Electrically operated food processor with a cooking vessel, and vessel with a lid

• US 9,290,307 B2
• Filed: 09/06/2011
• Issued: 03/22/2016
• Est. Priority Date: 09/30/2010
• Status: Active Grant

• Current Assignee: Vorwerk & Company Interholding Gesellschaft Mit Beschrã¤Nkter Haftung (Vorwerk & Company KG)
• Original Assignee: Vorwerk & Company Interholding Gesellschaft Mit Beschrã¤Nkter Haftung (Vorwerk & Company KG)
• Inventors: Arnold, Hans-Peter, Jacobs, Carsten
• Primary Examiner(s): Yu, Mickey
• Assistant Examiner(s): WEINERTH, GIDEON R
• Application Number:
  US13/824,527
• Publication Number:
  US 20130206771A1
• Time in Patent Office: 1,659 Days
• Field of Search: 220/324, 220/756, 220/318, 220/573.1, 292/194, 292/195, 292/198, 241/37.5, 241/282.1, 241/82.2, 241/199.12, 241/100, 241/92, 241/285.1, 994/92, 993/48, 995/10, 995/11, 995/13, 996/31, 996/45, 346/205, 346/314, 346/347, 346/197, 346/296
• US Class Current: 1/1
• CPC Class Codes: A47J 27/004 with integral electrical heating means drinking cups with integral heating means A47J36/2466
• CPC Class Codes: A47J 36/10 Lid-locking devices
• CPC Class Codes: A47J 43/046 with tools driven from the bottom side
• CPC Class Codes: A47J 43/0727 Mixing bowls
• CPC Class Codes: B65D 45/00 Clamping or other pressure-applying devices for securing or retaining closure members screw-threaded or bayonet connections between stoppers or caps and containers B65D39/08, B65D41/04, B65D41/34; expansible stoppers B65D39/12; for pressure vessels in general F16J13/00

Abstract

The invention relates, in the first instance, to an electrically operated food processor (1) with a cooking vessel (6) and a lid (10) for the cooking vessel (6), wherein it is possible to lock the lid (10) in the closed position in relation to the cooking vessel (6), wherein, furthermore, the cooking vessel (6) has a base and a wall (12) extending upwards from the base, wherein the cooking-vessel wall (12) merges into a radially projecting cooking-vessel periphery (13), wherein, furthermore, the lid (10) has a periphery (16) which, in the closed position, coincides with the cooking-vessel periphery (13). The invention also relates to a vessel (6) with a lid (10). In order further to improve a food processor and/or a vessel of the type in question, in particular in respect of the lid-locking means, it is proposed that the locking means is formed from a locking part (17) which is intended for engaging over the lid (10) and, by rotation about an axis (y), can be displaced from a release position into the locking position and vice versa, wherein the locking part (17) is of elongate design in the direction in which the axis (y) extends.

Claims

1. A cooking vessel comprising:

a vessel body;

a lid; and

a locking mechanism;

wherein

the vessel has a base, a wall, and a radially projecting rim, wherein the vessel wall merges into the radially projecting rim;

the lid has a lid edge which overlies the radially projecting rim;

wherein the locking mechanism comprises a locking part which removably secures the lid to the radially projecting rim;

the locking part (17) comprises an elongated member having a wave-like design comprising a cavity (20) that extends over the axial length of the locking part;

an upper edge of the cavity further having an arc like engaging portion (21) and a spherically shaped projecting contact area (23) within the center of the cavity;

wherein the locking part rotates to secure the lid edge to the vessel projecting rim in a positive fit manner.

2. The cooking vessel according to claim 1, wherein the locking part rotates about a geometric axis (y), the geometric axis (y) runs in its extent parallel to a plane (E) that is determined by the lid edge (16) or at an acute angle of 0.5°

to 30°

with respect to said plane, the plane being transverse with respect to a vertically aligned vessel axis.

3. The cooking vessel according to claim 1, wherein a geometric axis (y) of the locking part is situated outside the vessel wall (12).

4. The cooking vessel according to claim 1, wherein a geometric axis (y) of the locking part passes through the vessel wall (12).

5. The cooking vessel according to claim 1, wherein a geometric axis (y) of the locking part extends beneath the vessel rim (13).

6. The cooking vessel according to claim 1, wherein the locking part (17) is rotatably drivable from an end portion from a release position into a locking position, and vice versa.

7. The cooking vessel according to claim 1, wherein in a locked state at least two over-engaging portions (21) at a distance from one another in a peripheral direction of the lid edge (16) are provided on the locking part (17).

8. The cooking vessel according to claim 7, wherein in the locked state outermost locking areas of a locking part (17) are separated from one another by a distance that is 1/10 to ½

of the lid diameter (d).

9. The cooking vessel according to claim 1, wherein the locking part (17) engages over the lid edge (16) in a circular arc-like manner in cross-section over a range of 30°

to 90°

.

10. The cooking vessel according to claim 1, wherein the locking part (17) would rotate between 30°

to 90°

between an open position and a closed position where it is secured to the vessel rim.

11. The cooking vessel according to claim 1, wherein a stationary over-engaging element (24) is formed opposite from the locking part (17).

12. The cooking vessel according to claim 1, wherein two locking parts (17) are oppositely situated with respect to a center axis (x) of the vessel (6).

13. The cooking vessel according to claim 1, wherein two oppositely situated locking parts (17) are provided, and rotational axes (y) of the locking parts (17) are enclosing an acute angle in a top view.

14. The cooking vessel according to claim 13, wherein a stationary over-engaging element (24) is formed diametrically opposite from a point of intersection of the two rotational axes (y).

15. The cooking vessel according to claim 1, wherein the contact area (23) is provided centrally, with respect to the longitudinal extent of the locking part (17), between the outermost locking areas.

16. The cooking vessel according to claim 1, wherein the locking part (17) has two contact areas (23) for the vessel rim (13) which are offset over the periphery of the vessel rim (13).

17. An electrically operated kitchen appliance having a vessel (6) according to claim 1 as a cooking vessel.