Weight selection method and apparatus

• US 6,540,650 B1
• Filed: 05/22/2000
• Issued: 04/01/2003
• Est. Priority Date: 05/26/1999
• Status: Expired due to Term

• Current Assignee: BowFlex, Inc.
• Original Assignee: Mark Krull
• Inventors: Krull, Mark A.
• Primary Examiner(s): Donnelly, Jerome W.
• Assistant Examiner(s): HWANG, VICTOR KENNY
• Application Number:
  US09/575,785
• Time in Patent Office: 1,044 Days
• Field of Search: 482/93, 482/94, 482/98, 482/908, 482/106-109
• US Class Current: 482/107
• CPC Class Codes: A63B 21/00065 by increasing or reducing the number of resistance units
• CPC Class Codes: A63B 21/063 Weight selecting means
• CPC Class Codes: A63B 21/0728 with means for fixing weights on bars, i.e. fixing olympic discs or bumper plates on bar-bells or dumb-bells

Abstract

Weights are selectively engaged by a weight selector assembly for movement during exercise activity. The weights are engaged by a selector member which is operable only when the weight selector assembly is docked relative to a weight supporting base.

Claims

1. A method of selectively adjusting weight to be moved in connection with exercise activity, comprising the steps of:

providing a base;

providing weights;

positioning the weights on the base; and

providing a weight selector assembly for movement to and from a rest position relative to the base, and operable to select a desired number of the weights only when occupying the rest position, wherein the weight selector assembly is provided with a button that is accessible via an opening, and with a weight selector member that is operatively connected to the button, and the base is provided with a member that engages the button when the weight selector assembly occupies the rest position, and gravitational force acting upon the weight selector assembly is sufficient to overcome a downward bias force acting upon the button, thereby moving the button upward relative to the weight selector assembly and freeing the weight selector member for movement to select the desired number of weights.

2. The method of claim 1, wherein a handle is provided together with the weight selector assembly to facilitate lifting of the weight selector assembly.

3. The method of claim 1, further comprising the steps of moving the weight selector assembly to the rest position, moving the weight selector member from a first position, wherein a first combination of the weights is secured to the weight selector assembly, and the button is aligned with a first bearing surface on the weight selector member, to a second position, wherein a second combination of the weights is secured to the weight selector assembly, and the button is aligned with a second bearing surface on the weight selector member, and then removing the weight selector assembly from the rest position to perform a weight lifting exercise.

4. The method of claim 3, further comprising the steps of again moving the weight selector assembly to the rest position, moving the weight selector member from the second position to a third position, wherein a third combination of the weights is secured to the weight selector assembly, and the button is aligned with a third bearing surface on the weight selector member, and then again removing the weight selector assembly from the rest position to perform a weight lifting exercise.

5. The method of claim 1, further comprising the steps of moving the weight selector assembly to the rest position, moving the weight selector member from a first position, wherein a first combination of the weights is secured to the weight selector assembly, and the button is aligned with a first opening in the weight selector member, to a second position, wherein a second combination of the weights is secured to the weight selector assembly, and the button is aligned with a second opening in the weight selector member, and then removing the weight selector assembly from the rest position to perform a weight lifting exercise.

6. The method of claim 5, further comprising the steps of again moving the weight selector assembly to the rest position, moving the weight selector member from the second position to a third position, wherein a third combination of the weights is secured to the weight selector assembly, and the button is aligned with a third opening in the weight selector member, and then again removing the weight selector assembly from the rest position to perform a weight lifting exercise.

7. A method of selectively adjusting weight to be moved in connection with exercise activity, comprising the steps of:

providing a base;

providing weights;

positioning the weights on the base; and

providing a weight selector assembly for movement to and from a rest position relative to the base, and for operable to select a desired number of the weights only when occupying the rest position, wherein the weights are positioned in opposite first and second sets with a space defined therebetween to receive the weight selector assembly between the sets.

8. The method of claim 7, wherein a handle is provided together with the weight selector assembly to facilitate lifting of the weight selector assembly.

9. The method of claim 7, wherein the selector assembly is provided with a button which is accessible via an opening, and a selector member which is operatively connected to the button, and the base is provided with a member which engages the button when the weight selector assembly occupies the rest position, and gravitational force acting upon the weight selector assembly is sufficient to overcome a downward bias force acting upon the button, thereby moving the button upward relatively to the weight selector assembly, and freeing the selector member on the weight selector assembly for movement relative to the weights.

10. The method of claim 7, wherein the weight selector assembly is provided with a movable weight selector member, and a movable latch that interferes with operational movement of the weight selector member when the weight selector assembly is removed from the rest position, and further comprising the steps of moving the weight selector assembly to the rest position, moving the weight selector member from a first position, wherein a first combination of the weights is secured to the weight selector assembly, and the latch is aligned with a first bearing surface on the weight selector member, to a second position, wherein a second combination of the weights is secured to the weight selector assembly, and the latch Is aligned with a second bearing surface on the weight selector member, and then removing the weight selector assembly from the rest position to perform a weight lifting exercise.

11. The method of claim 10, further comprising the steps of again moving the weight selector assembly to the rest position, moving the weight selector member from the second position to a third position, wherein a third combination of the weights is secured to the weight selector assembly, and the latch is aligned with a third bearing surface on the weight selector member, and then again removing the weight selector assembly from the rest position to perform a weight lifting exercise.

12. The method of claim 7, wherein the weight selector assembly is provided with a movable weight selector member, and a movable latch that interferes with operational movement of the weight selector member when the weight selector assembly is removed from the rest position, and further comprising the steps of moving the weight selector assembly to the rest position, moving the weight selector member from a first position, wherein a first combination of the weights is secured to the weight selector assembly, and the latch is aligned with a first opening in the weight selector member, to a second position, wherein a second combination of the weights is secured to the weight selector assembly, and the latch is aligned with a second opening in the weight selector member, and then removing the weight selector assembly from the rest position to perform a weight lifting exercise.

13. The method of claim 12, further comprising the steps of again moving the weight selector assembly to the rest position, moving the weight selector member from the second position to a third position, wherein a third combination of the weights is secured to the weight selector assembly, and the latch is aligned with a third opening in the weight selector member, and then again removing the weight selector assembly from the rest position to perform a weight lifting exercise.

14. The method of claim 7, wherein the weight selector assembly is provided with a weight selector rod that has a longitudinal axis, and further comprising the steps of moving the weight selector assembly to the rest position, and moving the selector rod axially to adjust which of the weights are connected to the weight selector assembly.

15. The method of claim 14, wherein the weight selector assembly is provided with a latch that is biased toward a locked position that interferes with axial movement of the weight selector rod when the weight selector assembly is removed from the rest position, and further comprising the steps of removing the weight selector assembly from the rest position, and performing a weight lifting exercise with the weight selector rod locked against operational movement.

16. The method of claim 7, wherein the weight selector assembly is provided with a weight selector rod that has a longitudinal axis, and further comprising the steps of moving the weight selector assembly to the rest position, and rotating the selector rod about its longitudinal axis to adjust which of the weights are connected to the weight selector assembly.

17. The method of claim 16, wherein the weight selector assembly is provided with a latch that is biased toward a locked position that interferes with rotation of the weight selector rod when the weight selector assembly is removed from the rest position, and further comprising the steps of removing the weight selector assembly from the rest position, and performing a weight lifting exercise.

18. A method of selectively adjusting weight to be moved in connection with exercise activity, comprising the steps of:

providing a base;

providing weights;

positioning the weights relative to the base;

providing a selector assembly configured to selectively support the weights for exercise activity, and including (a) a movable selector member having a bearing surface, and (b) a latch having a recess that aligns with the bearing surface when the selector assembly occupies a docked position relative to the base and the weights, and a shoulder that is biased to engage the bearing surface upon removal of the selector assembly from the docked position;

moving the selector assembly into the docked position, whereby the recess on the latch aligns with the bearing surface on the selector member, thereby releasing the selector member for operational movement;

operating the selector member to secure desired weights to the selector assembly for removal from the base; and

removing the selector assembly from the docked position, whereby the shoulder on the latch engages the bearing surface on the selector member, thereby automatically locking the selector member against operational movement.

19. The method of claim 18, wherein a handle is provided together with the weight selector assembly to facilitate lifting of the weight selector assembly, and the weights are positioned in first and second sets at opposite ends of the handle.

20. The method of claim 18, wherein the selector assembly is provided with a selector member having more than one said bearing surface, and the selector member is selectively moved to at least three different weight engaging positions, and in each of said positions a respective said bearing surface aligns with the latch.

21. The method of claim 18, wherein all of the steps are performed a first time to provide a first suitably weighted dumbbell, and all of the steps are performed a second time to provide a second suitably weighted dumbbell, and further comprising the steps of lifting each said dumbbell in a respective hand, and performing a weight lifting exercise.

22. A method of selectively adjusting weight to be moved in connection with exercise activity, comprising the steps of:

providing a base;

providing weights;

positioning the weights relative to the base;

providing a selector assembly configured to selectively support the weights for exercise activity, and including (a) a movable selector member having a hole formed therein, and (b) a latch having a peg that is biased to remain inside the hole when the selector assembly is removed from a docked position relative to the base and the weights, and that remains free of the hole when the selector assembly occupies the docked position;

moving the selector assembly into the docked position, whereby the peg on the latch vacates the hole in the selector member, thereby releasing the selector member for operational movement;

operating the selector member to adjust which said weights are connected to the selector assembly for removal from the base; and

removing the selector assembly from the docked position, whereby the peg on the latch enters the hole in the selector member, thereby automatically locking the selector member against operational movement.

23. The method of claim 22, wherein the selector assembly is provided with a selector member having more than one said hole, and the selector member is selectively moved to at least three different weight engaging positions, and in each of said positions a respective said hole aligns with the latch.

24. The method of claim 22, wherein all of the steps are performed a first time to provide a first suitably weighted dumbbell, and all of the steps are performed a second time to provide a second suitably weighted dumbbell, and further comprising the steps of lifting each said dumbbell in a respective hand, and performing a weight lifting exercise.

25. The method of claim 22, wherein a handle is provided together with the weight selector assembly to facilitate lifting of the weight selector assembly, and the weights are positioned in first and second sets at opposite ends of the handle.

26. An exercise apparatus, comprising:

a base;

weights supported by the base;

a selector assembly movable into alignment with the base, wherein the selector assembly includes a selector rod that is selectively rotatable into engagement with desired weights; and

a means for preventing rotation of the selector rod relative to the desired weights when the selector assembly is removed from the base, wherein the means includes a latch having a shoulder and a recess which are alternatively movable into a position adjacent the rod.

27. The exercise apparatus of claim 26, wherein the means further includes a spring which biases the latch toward a latched position, wherein the shoulder is adjacent the rod.

28. The exercise apparatus of claim 27, wherein a member extends from the base and engages the latch when the selector assembly is resting on the base, and the member cooperates with gravity acting upon the selector assembly to push the latch to an unlatched position, wherein the recess is adjacent the rod.

29. The exercise apparatus of claim 26, wherein the selector rod has a first bearing surface that aligns with the latch when the selector rod is rotated into engagement with a first combination of weights, and a second bearing surface that aligns with the latch when the selector rod is rotated into engagement with a second combination of weights, and a third bearing surface that aligns with the latch when the selector rod is rotated into engagement with a third combination of weights.

30. The exercise apparatus of claim 26, wherein a handle is secured to the weight selector assembly to facilitate lifting of the weight selector assembly, and the weights are arranged in first and second sets at opposite ends of the handle.

31. An exercise apparatus, comprising:

a base;

weights supported by the base;

a selector assembly movable into alignment with the base, wherein the selector assembly includes a selector rod that is selectively slidable into engagement with desired weights; and

a means for preventing sliding of the selector rod relative to the desired weights when the selector assembly is removed from the base, wherein the means includes a spring-biased latch which is biased toward a latched position, wherein the latch interferes with sliding of the rod.

32. The exercise apparatus of claim 31, wherein a member extends from the base and engages the latch when the selector assembly is resting on the base, and the member cooperates with gravity acting upon the selector assembly to push the latch out of the latched position.

33. The exercise apparatus of claim 32, wherein the rod is linked to a gear rotatably mounted on the selector assembly, and the latch is provided with a peg which extends into a hole in the gear when the latch occupies the latched position.

34. The exercise apparatus of claim 31, wherein a handle is secured to the weight selector assembly to facilitate lifting of the weight selector assembly, and the weights are arranged in first and second sets at opposite ends of the handle.

35. The exercise apparatus of claim 31, wherein the selector rod defines a longitudinal axis, and the selector rod is selectively movable into at least three different, axially spaced, weight engaging positions.

36. An exercise dumbbell, comprising:

a plurality of weights;

a handle assembly including a handle, a selector member that is movable relative to the handle to secure desired weights to the handle assembly, and a latch that is biased toward a locked position that blocks operation of the selector member; and

a base configured to support the weights in first and second sets with a space defined therebetween to accommodate the handle, wherein an upwardly extending member on the base cooperates with gravity acting upon the handle assembly to move the latch out of its locked position when the handle assembly occupies a rest position on the base, thereby releasing the selector member for movement relative to the handle.

37. The exercise apparatus of claim 36, wherein the selector member is movable from a first position, wherein a first combination of the weights is secured to the handle assembly, and a first bearing surface on the selector member aligns with the latch, and a second position, wherein a second combination of the weights is secured to the handle assembly, and a second bearing surface on the selector member aligns with the latch, and a third position, wherein a third combination of the weights is secured to the handle assembly, and a third bearing surface on the selector member aligns with the latch.

38. The exercise apparatus of claim 36, wherein the selector member is movable from a first position, wherein a first combination of the weights is secured to the handle assembly, and a first opening in the selector member aligns with the latch, and a second position, wherein a second combination of the weights is secured to the handle assembly, and a second opening in the selector member aligns with the latch, and a third position, wherein a third combination of the weights is secured to the handle assembly, and a third opening in the selector member aligns with the latch.

39. The exercise apparatus of claim 36, wherein the selector member is rotatable relative to the handle to at least three different weight engaging orientations, and the selector member is configured to be selectively locked in place by the latch in each of the orientations.