Exercise weight selection methods and apparatus

• US 7,981,012 B1
• Filed: 06/29/2007
• Issued: 07/19/2011
• Est. Priority Date: 06/30/2006
• Status: Active Grant

• Current Assignee: Bruno Intellectual Reserve, LLC
• Original Assignee: Mark Krull
• Inventors: Krull, Mark A.
• Primary Examiner(s): Donnelly; Jerome W
• Application Number:
  US11/824,271
• Time in Patent Office: 1,481 Days
• Field of Search: 482/93, 482/94, 482101-103, 482104-108
• US Class Current: 482/107
• CPC Class Codes: A63B 21/00065 by increasing or reducing the number of resistance units
• CPC Class Codes: A63B 21/0728 with means for fixing weights on bars, i.e. fixing olympic discs or bumper plates on bar-bells or dumb-bells

Abstract

A weight lifting member is configured to accommodate a plurality of weights. A selector rod is movably mounted on the weight lifting member for rotation about an axis to selective engage and disengage a first subset of the weights, and for movement axially to selectively engage and disengage a second subset of the weights. A latch must be moved in order to release the selector rod for movement relative to the weight lifting member.

Claims

1. An exercise apparatus, comprising:

a plurality of weights;

a weight lifting member configured to occupy a ready position relative to the weights; and

a selector rod movably mounted on the weight lifting member, wherein (a) the selector rod is configured and arranged for rotation about its axis relative to the weight lifting member, and when the weight lifting member occupies the ready position, the selector rod is rotatable to selectively engage and disengage a first subset of the weights, and orientation of the selector rod relative to the weight lifting member determines how many weights in the first subset are engaged regardless of how the selector rod is positioned axially relative to the weight lifting member, and (b) the selector rod is configured and arranged for movement axially relative to the weight lifting member, and when the weight lifting member occupies the ready position, the selector rod is movable axially to selectively engage and disengage a second subset of the weights, and axially positioning of the selector rod relative to the weight lifting member determines how many weights in the second subset are engaged regardless of how the selector rod is oriented relative to the weight lifting member.

2. The exercise apparatus of claim 1, wherein each of the weights defines an upwardly opening slot configured to receive the weight lifting member, and a downwardly closed notch configured to receive a respective portion of the selector rod, and the notch opens into the slot.

3. The exercise apparatus of claim 2, further comprising a means for latching the selector rod in a desired position relative to the weight lifting member.

4. The exercise apparatus of claim 3, wherein the means includes a pin that is configured an arranged to move radially relative to the selector rod.

5. The exercise apparatus of claim 1, further comprising a pin configured an arranged to move radially into and out of axially overlapping engagement with the selector rod.

6. The exercise apparatus of claim 1, further comprising two windows defined on the weight lifting member, and indicia associated with the selector rod and visible through only one of the two windows as a function of how the selector rod is positioned relative to the weight lifting member.

20. The exercise apparatus of claim 1, wherein the selector rod is configured and arranged for selective rotation into and out of underlying engagement with the first subset of the weights independent of the second subset of weights, and for selective axial movement into and out of underlying engagement with the second subset of the weights independent of the first subset of weights.

7. An exercise dumbbell, comprising:

a handle assembly, including a handle that defines a longitudinal axis, and first and second weight holders connected to opposite ends of the handle;

first and second sets of weight plates sized and configured to occupy respective weight holders; and

at least one axially extending weight selecting rod rotatably and slidably mounted on the handle assembly for selectively engaging the weight plates, wherein orientation of the weight selecting rod relative to the handle assembly determines how many weight plates in a first subset of the weight plates are engaged regardless of how the weight selecting rod is positioned axially relative to the handle assembly, and axially positioning of the weight selecting rod relative to the handle assembly determines how many weight plates in a second subset of the weight plates are engaged regardless of how the weight selecting rod is oriented relative to the handle assembly.

8. The exercise dumbbell of claim 7, wherein each of the weight plates defines an upwardly opening slot configured to receive a respective one of the weight holders, and a downwardly closed notch configured to receive a respective portion of the weight selecting rod, and the notch opens into the slot.

9. The exercise dumbbell of claim 8, further comprising a latching means for latching the weight selecting rod in a desired position relative to the handle assembly.

10. The exercise dumbbell of claim 9, wherein the latching means includes a pin that is configured an arranged to move radially relative to the weight selecting rod.

11. The exercise dumbbell of claim 7, further comprising a pin configured an arranged to move radially into and out of axially overlapping engagement with the weight selecting rod.

12. The exercise dumbbell of claim 7, further comprising two windows defined on the handle assembly, and indicia associated with the weight selecting rod and visible through only one of the two windows as a function of how the weight selecting rod is positioned relative to the handle assembly.

13. A method of selecting a variable amount of weight for exercise purposes, comprising the steps of:

providing a weight set, including a plurality of weights;

a weight lifting member with a weight holder configured to accommodate the weights; and

a selector rod movably mounted on the weight lifting member for both rotation about an axis and movement along the axis;

selectively rotating the selector rod to engage and disengage a first subset of the weights; and

selectively moving the selector rod axially to engage and disengage a second subset of the weights, wherein the moving step and the rotating step are performed independent of one another.

14. The method of claim 13, wherein the weight set is provided with a latch on the weight lifting member, and further comprising the step of moving the latch in a radial direction and out of contact with the selector rod in order to release the selector rod for movement axially.

15. The method of claim 13, wherein the weight set is provided with a handle on the weight lifting member, and with a respective said weight holder at each end of the handle, and further comprising the step of grasping the handle and lifting the weight lifting member together with any engaged weights.

16. The method of claim 13, wherein the weight lifting member is provided with two windows, and indicia of different weight amounts arranged to appear in only one of the two windows as a function of how the selector rod is positioned relative to the weight lifting member, and further comprising the step of grasping the handle and lifting whatever indicated amount of weight current appears in one of the windows.

17. The method of claim 16, wherein the weight set is provided with a first set of circumferentially spaced holes formed in the selector rod, and with an axially spaced, second set of circumferentially spaced holes formed in the selector rod, and with a latch on the weight lifting member and biased into an adjacent one of the holes to discourage movement of the selector rod relative to the weight lifting member and to align an associated one of the weight amounts with a respective one of the windows, and further comprising the step of forcing the latch from the adjacent one of the holes in order to move the selector rod relative to the weight lifting member.

18. The method of claim 13, wherein the weight set is provided with a first set of circumferentially spaced holes formed in the selector rod, and with an axially spaced, second set of circumferentially spaced holes formed in the selector rod, and with a latch on the weight lifting member and biased into an adjacent one of the holes to discourage movement of the selector rod relative to the weight lifting member, and further comprising the step of forcing the latch from the adjacent one of the holes in order to move the selector rod relative to the weight lifting member.

19. An exercise dumbbell, comprising:

a plurality of weights;

a weight lifting member having a handle, and first and second weight supports disposed at respective, opposite ends of the handle, wherein the weight supports are configured to accommodate respective said weights;

a selector rod movably mounted on the weight lifting member, wherein the selector rod is configured and arranged for movement into and out of engagement with at least some of the weights; and

a pin movably mounted on the weight lifting member, wherein the pin is configured and arranged for movement into and out of engagement with the selector rod, wherein the selector rod is movable in a first direction without causing contemporaneous movement of the pin, and the selector rod is movable in a perpendicular, second direction without causing contemporaneous movement of the pin.