# US 10,500,934 B1 · Locking device and system for truck cover

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- Number: US 10,500,934 B1
- Document ID: US10500934B1
- Status: Granted
- Kind: B1
- Application number: 16/563,227
- Filed: 2019-09-06
- Granted: 2019-12-10
- Earliest claimed: 2019-07-11
- Assignees: Ningbo Diroan Auto Accessories Co., Ltd.
- Applicants: Ningbo Diroan Auto Accessories Co., Ltd.
- Inventors: Rongjie Weng; Fangliang Weng
- Web page: https://patentgrep.com/patent/US10500934B1

## CPC

- B60J 7/198: {for locking tonneau covers such as covers for roof storage compartments or for pick-up truck beds}
- B60J 7/1607: {for covering load areas, e.g. rigid panels for pick-up truck beds}
- B60J 7/1856: {for interlocking the roof linkage system when deployed}
- B60J 7/1858: {for locking soft tops to a surrounding rigid roof structure, e.g. to a closed vehicle body (B60J7/1291 takes precedence)}
- B60P 7/02: Covering of load
- B60J: WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES (fastening, suspending, closing, or opening of such devices E05)
- B60P: VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS (vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances A61G3/00)

## Abstract

The present disclosure discloses a locking structure and a pickup truck compartment cover including the locking structure. The locking structure includes two fixing side frames and a locking frame. A locking slot is disposed on an inner side wall of the fixing side frame. Locking cartridge assemblies corresponding to the fixing side frames are respectively disposed at both ends of the locking frame, and the locking frame is further provided with a sliding cartridge assembly. The locking cartridge assembly comprises a locking cartridge, a locking member, and at least one locking spring. The sliding cartridge assembly comprises a control cartridge, a sliding handle, and an inhaul cable member, When the locking frame is mounted at the end portions of the two fixing side frames, the sliding handle is configured to drive the inhaul cable member to make a lock tongue break away from a locking slot.

## Claims

### Claim 1

A locking structure comprising two fixing side frames and a locking frame, wherein:
a locking slot is disposed on an inner side wall of the fixing side frame;
the locking frame is movably mounted at end portions of the two fixing side frames, locking cartridge assemblies corresponding to the fixing side frames are respectively disposed at both ends of the locking frame, and the locking frame is further provided, between the locking cartridge assemblies, with a sliding cartridge assembly controlling the locking cartridge assemblies to synchronously open;
the locking cartridge assembly comprises a locking cartridge, a locking member, and at least one locking spring, wherein the locking member is slidably mounted in the locking cartridge along a longitudinal direction of the locking frame, the locking member comprises a lock tongue inserted into the locking slot, one end of the at least one locking spring abuts against the locking cartridge, and the other end abuts against the locking member;
the sliding cartridge assembly comprises a control cartridge, a sliding handle, and an inhaul cable member, wherein the sliding handle is slidably mounted in the control cartridge along a direction perpendicular to the longitudinal direction of the locking frame, two ends of the inhaul cable member are respectively connected to the locking members of the locking cartridge assemblies, and the inhaul cable member abuts against the sliding handle; and
when the locking frame is mounted at the end portions of the two fixing side frames, the at least one locking spring is configured to push the lock tongue to be clamped into the locking slot, and the sliding handle is configured to drive the inhaul cable member to make the lock tongue break away from the locking slot;
the control cartridge comprises a bottom cartridge and a cartridge cover;
the control cartridge comprises a control sliding slot for a control handle to slide, the control sliding slot is disposed on a bottom surface of the bottom cartridge;
the inhaul cable member runs through a left side surface and a right side surface of the control cartridge and abuts against a side on which the control handle faces the locking frame;
the control handle comprises a handheld slot on a side against from the control sliding slot; and
the cartridge cover comprises a handle opening corresponding to the handheld slot.

### Claim 2 (depends on 1)

The locking structure according to claim 1, wherein:
the locking cartridge is provided with a locking sliding slot and a locking cover plate covering the locking sliding slot;
the locking member further comprises a locking sliding plate matching the locking sliding slot; and
the locking cartridge further comprises a first opening for the lock tongue to extend and a second opening for ease of connection between the inhaul cable member and the locking member.

### Claim 3 (depends on 2)

The locking structure according to claim 2, wherein:
the lock tongue is connected to a middle portion of the locking sliding plate;
the locking sliding plate comprises two spring slots that are symmetrically disposed at a side surface of the locking sliding plate opposite from the lock tongue; and
a number of the at least one locking spring in each of the locking cartridge assemblies is two and the at least one locking spring is respectively mounted in a corresponding spring slot.

### Claim 4 (depends on 3)

The locking structure according to claim 3, wherein:
the locking member further comprises a pulling rod extending out of the locking cartridge from the second opening; and
the pulling rod comprises a mounting hole for mounting the inhaul cable member.

### Claim 5 (depends on 3)

The locking structure according to claim 3, wherein:
a clamp column is disposed at either end of the inhaul cable member; and
the locking member comprises a clamp hole for inserting the clamp column and a clamp slot for the inhaul cable member to extend out of the clamp hole.

### Claim 6 (depends on 2)

The locking structure according to claim 2, wherein:
the locking member comprises a mounting slot on a side surface facing a bottom surface of the locking sliding slot;
the locking cartridge comprises an abutment plate disposed on the bottom surface of the locking sliding slot, the abutment plate configured to insert into the mounting slot;
the locking spring is mounted in the mounting slot; and
one end of the locking spring is configured to abut against the abutment plate and another end of the locking spring is configured to abut against an inner side wall close to lock tongue in the mounting slot.

### Claim 7 (depends on 1)

The locking structure according to claim 1, wherein:
the locking frame is mounted with a guide member on one side of the control cartridge; and
the guide member comprises a guide hole for the inhaul cable member to run through.

### Claim 8 (depends on 1)

The locking structure according to claim 1, wherein:
each of the two fixing side frames further comprises a positioning seat;
the positioning seat comprises a positioning clamp slot;
a positioning protrusion matching the positioning clamp slot is disposed at either end of the locking frame;
a positioning end surface is further disposed at either end of the locking frame; and
when the positioning protrusion is clamped into a corresponding positioning clamp slot, the positioning end surface is attached to an end surface of the fixing side frame.

### Claim 9

A pickup truck compartment cover, comprising:
a fixing frame and a soft cover;
a locking structure comprising two fixing side frames and a locking frame, wherein:
a locking slot is disposed on an inner side wall of the fixing side frame,
the locking frame is movably mounted at end portions of the two fixing side frames, locking cartridge assemblies corresponding to the fixing side frames are respectively disposed at both ends of the locking frame, and the locking frame is further provided, between the locking cartridge assemblies, with a sliding cartridge assembly controlling the locking cartridge assemblies to synchronously open,
the locking cartridge assembly comprises a locking cartridge, a locking member, and at least one locking spring, wherein the locking member is slidably mounted in the locking cartridge along a longitudinal direction of the locking frame, the locking member comprises a lock tongue inserted into the locking slot, one end of the at least one locking spring abuts against the locking cartridge, and the other end abuts against the locking member,
the sliding cartridge assembly comprises a control cartridge, a sliding handle, and an inhaul cable member, wherein the sliding handle is slidably mounted in the control cartridge along a direction perpendicular to the longitudinal direction of the locking frame, two ends of the inhaul cable member are respectively connected to the locking members of the locking cartridge assemblies, and the inhaul cable member abuts against the sliding handle,
when the locking frame is mounted at the end portions of the two fixing side frames, the at least one locking spring is configured to push the lock tongue to be clamped into the locking slot, and the sliding handle is configured to drive the inhaul cable member to make the lock tongue break away from the locking slot,
the fixing frame and the fixing side frames are all mounted in a compartment of a pickup truck, one end of the soft cover is mounted on the fixing frame and another end of the soft cover is mounted on the locking frame, and two sides of the soft cover respectively detachably match the fixing side frames,
the control cartridge comprises a bottom cartridge and a cartridge cover,
the control cartridge comprises a control sliding slot for a control handle to slide, the control sliding slot is disposed on a bottom surface of the bottom cartridge,
the inhaul cable member runs through a left side surface and a right side surface of the control cartridge and abuts against a side on which the control handle faces the locking frame,
the control handle comprises a handheld slot on a side against from the control sliding slot, and
the cartridge cover comprises a handle opening corresponding to the handheld slot.

### Claim 10 (depends on 9)

The pickup truck compartment cover according to claim 9, wherein:
the locking cartridge is provided with a locking sliding slot and a locking cover plate covering the locking sliding slot;
the locking member further comprises a locking sliding plate matching the locking sliding slot; and
the locking cartridge further comprises a first opening for the lock tongue to extend and a second opening for ease of connection between the inhaul cable member and the locking member.

### Claim 11 (depends on 10)

The pickup truck compartment cover according to claim 10, wherein:
the lock tongue is connected to a middle portion of the locking sliding plate;
the locking sliding plate comprises two spring slots that are symmetrically disposed at a side surface of the locking sliding plate opposite from the lock tongue; and
a number of the at least one locking spring in each of the locking cartridge assemblies is two and the at least one locking spring is respectively mounted in a corresponding spring slot.

### Claim 12 (depends on 11)

The pickup truck compartment cover according to claim 11, wherein:
the locking member further comprises a pulling rod extending out of the locking cartridge from the second opening; and
the pulling rod comprises a mounting hole for mounting the inhaul cable member.

### Claim 13 (depends on 11)

The pickup truck compartment cover according to claim 11, wherein:
a clamp column is disposed at either end of the inhaul cable member; and
the locking member comprises a clamp hole for inserting the clamp column and a clamp slot for the inhaul cable member to extend out of the clamp hole.

### Claim 14 (depends on 10)

The pickup truck compartment cover according to claim 10, wherein:
the locking member comprises a mounting slot on a side surface facing a bottom surface of the locking sliding slot;
the locking cartridge comprises an abutment plate disposed on the bottom surface of the locking sliding slot, the abutment plate configured to insert into the mounting slot;
the locking spring is mounted in the mounting slot; and
one end of the locking spring is configured to abut against the abutment plate and another end of the locking spring is configured to abut against an inner side wall close to lock tongue in the mounting slot.

### Claim 15 (depends on 9)

The pickup truck compartment cover according to claim 9, wherein:
the locking frame is mounted with a guide member on one side of the control cartridge; and
the guide member comprises a guide hole for the inhaul cable member to run through.

### Claim 16 (depends on 9)

The pickup truck compartment cover according to claim 9, wherein:
each of the two fixing side frames further comprises a positioning seat;
the positioning seat comprises a positioning clamp slot;
a positioning protrusion matching the positioning clamp slot is disposed at either end of the locking frame;
a positioning end surface is further disposed at either end of the locking frame; and
when the positioning protrusion is clamped into a corresponding positioning clamp slot, the positioning end surface is attached to an end surface of the fixing side frame.