1. A coupling device (1) for an appliance for domestic use, in particular a handheld blender or immersion blender, for connecting a drive part (7) to a tool shank (6), with a locking device (2) having at least one locking element (3) being arranged on a coupling section (24) of the drive part (7), said locking element being in engagement with a detent element (10) of the tool shank (6) in the locked state,
characterized in that said locking device (2) is constructed as an annular spring element and that in the area of the locking element (3) provision is made for an actuating device (4) causing, when actuated, the spring element (2) to be deformed elastically such that the locking element (3) becomes disengaged from the detent element (10).
2. The coupling device (1) according to claim 1,
characterized in that diametrically opposed on the spring element (2) is one locking element (3) each and that one detent element (10) each is provided at the corresponding position on the tool shank (6).
3. The coupling device (1) according to claim 1,
characterized in that on the outer wall of the coupling section (24) of the drive part (7) provision is made for at least one opening (13) through which at least one actuating device (4) formed on the spring element (2) projects outwardly in the locked state.
4. The coupling device (1) according to claim 3,
characterized in that diametrically opposed on the spring element (2) is one actuating device (4) each which project out through the openings (13) provided on the drive part (7).
5. The coupling device (1) according to claim 4,
characterized in that the actuating devices (4) are formed on the spring element (2) level with the locking elements (3).
6. The coupling device (1) according to claim 1,
characterized in that the locking device (2) is fabricated from a suitable thermoplastic material.
7. The coupling device (1) according to claim 1,
characterized in that the locking device (2) includes at least one ejector (9) disposed in a 90 -degree offset relation to the locking element (3).
8. The coupling device (1) according to claim 7,
characterized in that diametrically opposed on the spring element (2) is one ejector (9) each and that the ejectors (9) include ramp surfaces (32) cooperating with corresponding abutment surfaces (33) on the tool shank (6).
9. The coupling device (1) according to claim 1,
characterized in that on the locking device (2) and in the coupling section of the drive part (7) provision is made for corresponding guide devices (5, 8) guiding the spring element (2) radially towards the drive part (7).
10. The coupling device (1) according to claim 7,
characterized in that the locking device (2) includes a captivating device comprised of the ejector (9) formed on the spring element (2), said ejector in turn engaging within a passage (35) formed on the drive part (7).
11. The coupling device (1) according to claim 2,
characterized in that the locking elements (3) are arranged on first connecting bars (12) integrally connected with the spring element (2).
12. The coupling device (1) according to claim 2,
characterized in that the locking elements (3) are of a wedge-shaped configuration and the detent elements (10) are in the form of depressions (38) whose horizontally extending walls (37) abut against the abutment surfaces (34) and whose obliquely outwardly extending sliding surfaces (40) abut against centering surfaces (39) shaped to conform to the shape of the sliding surfaces (40).
13. The coupling device (1) according to claim 7,
characterized in that the ejectors (9) are arranged on second connecting bars (11) which are integrally formed with the spring element (2).
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A manufacture, comprising:
a first electrode having an upper surface;
a second electrode having a lower surface over the upper surface of the first electrode;
a resistance variable film between the first electrode and the second electrode; and
a first conductive member on and surrounding an upper portion of the second electrode, wherein a lowest portion of the first conductive member is lower than an uppermost portion of the second electrode, and the first conductive member is in contact with a sidewall of the resistance variable film.
2. The manufacture of claim 1, wherein the second electrode further comprises a sidewall, and the resistance variable film extends along the sidewall of the second electrode.
3. The manufacture of claim 1, further comprising:
a hard mask layer over the first electrode and surrounding a lower portion of the second electrode.
4. The manufacture of claim 1, further comprising:
a substrate;
a dielectric layer over the substrate, the first electrode being over the dielectric layer; and
a second conductive member over the dielectric layer, the second conductive member comprising a via plug and a conductive line directly on the via plug, the first conductive member being substantially level with the conductive line of the second conductive member.
5. The manufacture of claim 1, wherein the lower surface of the second electrode has a width ranging from 20 nm to 100 nm.
6. The manufacture of claim 1, wherein the first electrode or the second electrode has a thickness ranging from 10 nm to 100 nm.
7. The manufacture of claim 1, wherein the first electrode or the second electrode has a material comprising platinum (Pt), aluminum, copper, titanium nitride (TiN), gold (Au), titanium (Ti), tantalum (Ta), tantalum nitride (TaN), tungsten (W), tungsten nitride (WN), or combinations thereof.
8. The manufacture of claim 1, wherein the resistance variable film has a thickness ranging from 1 nm to 10 nm.
9. The manufacture of claim 1, wherein the resistance variable film has a material comprising a high-k dielectric material, a binary metal oxide or a transition metal oxide.
10. A manufacture, comprising:
a first electrode having an upper surface;
a second electrode having a sidewall and a lower surface over the upper surface of the first electrode, wherein a width of the first electrode is different from a width of the second electrode;
a resistance variable film between the first electrode and the second electrode and extending along the sidewall of the second electrode; and
a conductive member on and surrounding an upper portion of the second electrode,
wherein the conductive member is in contact with a sidewall of the resistance variable film.
11. The manufacture of claim 10, further comprising:
a hard mask layer over the first electrode and surrounding a bottom portion of the second electrode.
12. The manufacture of claim 10, wherein the lower surface of the second electrode has a width ranging from 20 nm to 100 nm.
13. The manufacture of claim 10, wherein the first electrode or the second electrode has a thickness ranging from 10 nm to 100 nm.
14. The manufacture of claim 10, wherein the first electrode or the second electrode has a material comprising platinum (Pt), aluminum, copper, titanium nitride (TiN), gold (Au), titanium (Ti), tantalum (Ta), tantalum nitride (TaN), tungsten (W), tungsten nitride (WN), or combinations thereof.
15. The manufacture of claim 10, wherein the resistance variable film has a thickness ranging from 1 nm to 10 nm.
16. The manufacture of claim 10, wherein the resistance variable film has a material comprising a high-k dielectric material, a binary metal oxide or a transition metal oxide.
17. A manufacture, comprising:
a conductive line embedded in a dielectric layer;
a first electrode over the conductive line;
a second electrode over the first electrode, wherein the second electrode comprises sidewalls and a bottom portion;
a resistance variable film over the sidewalls and between the first electrode and the bottom portion of the second electrode; and
a conductive member over the second electrode,
wherein the conductive member surrounds a portion of sidewalls of the second electrode, and the conductive member is in contact with a sidewall of the resistance variable film.
18. The manufacture of claim 17, wherein the resistance variable film has a thickness ranging from 1 nm to 10 nm.
19. The manufacture of claim 17, wherein the first electrode or the second electrode has a material comprising platinum (Pt), aluminum, copper, titanium nitride (TiN), gold (Au), titanium (Ti), tantalum (Ta), tantalum nitride (TaN), tungsten (W), tungsten nitride (WN), or combinations thereof.
20. The manufacture of claim 17, wherein the first electrode or the second electrode has a thickness ranging from 10 nm to 100 nm.
21. The manufacture of claim 17, wherein the resistance variable film has a material comprising a high-k dielectric material, a binary metal oxide or a transition metal oxide.