Exercise resistance methods and apparatus

• US 7,060,011 B1
• Filed: 05/11/2004
• Issued: 06/13/2006
• Est. Priority Date: 09/29/1997
• Status: Expired due to Fees

• Current Assignee: Core Health & Fitness LLC
• Original Assignee: Mark Krull
• Inventors: Krull, Mark A.
• Primary Examiner(s): Donnellz, Jerome
• Assistant Examiner(s): HWANG, VICTOR KENNY
• Application Number:
  US10/843,841
• Time in Patent Office: 763 Days
• Field of Search: 482/93, 482/94, 482 97-104, 482106-108
• US Class Current: 482/107
• CPC Class Codes: A63B 21/00065 by increasing or reducing the number of resistance units
• CPC Class Codes: A63B 21/0628 for vertical array of weights
• 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
• CPC Class Codes: A63B 21/075 with variable weights , e.g. weight systems with weight selecting means for bar-bells or dumb-bells

Abstract

Weights are disposed on opposite sides of a base member, and selector rods are selectively moved into engagement with the desired number of weights on each side of the base member.

Claims

1. A method of adjusting resistance to exercise, comprising the steps of:

providing a plurality of weights;

supporting the weights in respective first and second groups;

providing a member having an intermediate handle sized and configured for grasping, and opposite first and second end portions sized and configured for movement into and out of alignment with respective said groups;

providing a first selector on the member for selective engagement of a first subset of the weights;

providing a second selector on the member for selective engagement of a discrete, second subset of the weights;

operating the first selector in a first manner to selectively engage a desired number of the weights in the first subset; and

operating the second selector in a discrete, second manner to selectively engage a desired number of the weights in the second subset, wherein operation of the second selector involves rotating the second selector into overlapping engagement with the desired number of the weights in the second subset.

2. The method of claim 1, wherein operation of the first selector involves moving the first selector parallel to the handle into overlapping engagement with the desired number of the weights in the first subset.

3. The method of claim 1, wherein the second selector is configured and arranged to span the handle, and the operating step associated with the second selector affects how many weights are engaged at both ends of the handle.

4. A method of adjusting resistance to exercise, comprising the steps of:

providing a first group of weights and a second group of weights;

supporting the groups of weights in respective rest positions;

providing a member having an intermediate handle sized and configured for grasping, and opposite first and second end portions sized and configured for movement into and out of alignment with respective said groups;

providing a first selector on the member for selective engagement of a first subset of the weights;

providing a second selector, configured and arranged to span the handle, on the member for selective engagement of a discrete, second subset of the weights, including at least one weight in each of the groups;

operating the first selector in a first manner to selectively engage a desired number of the weights in the first subset; and

operating the second selector in a discrete, second manner to selectively engage a desired number of the weights in the second subset, wherein operation of the second selector affects how many weights are engaged at both ends of the handle.

5. The method of claim 4, wherein operation of the first selector involves moving the first selector parallel to the handle from a first position underlying less than all of the weights in the first subset, to a second position underlying all of the weights in the first subset.

6. The method of claim 5, wherein operation of the second selector involves rotating the second selector from a first orientation underlying less than all of the weights in the second subset, to a second orientation underlying all of the weights in the second subset.

7. The method of claim 4, wherein operation of the second selector involves rotating the second selector from a first orientation underlying less than all of the weights in the second subset, to a second orientation underlying all of the weights in the second subset.

8. A method of adjusting resistance to exercise, comprising the steps of:

providing a first group of weights and a second group of weights;

supporting the weights in respective rest positions;

providing a member having an intermediate handle sized and configured for grasping, and opposite first and second end portions sized and configured for movement into and out of alignment with respective said groups;

providing a first type of weight selector on the member for selective engagement of a first subset of the weights;

providing a discrete, second type of weight selector on the member for selective engagement of a discrete, second subset of the weights;

operating the first type of weight selector to selectively engage a desired number of the weights in the first subset in a first manner; and

operating the second type of weight selector to selectively engage a desired number of the weights in the second subset in a discrete, second manner.

9. The method of claim 8, wherein operation of the first type of weight selector involves moving the first type of weight selector parallel to the handle from a first position underlying less than all of the weights in the first subset, to a second position underlying all of the weights in the first subset.

10. The method of claim 9, wherein operation of the second type of weight selector involves rotating the second type of weight selector from a first orientation underlying less than all of the weights in the second subset, to a second orientation underlying all of the weights in the second subset.

11. The method of claim 8, wherein operation of the second type of weight selector involves rotating the second type of weight selector from a first orientation underlying less than all of the weights in the second subset, to a second orientation underlying all of the weights in the second subset.

12. The method of claim 8, further comprising the steps of providing another first type of weight selector on the member for selective engagement of a discrete, third subset of the weights;

and operating the another first type of weight selector to selectively engage a desired number of the weights in the third subset in the first manner.