As shown in FIGS. 1 and 2, the rack 10 is preferably provided with a safety pin 16 passing through the free end of the rack base 12 and the cover 14, and the safety pin 16 is preferably formed with enlarged ends, with one of the ends having an elastic structure.

When using the rack 10 of the present invention, the hand tools are disposed or inserted in the tool slots 50. The acute angle between the support member 24 and the rack base 12 can ensure a hand tool W is retained firmly in the corresponding tool slot 50 under the aid of the stabilizing member 22, especially when the rack 10 is carried or hung upright. The restrictor 32 at the free end of the support member 24 may prevent the hand tool W from dropping out of the tool slot 50.

The pivotal end of the cover 14 is pivotally connected to the rack base 12 so that the cover 14 may be rotated between an open position and a closed position. When user wishes access to the hand tools W kept in the tool slot 50, he/she can first apply force to separate the protrusion from the concave 42 so as to open the cover 14, and then push the protrusion 42 back into the concave to close and lock the cover 14.

The rack 10 of the present invention has many advantages. In one aspect, the rack 10 exposes the hand tools therein to the customers so as to allow the customers to observe the appearance, specification and the like of the hand tools, and allow them to touch the tools such that the potential buyers may make sure of the details of the desired hand tool products beforehand. To obtain the hand tool W inserted in the rack 10, the user is supposed to snip off the safety pin 16; otherwise, the cover 14 cannot be opened. Therefore, the safety pin 16 can prevent persons from taking away the hand tools in the rack 10 without permission.

When using the rack 10 of the present invention, the hand tools are disposed or inserted in the tool slots 50. The acute angle between the support member 24 and the rack base 12 can ensure a hand tool W is retained firmly in the corresponding tool slot 50 under the aid of the stabilizing member 22, especially when the rack 10 is carried or hung upright. The restrictor 32 at the free end of the support member 24 may prevent the hand tool W from dropping out of the tool slot 50.

The pivotal end of the cover 14 is pivotally connected to the rack base 12 so that the cover 14 may be rotated between an open position and a closed position. When user wishes access to the hand tool W kept in the tool slot 50, he/she can first apply force to separate the protrusion from the concave 42 so as to open the cover 14, and then push the protrusion 42 back into the concave to close and lock the cover 14.

The rack 10 of the present invention has many advantages. In one aspect, the rack 10 exposes the hand tools therein to the customers so as to allow the customers to observe the appearance, specification and the like of the hand tools, and allow them to touch the tools such that the potential buyers may make sure of the details of the desired hand tool products beforehand. To obtain the hand tool W inserted in the rack 10, the user is supposed to snip off the safety pin 16; otherwise, the cover 14 cannot be opened. Therefore, the safety pin 16 can prevent persons from taking away the hand tools in the rack 10 without permission.

The handle 18 is designed to facilitate the rack 10 being hung on the wall or being carried by the customer, or to attract the customers to purchase the whole hand tool rack package.

The present invention relates to a  hand tool having an adjustable head with a joint lock mechanism, especially a hand tool with a head of adjustable angles and easier, more secured positioning. The present application claims priority based on ROC (Taiwan) Patent Application No. 093213843.

Conventional hand tools with an adjustable head, such as those disclosed in U.S. Pat. No. 6,216,567, comprise a head and a handle. As shown in FIGS. 1 and 2, the rack 10 is preferably provided with a safety pin 16 passing through the free end of the rack base 12 and the cover 14, and the safety pin 16 is preferably formed with enlarged ends, with one of the ends having an elastic structure.

A hand tool having an adjustable head with a joint lock mechanism. The joint lock mechanism comprises a first engaging device, a push button, a second engaging device, a first elastic device and a second elastic device. The push button is formed with a through hole and a first engaging portion. The second engaging device passes through the through hole and is disposed with a second engaging portion. When the first engaging portion engages the second engaging portion, the front end of the first engaging portion abuts the front end of the second engaging portion such that the second engaging device engages the first engaging device and is prevented from moving.

The cover 14 has a pivotal end and a free end, wherein the pivotal end is pivotally connected to the rack base 12 and the free end is engaged with the rack base 12 by a releasable device. The releasable device is preferably in the form of a protrusion 42 at the free end or two protrusions 42 at both sides of the free end of the cover 14. A corresponding concave or a pair of concaves for accommodating the protrusion(s) 42 is/are disposed in the rack base 12 so that the protrusion(s) 42 can be tightly engaged with the corresponding concave(s) through a force closing the cover 14.

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