Claims
- 1. A step stool comprisinga frame including a front leg and a rear leg coupled to the front leg for movement relative to the front leg, a handle supported for pivotable movement on the front leg about a pivot rod, and a retainer coupled to the handle to move therewith about the pivot rod and arranged to clampingly trap a portion of the rear leg between the rod and the retainer upon movement of the handle to a predetermined position relative to the rear leg to lock the front leg to the rear leg.
- 2. The step stool of claim 1, wherein the rear leg includes a leg member and a handle anchor coupled to the leg member and configured to include the portion of the rear leg trapped between the rod and the retainer.
- 3. The step stool of claim 2, wherein the pivot rod is supported to rotate about a pivot axis and a handle grip coupled to the pivot rod to rotate therewith and the portion of the rear leg is a rod jacket formed to include a concave inner surface defining a channel receiving a portion of the pivot rod therein when the rear leg is locked to the front leg.
- 4. The step stool of claim 3, wherein the handle anchor further includes a jacket support coupled to the leg member and arranged to support the rod jacket in spaced-apart relation to the leg member and in confronting relation to the portion of the pivot rod upon movement of the rear leg to a position alongside the front leg.
- 5. The step stool of claim 3, wherein the portion of the pivot rod is cylinder-shaped, the rod jacket is a C-shaped member having a convex outer surface, and the retainer includes a curved inner surface configured to mate with the convex outer surface of the rod jacket.
- 6. The step stool of claim 3, wherein the handle grip includes a grip portion arranged to lie in spaced-apart parallel relation to the pivot rod and a pair of grip supports coupled to the grip portion and the pivot rod to maintain the grip portion in a fixed position relative to the pivot rod, and the retainer is coupled to at least one of the grip supports and arranged to define a space located between the retainer and the pivot rod adapted to receive the rod jacket therein upon movement of the handle relative to the rear leg to the predetermined position.
- 7. The step stool of claim 1, wherein the handle includes a pivot rod supported to rotate about a pivot axis and a handle grip coupled to the pivot rod to rotate therewith and the retainer is coupled to the handle grip and arranged to define a space between the retainer and the pivot rod adapted to receive the portion of the rear leg therein upon movement of the handle relative to the rear leg to the predetermined position.
- 8. The step stool of claim 7, wherein the pivot rod includes a cylinder-shaped portion, the portion of the rear leg is a C-shaped member including a concave inner surface shaped to mate with the cylinder-shaped portion of the pivot rod and a convex outer surface, and the retainer includes a curved inner surface shaped to mate with the convex outer surface of the C-shaped member.
- 9. The step stool of claim 7, wherein the rear leg includes a leg member and a handle anchor coupled to the leg member and configured to include the portion of the rear leg trapped between the handle and the retainer.
- 10. The step stool of claim 1, wherein the rod has a curved exterior surface and the portion of the rear leg is a rod jacket formed to include a concave inner surface defining a channel receiving the curved exterior surface of the rod therein when the rear leg is locked to the front leg.
- 11. The step stool of claim 10, wherein the rod jacket is a C-shaped member having a convex outer surface and the retainer includes a curved inner surface configured to mate with the convex outer surface of the rod jacket.
- 12. The step stool of claim 10, wherein the handle further includes a grip portion adapted to be gripped by a person and a grip support arranged to interconnect the grip portion and the rod and the retainer is coupled to the grip support and arranged to define a space located between the retainer and the rod and adapted to receive the rod jacket therein upon movement of the handle relative to the rear leg to the predetermined position.
- 13. A step stool comprisinga frame including a front leg and a rear leg coupled to the front leg for movement relative to the front leg, a handle, a handle mount coupled to the front leg and arranged to support the handle for pivotable movement about a pivot rod, a handle anchor coupled to the rear leg and arranged to mate with the handle upon movement of the rear leg to lie alongside the front leg, and a retainer coupled to the handle to move therewith about the pivot rod and arranged to clampingly trap a portion of the handle anchor between the rod and the retainer upon movement of the handle about the pivot axis to assume a stool-carrying position when the handle anchor is mated to the handle.
- 14. The step stool of claim 13, wherein the pivot rod is coupled to the handle mount to rotate about a pivot axis and a handle grip coupled to the pivot rod to rotate therewith and the retainer is coupled to the handle grip to rotate therewith.
- 15. The step stool of claim 14, wherein the retainer is positioned to lie in spaced-apart relation to the pivot rod to define a space therebetween and the portion of the handle anchor is positioned to lie in the space upon movement of the handle about a pivot axis to assume a stool-carrying position when the handle anchor is mated to the handle.
- 16. The step stool of claim 15, wherein the pivot rod includes a cylinder-shaped portion, the portion of the handle anchor is a C-shaped member including a concave inner surface shaped to mate with the cylinder-shaped portion of the pivot rod and a convex outer surface, and the retainer includes a curved inner surface shaped to mate with the convex outer surface of the C-shaped member.
- 17. The step stool of claim 13, wherein the handle mount includes a base coupled to the front leg and a bearing coupled to the base and formed to include a passageway therein, the handle includes the pivot rod arranged to extend through the passageway and to rotate about a pivot axis and a handle grip coupled to the pivot rod to rotate therewith, and the retainer is coupled to the handle grip to move therewith about the pivot axis.
- 18. The step stool of claim 17, wherein the portion of the handle anchor is defined by a pair of rod jackets, each rod jacket is formed to include a concave inner surface defining a channel receiving a portion of the pivot rod therein when the rear leg is locked to the front leg, and the rod jackets are arranged to lie in spaced-apart relation to one another to receive the bearing therebetween when the rear leg is locked to the front leg.
- 19. The step stool of claim 18, wherein the handle grip includes a grip portion arranged to lie in spaced-apart parallel relation to the pivot rod and a pair of grip supports coupled to the grip portion and the pivot rod to maintain the grip portion in a fixed position relative to the pivot rod and the retainer includes a first retainer member coupled to a first of the grip supports and arranged to trap one of the rod jackets between the first retainer member and one portion of the pivot rod upon movement of the handle about the pivot axis to assume the stool-carrying position when the handle anchor is mated to the handle and a second retainer member coupled to a second of the grip supports and arranged to trap another of the rod jackets between the second retainer member and another portion of the pivot rod upon movement of the handle about the pivot axis to assume the stool-carrying position when the handle anchor is mated to the handle.
- 20. The step stool of claim 17, wherein the portion of the handle anchor is a rod jacket formed to include a concave inner surface defining a channel receiving a portion of the pivot rod therein when the handle anchor is mated to the handle.
- 21. The step stool of claim 20, wherein the portion of the pivot rod is positioned to lie between the base and the rod jacket and the rod jacket is positioned to lie between the handle grip and the bearing when the handle anchor is mated to the handle.
- 22. A step stool comprisinga frame including a front leg and a rear leg coupled to the front leg for movement relative to the front leg, the front leg including a longitudinal leg coupled to the rear leg and adapted for engagement with a foundation, a handle coupled to the front leg for pivotable movement about a pivot axis that is parallel to a longitudinal axis of the longitudinal leg, and a portion of the handle including locking means for locking the rear leg to the handle when the rear leg is positioned to lie alongside the front leg in response to movement of the handle relative to the front leg to retain the rear leg in a fixed position alongside the front leg.
- 23. The step stool of claim 22, wherein the locking means includes a handle anchor coupled to the rear leg and a retainer coupled to the handle.
- 24. The step stool of claim 23, wherein the handle includes a pivot rod supported for rotation on the front leg about a pivot axis and a handle grip coupled to the pivot rod to rotate therewith and the retainer is coupled to the handle grip to move therewith about the pivot axis and arranged to trap a portion of the handle anchor between the pivot rod and the retainer upon movement of the handle about the pivot axis to assume a stool-carring position when the rear leg lies in the fixed position alongside the front leg.
- 25. The step stool of claim 23, wherein the handle includes a pivot rod supported for rotation on the front leg, a grip portion arranged to lie in spaced-apart parallel relation to the pivot rod, and a pair of grip supports coupled to the grip portion and the pivot rod to maintain the grip portion in a fixed position relative to the pivot rod, and the retainer is coupled to at least one of the grip supports.
- 26. The step stool of claim 23, wherein the handle includes a pivot rod supported for pivotable movement on the front leg about a pivot axis, the handle anchor includes a rod jacket configured to mate with the pivot rod when the rear leg lies in the fixed position alongside the front leg, and the retainer is arranged to trap the rod jacket between a portion of the pivot rod and the retainer upon movement of the handle about the pivot axis to assume a stool-carrying position when the rear leg lies in the fixed position alongside the front leg.
- 27. The step stool of claim 26, wherein the portion of the pivot rod is cylinder-shaped, the rod jacket is a C-shaped member having a convex outer surface, and the retainer includes a curved inner surface configured to mate with the convex outer surface of the rod jacket.
- 28. The step stool of claim 22, wherein a portion of the locking means is located on the handle.
- 29. A step stool comprising a frame including a front leg and a rear leg movable relative to the front leg between an opened, use position and a closed, storage position, the front leg extending longitudinally and coupled to the rear leg, a handle supported for pivotable movement on one of the legs about a pivot axis that is parallel to a longitudinal axis of the front leg and a retainer carried by the handle to move with the handle about the pivot axis to lock the front leg to the rear leg in the collapsed, storage position so that the step stool can be carried using the handle.
- 30. The step stool of claim 29, wherein the handle includes a handle grip and a pivot rod that is coupled to the handle grip and defines the pivot axis and the retainer is coupled to the handle grip to move with the handle grip as the handle grip pivots about the pivot axis.
- 31. The step stool of claim 30, wherein the rear leg includes a handle anchor formed to include a channel sized to receive the pivot rod therein and the retainer is configured to block movement of the handle anchor away from the pivot rod in response to movement of the handle grip about the pivot axis when the front and rear legs are in the collapsed, storage position.
Parent Case Info
This claims priority under 35 U.S.C. §119(e) to U.S. Provisional Application Ser. No. 60/149,370, filed Aug. 13, 1999, which is expressly incorporated by reference herein.
US Referenced Citations (29)
Provisional Applications (1)
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Number |
Date |
Country |
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60/149370 |
Aug 1999 |
US |