阅读说明：本技术 可拆卸手柄 (Detachable handle ) 是由 赞恩·米尔斯 于 2019-07-31 设计创作，主要内容包括：一种用于炊具的可拆卸手柄,包括用于容纳连接到炊具的挂钩的嘴部。挂钩通过使用集成在手柄中的杠杆接合的锁定块固定在手柄上。锁定块抵靠在弹簧上工作,以实现平稳操作并使锁定块脱离。扭力弹簧用于避免挂钩插入时的意外移位。(A detachable handle for cookware includes a mouth for receiving a hook attached to the cookware. The hook is secured to the handle by a locking block that engages using a lever integrated into the handle. The locking block works against the spring to achieve smooth operation and disengage the locking block. The torsion spring is used to avoid accidental displacement of the hook when inserted.)

1. A detachable handle for cookware comprising: an elongated handle having a mouth for receiving a hook attached to cookware; a locking block for engaging the hook; a lever handle for pushing the locking block into the mouth to engage the hook; a spring located in the mouth and acting against the locking block to disengage it from the hook, wherein the spring is a torsion spring.

2. The handle of claim 1, wherein the torsion spring is a double torsion spring.

3. The handle of claim 2, wherein a connecting rod of a torsion spring acts against the locking block.

4. The handle of claim 2, wherein a leg of the torsion spring acts against the locking block.

Technical Field

The present invention relates to a detachable handle for use with a cooking appliance, such as a frying pan.

Background

Removable handles for cookware are desirable because they allow cookware to be placed in the oven without the handle taking up space, which may prevent the oven from closing. Advantageously, such handles are not exposed to the high oven temperatures for extended periods of time and therefore can be made from a wide variety of materials. The user also does not have to operate the handle at oven temperatures.

A number of mechanisms for making the handle detachable are known and typically involve a small lever that includes an over-center cam mechanism. Preferably, the mechanism includes a spring to help reduce the number of moving parts and provide a resilient element that does not wear over time. The known embodiment comprises a locking block for engagement with a hook connected to the cookware, below which a compression spring is located. To accommodate the spring, the hook includes a slot therein. While this arrangement is effective, the spring is easily knocked out of position when the hook is inserted into the handle, which often renders the handle inoperable.

It is an object of the present invention to provide a detachable handle to alleviate the above problems, or at least to provide the public with a useful alternative.

Disclosure of Invention

In a first aspect, the present invention provides a detachable handle for cookware, the handle comprising an elongate handle having a mouth for receiving a hook attached to the cookware, a locking block for engaging the hook, a lever handle for pushing the locking block into the mouth to engage the hook, and a torsion spring located in the mouth and acting against the locking block to disengage it from the hook.

Preferably, the torsion spring is a double torsion spring.

The connecting rod of the torsion spring may act against the locking block or the legs of the torsion spring may act against the locking block.

It should be noted that any of the aspects described above may include any feature of any of the other aspects described above, and may suitably include any feature of any of the embodiments described below.

Drawings

Preferred features, embodiments and variants of the invention will appear from the following detailed description, which provides sufficient information for a person skilled in the art to carry out the invention. This detailed description is not to be taken as limiting the scope of the foregoing summary in any way. Detailed description reference will be made to the following several figures.

FIG. 1A shows a perspective view of a handle of the present invention ready for attachment to cookware; FIG. 1B shows the handle attached to the cookware.

Fig. 2A and 2B show perspective views of the handle in open and closed positions.

Figure 3 shows a hanger mounted on the cookware for engaging the handle.

Fig. 4 shows an exploded view of the handle.

FIGS. 5A and 5B show the moving parts of the handle in isolation from a front perspective view and a rear perspective view, respectively; figure 5C shows details of the locking block.

Fig. 6 shows a cross-sectional view of the handle in an open position ready for engagement with a hook.

Figure 7 shows a cross-sectional view of the handle in the open position with the hook inserted.

FIG. 8 shows a cross-sectional view of the handle engaged with the hanger in the closed position.

FIG. 9 shows an alternative embodiment of the hook, locking block and torsion spring.

Drawing assembly

The figures include the following integers.

10 cooker

20 hook

22 groove

24 lip

26 recess

28 screw hole

40 handle

42 main body

43 recess

44 mouth part

46 pivot hole

50 lever

52 circular protrusion

54 pivot hole

60 pivot pin

70 locking block

72 spring retainer

74 spring stop

80 (double) torsion spring

82 connecting rod

84 supporting leg

120 substitute hook

124 instead of the lip

170 substitute locking block

180 substitute spring

Detailed Description

The following detailed description of the invention refers to the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings and the following description to refer to the same or like parts. The dimensions of some of the elements shown in the figures may have been modified and/or exaggerated for clarity or illustrative purposes.

The present invention provides a detachable handle for cookware that is strong and easy to use. The handle includes an aperture for receiving a hook attached to the cookware. The hook is secured with a locking block that engages using a lever integrated into the handle. The locking block works against the spring to achieve smooth operation and disengage the locking block. The torsion spring is used for providing clearance for the hook.

Fig. 1A and 1B show the handle 40 of the present invention in context with a cookware 10. In fig. 1A, the handle 40 is ready to be connected to the cookware 10 by the hook 20, and in fig. 1B, the handle has been connected. Fig. 2A and 2B show respective views of the handle in isolation from different angles at which the mouth 44 of the handle can be seen. To attach the handle 40 to the cookware 10, the handle 40 is placed in the disengaged or open position as shown in fig. 1A and 2A by raising the lever 50, which pivots on the pin 60. The hook 20 of the cookware 10 is then placed in the mouth 44 of the handle and the lever 50 is then moved to the closed or engaged condition as shown in fig. 1B and 2B to secure the handle to the cookware.

The hanger 20, shown separately in FIG. 3, includes a slot 22, the slot 22 working in conjunction with the lip 24 to engage the lock block 70 to retain the handle on the hanger. The lip 24 includes a notch 26 to provide clearance for a spring member (discussed below). The hanger is attached to the cookware using screw holes 28.

Fig. 4 shows an exploded view of the handle 40, in which the body 42, the lever 50, the pivot pin 60, the locking block 70 and the (double) torsion spring 80 can be seen. The lever 50 is retained in the recess 43 of the body 42 by a pivot pin 60, the pivot pin 60 passing through the pivot hole 46 in the body 42 and a corresponding pivot hole 54 in the lever 50. The lever 50 includes a rounded protrusion (lobe)52, and when the lever is in the closed or engaged position of fig. 4, the rounded protrusion 52 pushes down on the locking block 70. The locking block 70 acts against a connecting rod 82 of a double torsion spring 80, which in turn acts against the bottom of the recess 43 through legs 84.

Fig. 5A and 5B show the moving parts of the handle separately in front and rear perspective views, respectively, as they would be in an open or disengaged position, and fig. 5C shows the underside of the locking block 70. The torsion spring 80 is retained in the locking block 70 by the spring retainer 72 and the spring stop 74.

The operation of the handle 40 can be further understood by reference to fig. 6-8, wherein the handle body 42 has been cut away to show the moving parts. In fig. 6, lever 50 is in the open position, and when locking block 70 is pushed upward and moved apart by spring 80, handle mouth 44 is emptied to accommodate hook 20. In fig. 7, the hook 20 has been pushed into the mouth of the handle 42 while the lever 50 is still in the open position. The body of the hook intersects the handle to define maximum insertion with the hook's slot 22 below the lock block 70. In fig. 8, the lever 50 has been moved to the closed position, in so doing the circular projection 52 of the lever pushes the locking block 70 down into engagement with the slot 22 of the catch, thereby retaining the catch in the handle. Retention is further aided by the lip 24 located behind the lock block 70. It can be appreciated in fig. 6-8 how the torsion spring 80 acts on the lock block 70 while still leaving a gap to accommodate the hook, thereby preventing any accidental displacement of the spring by the hook.

To remove the handle 40 from the hook 20, the lever 50 is lifted causing the spring 80 to push the lock block 70 upward out of engagement with the hook (see again FIG. 7), thereby pulling the hook 20 out of the handle. (refer again to fig. 6).

Fig. 9 shows another hanger 120 having a shortened lip 122 to provide clearance for the spring 180 at either end, without a central recess. Spring 180 is identical to spring 80, but reversed. The locking block 170 is adapted at either end to accommodate the legs of the spring.

The reader will now understand the present invention which provides a removable handle for cookware with a robust and easy to use mechanism.

Further advantages and modifications may well be made to the present invention without departing from its scope. While this invention has been shown and described in what is conceived to be the most practical and preferred embodiment, it is recognized that departures may be made therefrom within the scope of the invention, which is not to be limited to the details disclosed herein but is to be accorded the full scope of the claims so as to embrace any and all equivalent devices and apparatus. Any discussion of the prior art throughout the specification should in no way be considered as an admission that such prior art is widely known or forms part of common general knowledge in the field.

In the specification and claims, if any, the word "comprise", and its derivatives, include each of the stated integers but do not preclude the inclusion of one or more other integers.