Vehicle towing device专利检索-电缆拖链电缆，导体和接线专利检索查询-专利查询网

Vehicle towing device

阅读：794发布：2021-09-10

专利汇可以提供Vehicle towing device专利检索，专利查询，专利分析的服务。并且A vehicle towing device of the cradle type has a pair of cradle arms which are connected to a tow truck through a support member which may comprise a plate. One of the ends of each of the arms is attached to the support member for pivotal motion about a substantially vertical axis. The support member is attached to the lower structure of a tow truck by means of a ball and socket joint which permits limited two degree motion. The ends of the cradle arms opposite to those attached to the support plate have trays attached thereto for retaining and supporting the wheels of the vehicle to be towed. The cradle arms are interconnected at points therealong intermediate the opposite ends thereof by means of an adjustable bridging cross member. Means are provided for adjusting the lengths of the arms and that of the bridging interconnecting member to adapt the device in the field for utilization with various size vehicles. The bridging interconnecting member has a bracket unit attached thereto, through which the tow chain or cable fits. In utilizing the device, one end of each of two tow cables or chains is secured to the axle or the frame of the vehicle to be towed, each of these chains or cables being fitted through the aforementioned bracket and thence attached to the tow truck lift mechanism. When the lift mechanism is operated, the vehicle is first drawn onto the wheel support trays where the wheels are appropriately retained. Further lifting action of the lift mechanism lifts the cradle arms off the ground carrying along with it the front wheels of the vehicle until they reach an appropriate towing position.，下面是Vehicle towing device专利的具体信息内容。

权利要求

1. A device for connecting a vehicle to be towed to the lift mechanism of a tow truck comprising: a pair of cradle arms; support plate means for supporting said cradle arms at one end thereof for pivotal motion about a substantially vertical axis relative to the tow truck; means for attaching said support plate means to said tow truck for limited two degree freedom; wheel tray members for receiving the wheels of a vehicle to be towed attached to the ends of each of said cradle arms opposite to said one ends thereof; cross member means interconnecting said cradle arms at points therealong intermediate the ends thereof; means for adjusting the length of said interconnecting cross member means and thus the separation between said cradle arms; bracket means mounted on said cross-member means; pull means attached at one end thereof to said vehicle to be towed and extending through said bracket means; said bracket means having lift means under which said pull means runs; the other end of said pull means being attached to said lift mechanism; whereby when said lift mechanism is operated to provide lifting action on said lift means, said pull means draws a wheel of said vehicle onto each of said trays and then lifts said cradle arms upwardly to draw one end of said vehicle into a towing position.

2. The device of claim 1 and further including means for adjusting the longitudinal extent of each of said cradle arms.

3. The device of claim 1 wherein said pull means comprises a pair of chains, said chains each being attached to an opposite side of thE front under-portion of said vehicle.

4. The device of claim 3 and further including retainer fork means placed over said chains where they pass through said bracket means to arrest movement thereof.

5. The device of claim 1 and further including wheel stop means removably retained in said cradle arms adjacent to said trays for arresting movement of said vehicle towards the tow truck.

6. The device of claim 5 wherein said wheel stop means comprises a plate member having an arm portion thereon, said cradle arms having receptacles therein for receiving said plate member arm portions.

7. The device of claim 1 wherein said means for attaching said support plate means to said tow truck comprises a ball and socket joint.

8. The device of claim 2 wherein said means for permitting longitudinal adjustment of said cradle arms comprises telescopic cradle arm sections and means for setting said cradle arms telescopically in any one of a number of relative positions.

9. The device of claim 1 wherein said means for adjusting the length of said cross member means comprises telescopically fitted sections and means for positioning said sections telescopically in any one of a number of predetermined relative positions.

10. The device of claim 1 wherein said cradle arms are attached to said support plate at opposite surfaces thereof and at oppositely positioned points, said arms crossing each other to arrive at these respective points.

11. The device of claim 9 wherein said cross-member means are pivotally connected to said cradle arms.

12. The device of claim 1 wherein said lift means comprises bar members extending across said bracket means.

13. The device of claim 1 wherein said bracket means is attached to said cross arm member.

14. The device of claim 1 wherein said support plate means is attached to said tow truck at a point directly to the rear of the differential thereof.

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Vehicle towing device

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