1. A bicycle front derailleur comprising:
a base member configured to be fixedly coupled to a bicycle frame;
a movable member having a chain guide portion; and
a linkage assembly coupled between the base member and the movable member to move the chain guide portion between a retracted position and an extended position,
the chain guide portion including an inner chain guide member, an outer chain guide member non-movably coupled to the inner chain guide member and a pushing element with a contact surface, the outer chain guide member being spaced laterally outwardly from the inner chain guide member to form a longitudinally extending chain receiving slot between opposing inner and outer laterally facing surfaces of the inner and outer chain guide members,
the pushing element being rotatably coupled to the chain guide portion and contacted and activated by a chain to move relative to the inner chain guide member from a first position with the pushing element at rest to a second position in response to activation by the chain, the contact surface moving laterally outwardly into the chain receiving slot toward the outer chain guide member as the pushing element moves from the first position to the second position.
2. The bicycle front derailleur according to claim 1, wherein
the pushing element is normally biased toward the first position from the second position by a biasing element such that the contact surface is located laterally further from the outer chain guide member in the first position with the pushing element at rest than in the second position.
3. The bicycle front derailleur according to claim 2, wherein
the pushing element is rotatably attached to inner chain guide member for rotation about a rotation axis.
4. The bicycle front derailleur according to claim 3, wherein
the rotation axis extends in a substantially vertical direction relative to the bicycle frame.
5. The bicycle front derailleur according to claim 1, wherein
the pushing element is coupled in a non-cable operated arrangement.
6. The bicycle front derailleur according to claim 1, wherein
the pushing element is not attached to the base member and is not attached to the linkage assembly such that the pushing element moves independently of movement of the linkage assembly.
7. The bicycle front derailleur according to claim 1, wherein
the pushing element is rotatably to the chain guide portion for rotation about a rotation axis that extends in a substantially vertical direction relative to the bicycle frame.
8. The bicycle front derailleur according to claim 1, wherein
the contact surface is a cam-shaped surface configured to move laterally outwardly as the pushing element rotates to the second position from the first position.
9. The bicycle front derailleur according to claim 8, wherein
a portion of the contact surface projecting into the chain receiving slot moves in a longitudinally forward direction in an area adjacent the inner chain guide member as the pushing element rotates to the second position from the first position.
10. The bicycle front derailleur according to claim 8, wherein
the pushing element is normally biased toward the first position from the second position by a biasing element.
11. The bicycle front derailleur according to claim 10, wherein
the pushing element includes a cam-shaped control surface that engages the biasing element such that the pushing element is normally biased toward the first position from the second position by the biasing element.
12. The bicycle front derailleur according to claim 11, wherein
the pushing element rotates from the first position to the second position and back to the first position in a single rotational direction.
13. The bicycle front derailleur according to claim 8, wherein
the pushing element rotates from the first position to the second position and back to the first position in a single rotational direction.
14. The bicycle front derailleur according to claim 1, wherein
the pushing element rotates from the first position to the second position and back to the first position in a single rotational direction.
15. The bicycle front derailleur according to claim 2, wherein
the pushing element includes a cam-shaped control surface that engages the biasing element such that the pushing element is normally biased toward the first position from the second position by the biasing element.
16. The bicycle front derailleur according to claim 15, wherein
the pushing element rotates from the first position to the second position and back to the first position in a single rotational direction.
17. The bicycle front derailleur according to claim 1, wherein
the contact surface of the pushing element is laterally spaced toward the outer laterally facing surface from the inner laterally facing surface when the pushing element is in the first position at rest in order to be activated by the chain moving in the chain receiving slot.
18. The bicycle front derailleur according to claim 1, wherein
the inner laterally facing surface of the inner chain guide member has a forward most edge and a rearward most, and the entire contact surface is longitudinally disposed between the forward most edge and the rearward most edge of the inner laterally facing surface.
19. The bicycle front derailleur according to claim 18, wherein
the pushing element is longitudinally disposed closer to the forward most edge than the rearward most edge of the inner laterally facing surface.
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 method of making a winged absorbent article having a chassis comprising a topsheet, a backsheet and an absorbent core sandwiched between said topsheet and said backsheet, wherein said method comprises:
(a) feeding at least one web of wing-making material, said web having an upper surface and an opposed lower surface,
(b) attaching a plurality of landing zones in spaced apart relationship, on one surface of said web,
(c) attaching at least one wing tab on the edge of said web,
(d) longitudinally folding said web in a generally Z-fold configuration and forming a releasable bond on said longitudinal fold,
(e) feeding said chassis in one direction, and
(f) severing individual folded wing portions from said web and attaching 1-4 individual folded wing portions to 1-4 edges of the wing of said chassis at predetermined spaced intervals, while causing said web and said chassis to travel in the same direction at said point of attachment.
2. A method as in claim 1 wherein each of said wings is attached to said topsheet.
3. A method as in claim 1 wherein each of said wings is attached to said backsheet.
4. A method as in claim 1 wherein each of said wings is attached intermediate said topsheet and said backsheet.
5. A method as in claim 1 wherein said landing zones are perforated.
6. A method as in claim 2 wherein said landing zones are perforated.
7. A method as in claim 3 wherein said landing zones are perforated.
8. A method as in claim 4 wherein said landing zones are perforated.
9. The method of claim 1 wherein said wings are at least partly elasticated.
10. The method of claim 2 wherein said wings are at least partly elasticated.
11. The method of claim 3 wherein said wings are at least partly elasticated.
12. The method of claim 4 wherein said wings are at least partly elasticated.
13. The method of claim 5 wherein said wings are at least partly elasticated.
14. The method of claim 6 wherein said wings are at least partly elasticated.
15. The method of claim 7 wherein said wings are at least partly elasticated.
16. The method of claim 8 wherein said wings are at least partly elasticated.
17. A method as in claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 wherein each of said folded wings is folded over the top surface of said topsheet and is releasably bonded to said topsheet.
18. A method as in claims 1, 2, 3, 4, 5, 6, 7, 9, 9, 10, 11, 12, 13, 14, 15 or 16 wherein each of said folded wings is folded under the bottom surface of said backsheet and is releasably bonded to said backsheet.
19. A method of making a winged absorbent article having a chassis comprising a topsheet, a backsheet and an absorbent core sandwiched between said topsheet and said backsheet, wherein said method comprises:
(a) feeding at least one web of wing-making material, said web having an upper surface and an opposed lower surface,
(b) attaching at lest one wing tab on the edge of said web,
(c) longitudinally folding said web in a generally z-fold configuration and forming a temporary bond on said longitudinal fold,
(d) feeding said chassis in one direction, and
(e) severing individual folded wing portions from said web and attaching 1-4 individual folded wing portions to 1-4 edges of the wing of said chassis at predetermined spaced intervals, while causing said web and said chassis to travel in the same direction at said point of attachment.
20. A method as in claim 19 wherein each of said wings is attached to said topsheet.
21. A method as in claim 19 wherein each of said wings is attached to said backsheet.
22. A method as in claim 19 wherein each of said wings is attached intermediate said topsheet and said backsheet.
23. A method as in claim 19 wherein said wings are at least partly elasticated.
24. A method as in claim 20 wherein said wings are at least partly elasticated.
25. A method as in claim 21 wherein said wings are at least partly elasticated.
26. A method as in claim 22 wherein said wings are at least partly elasticated.
27. The method of claims 19, 20, 21, 22, 23, 24, 25 or 26 wherein each of said folded wings is folded over the top surface of said topsheet and is releasably bonded to said topsheet.
28. The method of claims 19, 20, 21, 22, 23, 24, 25 or 26 wherein each of said folded wings is folded under the bottom surface of said backsheet and is releasably bonded to said backsheet.
29. A method as in claim 5 wherein each landing zone is perforated after attaching the landing zone to the web.
30. A method as in claim 6 wherein each landing zone is perforated after attaching the landing zone to the web.
31. A method as in claim 7 wherein each landing zone is perforated after attaching the landing zone to the web.
32. A method as in claim 8 wherein each landing zone is perforated after attaching the landing zone to the web.
33. A method as in claims 29, 30, 31 or 32 wherein each landing zone has a top surface and a bottom surface and wherein said bottom surface is coated with adhesive.