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Ratchet wrench and display rack thereofRelated Patent Categories: Supports: Racks, Special Article, Article Includes Elongated Portion, ToolRatchet wrench and display rack thereof description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070102382, Ratchet wrench and display rack thereof. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATION [0001] This application is a Continuation-In-Part Application of Ser. No. 10/975,485, filed 29 Oct. 2004, and entitled "TOOL DISPLAY RACK HAVING HOLDING AND ROTATION TEST FUNCTIONS", now pending. BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates to a ratchet wrench and a display rack thereof, and more particularly to a ratchet wrench and a display rack thereof, wherein the display rack has holding and rotation test functions without detaching the ratchet wrench from the display rack. [0004] 2. Description of Related Art [0005] A conventional tool display rack in accordance with the prior art shown in FIGS. 10 and 11 comprises a main body (40) formed with a circular hole (41) for mounting a square drive stud (310) of a drive head (31) of a ratchet wrench (30), and a pressing member (42) secured on the main body (40) and urged on a neck portion (32). However, the ratchet wrench (30) cannot not be rotated relative to the main body (40) of the tool display rack to test the rotation angle of the drive stud (310) of the ratchet wrench (30). [0006] Another conventional tool display rack in accordance with the prior art shown in FIGS. 12-13 comprises a main body (50) formed with a circular hole (51), and a locking member (60) extending through a drive head (31A) of a ratchet wrench (30A) and having a first end formed with a hexagonal positioning portion (62) secured in the drive head (31A) of the ratchet wrench (30A) and a second end formed with a locking hook (61) extending through the circular hole (51) and locked on a bottom of the main body (50) to secure the drive head 31A) of the ratchet wrench (30A) on the main body (50). In such a manner, the hexagonal positioning portion (62) of the locking member (60) is secured in the drive head (31A) of the ratchet wrench (30A), and the ratchet wrench (30A) is rotated relative to the main body (50) of the tool display rack to test the rotation angle of a ratchet wheel (32A) of the drive head (31A) of the ratchet wrench (30A). However, the tool display rack needs to provide a locking member (60), so that the tool display rack has a complicated construction, thereby increasing costs of fabrication. In addition, the locking hook (61) of the locking member (50) cannot hold the main body (50) closely, so that the locking member (60) is easily rotated with the drive head (31A) of the ratchet wrench (30A), thereby decreasing the testing precision. [0007] A convention holding unit (U.S. Pat. No. 4,631,783 by Hayashi) comprises an article holding portion and a mounting portion, and is applied for holding a chuck handle for an electric drill. The holding unit is provided with a plurality of resilient thin plates or segments which are arranged in the radial directions with slits being formed between the adjacent thin plates. Consequently, the plates disclosed by Hayashi are radially deformed relative to an insert direction of the object and restitute to the original condition only detaching the inserted object. The thin plates only provided to prevent the inserted object from detaching from the holding unit such that the inserted object can be freely rotated relative to the article holding portion. [0008] The present invention has arisen to mitigate and/or obviate the disadvantages of the conventional tool display racks and holding unit. SUMMARY OF THE INVENTION [0009] The main objective of the present invention is to provide an improved ratchet wrench display rack that has holding and rotation test functions without detaching the ratchet wrench from the display rack. [0010] To achieve the objective, the ratchet wrench display rack in accordance with the present invention comprises a main body, a mounting portion mounted on the main body to allow passage of the drive stud of the ratchet wrench and having a periphery wall provided with a plurality of locking portions urged on corners of the drive stud, and a holder mounted on the main body and urged on the neck portion. Thus, the locking portions are urged on the corners of the drive stud of the ratchet wrench to retain the drive stud in the retaining portions closely, so that the drive stud of the ratchet wrench is secured on the mounting portion of the ratchet wrench display rack rigidly and stably. [0011] Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0012] FIG. 1 is a perspective view of a ratchet wrench and a display rack thereof in accordance with the present invention; [0013] FIG. 2 is an exploded perspective view of the ratchet wrench and the display rack thereof as shown in FIG. 1; [0014] FIG. 3 is a bottom perspective view of the ratchet wrench and the display rack thereof as shown in FIG. 1; [0015] FIG. 4 is a top plan view of the ratchet wrench and the display rack thereof as shown in FIG. 1; [0016] FIG. 5 is a top plan operational view of the ratchet wrench and the display rack thereof as shown in FIG. 1; [0017] FIG. 6 is a second top plan operational view of the ratchet wrench and the display rack thereof as shown in FIG. 1; [0018] FIG. 7 is a top plan view of a ratchet wrench and a display rack thereof in accordance with another embodiment of the present invention; [0019] FIG. 8 is an exploded perspective view of a ratchet wrench and a display rack thereof in accordance with another embodiment of the present invention; [0020] FIG. 9 is an exploded perspective view of a ratchet wrench and a display rack thereof in accordance with another embodiment of the present invention; Continue reading about Ratchet wrench and display rack thereof... Full patent description for Ratchet wrench and display rack thereof Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Ratchet wrench and display rack thereof patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Ratchet wrench and display rack thereof or other areas of interest. ### Previous Patent Application: Adjustable strap mounting system Next Patent Application: Tool box fastening device for fastening a tool box set to a vertical wall Industry Class: Supports: racks ### FreshPatents.com Support Thank you for viewing the Ratchet wrench and display rack thereof patent info. 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