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    • 7. 发明申请
    • OVER-CENTER TOWING LOCKING MECHANISM FOR A WHEEL LIFT
    • 用于车轮提升的超中心锁定机构
    • WO1997017226A1
    • 1997-05-15
    • PCT/US1996017873
    • 1996-11-07
    • JERR-DAN CORPORATIONYOUNG, Charles, E.WATSON, Scott, A.
    • JERR-DAN CORPORATION
    • B60P03/12
    • B60P3/125
    • The present invention relates to a wheel grid assembly (25) and vehicle towing apparatus. The wheel grid assembly (25) includes a wheel boom (26) and a pair of lift arms (31A, 31B). Each lift arm (31A, 31B) consists of an extension arm segment (32) transversely fixed to the wheel boom (26), and an engaging arm segment (33) having a pivot point designed for pivotal mounting near the end of the extension arm segment (32), remote from the wheel boom (26). The engaging arm segment (33) is made up of an actuating arm segment (35) and a gripping arm segment (34) extending in different directions from the pivot point. A pair of linear actuators (41) are pivotally attached to the wheel boom (26), with each having a fixed arm segment (36) and movable arm segment (37). The fixed arm segment (36) of each linear actuator is relatively transversely attached to the wheel boom (26) and the movable arm segment (37) of each is pivotally attached to an over-center locking mechanism (40).
    • 本发明涉及一种车轮网格组件(25)和车辆牵引装置。 车轮网格组件(25)包括轮臂(26)和一对提升臂(31A,31B)。 每个提升臂(31A,31B)由横向固定到轮臂(26)的延伸臂段(32)和一个具有枢转点的接合臂段(33)组成,该枢轴点设计用于在延伸臂的端部附近枢转安装 (32),远离车轮吊杆(26)。 接合臂段(33)由致动臂段(35)和从枢轴点沿不同方向延伸的夹臂段(34)构成。 一对线性致动器(41)可枢转地附接到轮辋(26),每个具有固定臂段(36)和可动臂段(37)。 每个线性致动器的固定臂部分(36)相对横向地附接到轮臂(26),并且每个线性致动器的可动臂段(37)可枢转地附接到过中心的锁定机构(40)。
    • 8. 发明申请
    • LIGHT WEIGHT/RUST RESISTANT TOW TRUCK BODY
    • 轻重量/抗重载拖车车身
    • WO1997017224A1
    • 1997-05-15
    • PCT/US1996017257
    • 1996-11-08
    • JERR-DAN CORPORATIONYOUNG, Charles, E.BARTEL, James, J.
    • JERR-DAN CORPORATION
    • B60P03/12
    • B60P3/125
    • A tow truck (20, 22) having a body assembly including a left body structural unit (24) [a left body structural unit (24)] and a right body structural unit (26), each unit having a plurality of exterior panels (30) attached thereto. The structural unit is preferably formed from flanged (44) aluminum panels that are attached by adhesive (46). The improved underlift assembly (23) comprises a support arm (220) coupled to the vehicle, a base (222) coupled to an end of the support arm, a boom base (226) pivotally attached to the base at a first pivot pint (228) and a boom (236) pivotally attached to the boom base at a second pivot point (238). A first actuator (240) is coupled to the support arm and to the pivoting boom base. A second actuator is coupled to the boom base and the pivoting boom. The improved lifting boom (284) includes two lifting hydraulic actuators (290, 292) that are coupled to the lifting boom on each side and angled inward to provide improved stability.
    • 具有主体组件的牵引车(20,22),其包括左身体结构单元(24)[左身体结构单元(24)]和右身体结构单元(26),每个单元具有多个外部面板 30)。 结构单元优选地由通过粘合剂(46)附接的带凸缘(44)铝板形成。 改进的隆起组件(23)包括联接到车辆的支撑臂(220),联接到支撑臂的端部的基座(222),以第一枢轴点(...)枢转地附接到基座的动臂基座(226) 228)和悬臂(236),其在第二枢转点(238)处枢转地附接到所述起重臂基座。 第一致动器(240)联接到支撑臂和枢转起重臂基座。 第二致动器联接到动臂基座和枢转起重臂。 改进的起重臂(284)包括两个提升液压致动器(290,292),每个提升液压致动器联接到每侧的提升吊臂并向内倾斜以提供改进的稳定性。