is a structural schematic view of the fence assembly and the second fence rod of the present application;

[0021] Figure 3 is a structural schematic view of the pedal frame of the present application;

[0022] Figure 4 is a structural schematic view of the internal structure of the pedal frame of the present application;

[0023] Figure 5 is a structural schematic view of the frame three of the present application;

[0024] In the drawings: 1, translation telescopic ladder assembly; 2, telescopic fence assembly; 201, first fence rod; 202, second fence rod; 203, fence assembly; 204, elastic rope; 205, third fence rod; 206, first connecting rod; 207, second connecting rod; 3, pedal frame; 301, frame one; 302, frame two; 303, frame three; 304, frame four; 305, frame five; 306, frame six; 307, hydraulic cylinder; 308, first connecting frame; 309, pulley frame; 310, second connecting frame; 311, third connecting frame; 312, pulley; 313, first roller; 314, second roller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-5The utility model provides technical scheme: a adjustable translation outward extension formula boarding ladder, including translation telescopic ladder subassembly 1, the translation telescopic ladder subassembly 1 outer wall top both sides vertical symmetry is equipped with telescopic fence subassembly 2, the translation telescopic ladder subassembly 1 includes several horizontal arrangement's step board frame 3, telescopic fence subassembly 2 includes first fence pole 201 and several second fence pole 202, the fence assembly 203 of movable joint is equipped with between adjacent two second fence pole 202, first fence pole 201 is fixedly connected with the step board frame 3 top of the one end of translation telescopic ladder subassembly 1, the second fence pole 202 bottom is fixedly connected with the step board frame 3 top away from first fence pole 201 one end, the top of two second fence pole 202 of being connected is fixedly connected through elastic rope 204, the first fence pole 201 and second fence pole 202 between being arranged in the same step board frame 3 top are fixedly connected through several third fence poles 205, fence assembly 203 includes several first connecting rod 206 and second connecting rod 207, the center rotation connection of first connecting rod 206 and second connecting rod 207, the both ends of first connecting rod 206 are respectively rotationally connected with the end of two second connecting rod 207, and the end of first connecting rod 206 and second connecting rod 207 located at the both ends of fence assembly 203 is respectively rotationally connected with the outer wall of second fence pole 202.

[0027] In one embodiment, the step board frame 3 is provided six, six including the step board frame 3 is divided into frame one 301, frame two 302, frame three 303, frame four 304, frame five 305 and frame six 306, frame one 301 is connected with frame two 302 sliding, frame two 302 is connected with frame three 303 sliding, frame three 303 is connected with frame four 304 sliding, frame four 304 is connected with frame five 305 sliding, frame five 305 is connected with frame six 306 sliding, setting six step board frames 3, so that the translation telescopic ladder subassembly 1 can carry out six times telescopic processing, can effectively prolong the telescopic range of motion of boarding ladder, and then improve the application range of boarding ladder.

[0028] In one embodiment, the frame one 301 is provided with a hydraulic cylinder 307 and a first connecting frame 308 on the inner side, the frame two 302, the frame three 303, the frame four 304 and the frame five 305 are provided with a pulley frame 309 on the inner wall away from one end of the frame one 301, the output end of the hydraulic cylinder 307 is rotationally connected with the pulley frame 309 on the frame two 302, the outer wall of the pulley frame 309 is provided with a second connecting frame 310 close to one side of the frame one 301, and the inner wall of the frame two 302, the frame three 303, the frame four 304, the frame five 305 and the frame six 306 is provided with a third connecting frame 311 close to one end of the frame one 301; the translation telescopic ladder assembly 1 further comprises four groups of steel wires, which are divided into a steel wire one, a steel wire two, a steel wire three and a steel wire four; one end of the steel wire one is fixedly connected with the first connecting frame 308, the other end of the steel wire one is fixedly connected with the third connecting frame 311 on the frame three 303, and the steel wire one passes through the pulley frame 309 on the frame two 302; the steel wire two is fixedly connected with the second connecting frame 310 on the frame two 302 and the third connecting frame 311 on the frame four 304 at both ends respectively, and the steel wire two passes through the pulley frame 309 on the frame three 303; the steel wire three is fixedly connected with the second connecting frame 310 on the frame three 303 and the third connecting frame 311 on the frame five 305 at both ends respectively, and the steel wire three passes through the pulley frame 309 on the frame four 304; the steel wire four is fixedly connected with the second connecting frame 310 on the frame four 304 and the third connecting frame 311 on the frame six 306 at both ends respectively, and the steel wire four passes through the pulley frame 309 on the frame five 305.

[0029] In the embodiment, the steel wire and the pulley frame 309 are used to realize the telescopic movement between different frames; when the telescopic translation is adjusted, the hydraulic cylinder 307 is adjusted to perform telescopic movement, the pulley frame 309 on the frame two 302 is driven by the hydraulic cylinder 307 to perform translation adjustment, since the length of the steel wire one is fixed, the steel wire one passes through the pulley frame 309 on the frame two 302 while the two ends are connected to the frame one 301 and the frame three 303 respectively, and the steel wire one can drive the frame three 303 to perform translation extension adjustment along with the horizontal movement of the frame two 302 and the pulley frame 309 on the surface thereof; the overall translation extension of the frame three 303 drives the pulley frame 309 on the surface thereof to perform translation movement, and the steel wire two passes through the pulley frame 309 on the frame three 303 while the two ends are connected to the frame two 302 and the frame four 304 respectively, and the steel wire two can drive the frame four 304 to perform translation extension adjustment along with the horizontal movement of the frame three 303 and the pulley frame 309 on the surface thereof; the translation extension adjustment principles of the frame five 305 and the frame six 306 are the same as above, and the telescopic movement of one hydraulic cylinder 307 can realize the translation extension movement of the six pedal frames 3, which is convenient and fast.

[0030] In one embodiment, two rotatingly connected pulleys 312 are arranged inside the pulley frame 309, one pulley frame 309 is provided with two pulleys 312, which can effectively improve the stability and safety of the movement of the pedal frame driven by the steel wire rope; the distance between the pulleys 312 inside the adjacent two pulley frames 309 is different, so that the steel wire ropes are staggered, which can effectively prevent the steel wire ropes from being wound and worn.

[0031] In one embodiment, the frame one 301, the frame two 302, the frame three 303, the frame four 304, the frame five 305 and the frame six 306 are sequentially distributed from top to bottom, which can effectively save the occupied space of the boarding ladder, and ensure that the boarding ladder is distributed in a step-by-step manner after being extended and translated, so that the boarding ladder is more convenient to use.

[0032] In one embodiment, the frame one 301, the frame two 302, the frame three 303, the frame four 304 and the frame five 305 are respectively provided with a rotatingly connected first roller 313 near one end of the frame six 306, and the frame two 302, the frame three 303, the frame four 304 and the frame five 305 are respectively provided with a rotatingly connected second roller 314 near the inner wall of one end of the frame six 306, the first roller 313 slides and guides and supports on the outside of different pedal frames 3, and the second roller 314 slides and guides and supports on the inside of different pedal frames 3, which can effectively improve the stability and safety of the movement adjustment of the pedal frame 3.

[0033] The working principle of the utility model is as follows:

[0034] Referring to the drawings in the specification Figures 1-5 The utility model discloses a translation telescopic ladder assembly 1, telescopic fence assembly 2, pedal frame 3, first fence pole 201, second fence pole 202, fence assembly 203 are set up, and the plurality of pedal frames 3 in translation telescopic ladder assembly 1 are used to carry out the translation extension adjustment, can realize the translation extension type adjustment of boarding ladder, and telescopic fence assembly 2 carries out the blocking treatment on both sides of pedal frame 3, and telescopic fence assembly 2 can carry out telescopic motion while the translation extension adjustment of pedal frame 3, can effectively carry out synchronous telescopic in the translation extension adjustment process of boarding ladder, further guarantee the full coverage blocking treatment in the adjustment process of the outside of boarding ladder, will not appear the blocking gap after the translation extension adjustment of boarding ladder, can effectively improve the safety and stability of the use of boarding ladder after the translation extension adjustment, and the first fence pole 201 in telescopic fence assembly 2 is used for the location support at one end of boarding ladder, and the second fence pole 202 is used for the connecting support between different pedal frames 3, and fence assembly 203 carries out telescopic support between the adjacent two second fence poles 202, and fence assembly 203 and second fence pole 202 cooperate and constitute telescopic fence, realize the blocking treatment to the outside of pedal frame 3, further realize the full coverage blocking treatment to the outside of pedal frame 3.

[0035] The elastic rope 204 is elastically supported on the top of the adjacent second fence rod 202, can be elastically stretched and contracted with the translation adjustment of the boarding ladder, and is always located on the top of the second fence rod 202, is limited and blocked above the fence assembly 203, and can further improve the safety of the boarding ladder; the fence assembly 203 is designed as multiple first connecting rods 206 and second connecting rods 207 to form multiple groups of diamond structures, so that the fence assembly 203 can perform stretching and contracting movements with the spacing change of the adjacent second fence rod 202 when the boarding ladder is translated and extended, and ensure that the fence assembly 203 can fully cover and block the space between the adjacent second fence rods 202.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable translationally extending boarding walkway, comprising a translationally telescopic ladder assembly (1), characterized in that: The translation telescopic ladder assembly (1) outer wall top both sides of the vertical symmetry is equipped with telescopic fence assembly (2), the translation telescopic ladder assembly (1) includes several horizontal setting pedal frame (3), the telescopic fence assembly (2) includes first fence pole (201) and several second fence pole (202), the adjacent two second fence pole (202) between being equipped with movable connection fence assembly (203), the first fence pole (201) is fixedly connected with the pedal frame (3) top at one end of translation telescopic ladder assembly (1), the second fence pole (202) bottom is fixedly connected with the pedal frame (3) top away from the first fence pole (201) one end.

2. An adjustable translationally-extendable embarkation ladder according to claim 1, characterized in that: The top of the two second fence poles (202) is fixedly connected by an elastic rope (204), and the first fence pole (201) and the second fence pole (202) provided on the top of the same pedal frame (3) are fixedly connected by a plurality of third fence poles (205).

3. An adjustable translating over-the-side embarkation ramp as defined in claim 1, wherein: The fence assembly (203) includes a plurality of first connecting rods (206) and second connecting rods (207), the center of the first connecting rod (206) and the second connecting rod (207) is rotatably connected, the two ends of the first connecting rod (206) are rotatably connected with the ends of the two second connecting rods (207), and the ends of the first connecting rod (206) and the second connecting rod (207) at both ends of the fence assembly (203) are rotatably connected with the outer wall of the second fence pole (202).

4. An adjustable translating over-the-side embarkation ramp as defined in claim 1, wherein: The pedal frame (3) is provided with six, which includes the pedal frame (3) is divided into frame one (301), frame two (302), frame three (303), frame four (304), frame five (305) and frame six (306), the frame one (301) is slidably connected with the frame two (302), the frame two (302) is slidably connected with the frame three (303), the frame three (303) is slidably connected with the frame four (304), the frame four (304) is slidably connected with the frame five (305), and the frame five (305) is slidably connected with the frame six (306).

5. An adjustable translationally-extendable embarkation ladder according to claim 4, characterized in that: The inner side of the frame one (301) is provided with a hydraulic cylinder (307) and a first connecting frame (308), the inner wall of the frame two (302), the frame three (303), the frame four (304) and the frame five (305) is provided with a pulley frame (309) away from one end of the frame one (301), the output end of the hydraulic cylinder (307) is rotatably connected with the pulley frame (309) on the frame two (302), the outer wall of the pulley frame (309) is provided with a second connecting frame (310) close to one side of the frame one (301), and the inner wall of the frame two (302), the frame three (303), the frame four (304), the frame five (305) and the frame six (306) is provided with a third connecting frame (311) close to one end of the frame one (301).

6. An adjustable translationally-extendable embarkation ladder according to claim 5, characterized in that: The translation telescopic ladder assembly (1) further comprises four groups of steel wire ropes, which are divided into steel wire rope one, steel wire rope two, steel wire rope three and steel wire rope four; one end of the steel wire rope one is fixedly connected with the first connecting frame (308), the other end of the steel wire rope one is fixedly connected with the third connecting frame (311) on the frame three (303), and the steel wire rope one passes through the pulley frame (309) on the frame two (302); both ends of the steel wire rope two are fixedly connected with the second connecting frame (310) on the frame two (302) and the third connecting frame (311) on the frame four (304) respectively, and the steel wire rope two passes through the pulley frame (309) on the frame three (303); both ends of the steel wire rope three are fixedly connected with the second connecting frame (310) on the frame three (303) and the third connecting frame (311) on the frame five (305) respectively, and the steel wire rope three passes through the pulley frame (309) on the frame four (304); both ends of the steel wire rope four are fixedly connected with the second connecting frame (310) on the frame four (304) and the third connecting frame (311) on the frame six (306) respectively, and the steel wire rope four passes through the pulley frame (309) on the frame five (305).

7. An adjustable translationally-extendable embarkation ladder according to claim 6, characterized in that: The inner side of the pulley frame (309) is provided with two rotationally connected pulleys (312), and the distance between the pulleys (312) on the inner sides of two adjacent pulley frames (309) is different.

8. An adjustable translating over-the-side embarkation ramp as defined in claim 4, characterized by: The frame one (301), the frame two (302), the frame three (303), the frame four (304), the frame five (305) and the frame six (306) are sequentially distributed from top to bottom.

9. An adjustable translating over-the-side embarkation ramp as defined in claim 4, wherein: The outer wall of the frame one (301), the frame two (302), the frame three (303), the frame four (304) and the frame five (305) is provided with a rotationally connected first roller (313) close to one end of the frame six (306), and the inner wall of the frame two (302), the frame three (303), the frame four (304) and the frame five (305) and the frame six (306) is provided with a rotationally connected second roller (314) close to one end of the frame one (301).

Citation Information

Patent Citations

  • A telescopic ladder for ships

    CN118220420B