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US20020003364A1 - Bicycle saddle with cut out - Google Patents

Bicycle saddle with cut out Download PDF

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Publication number
US20020003364A1
US20020003364A1 US09/878,719 US87871901A US2002003364A1 US 20020003364 A1 US20020003364 A1 US 20020003364A1 US 87871901 A US87871901 A US 87871901A US 2002003364 A1 US2002003364 A1 US 2002003364A1
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US
United States
Prior art keywords
layer
seat
frame
resilient material
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US09/878,719
Inventor
Roger Minkow
Lance Bohlen
Robert Egger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US09/878,719 priority Critical patent/US20020003364A1/en
Publication of US20020003364A1 publication Critical patent/US20020003364A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/002—Saddles having a seating area with a central cavity or depression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/007—Saddles with specific anatomical adaptations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/18—Covers for saddles or other seats; Paddings
    • B62J1/26—Paddings involving other resilient material, e.g. sponge rubber with inflatable compartments

Definitions

  • the present invention relates to the field of bicycle seats, and more specifically, to anatomically correct support provided by a seat.
  • Bicycle seats, or saddles have traditionally been designed with a convex profile such that they fit between the body's ischial tuberosities (“sit bones”) with a small protrusion tucked up in the crotch.
  • the crotch area of the body contains nerves and pudendal arteries leading to the penis. These arteries carry blood flow that enables erection. Sitting on traditional bicycle seat can increase the pressure in the pudendal arteries causing a decrease in blood flow. This decrease in blood flow may cause numbness potentially leading to impotency in certain male bicycle riders. Therefore, it is desirable to have a seat with a construction that is designed to eliminate these problems.
  • the present invention pertains to a bicycle seat with a base having a front which broadens towards a rear having a notched groove.
  • the base includes a rigid frame and a first layer connected to the frame.
  • a connector is attached to the base for connecting the seat to the bicycle.
  • Another aspect of the present invention includes a second layer of resilient material located between the frame and the first layer that is denser than the first layer material to prevent the rider from bottoming out on the frame.
  • Yet another aspect of the present invention includes a groove with dimensions approximately equal to the dimensions of a human body ischial tuberosities such that pressure is reduced on the internal pudendal arteries.
  • FIG. 1 shows a top perspective of a bicycle seat having a groove cut out of the rear of the seat.
  • FIG. 2 shows a cross-section of a bicycle seat that implements one embodiment of the present invention.
  • FIG. 3 shows an alternate embodiment of the seat having a cavity cut out of a foam layer.
  • FIG. 4 shows a top view of the ischial tuberosities in relation to one embodiment of the seat cut out.
  • FIG. 5 shows a cross section of the ischial tuberosities in relation to a rear view of one embodiment of the seat cut out.
  • FIG. 6 shows an alternate embodiment of the seat having a beveled groove.
  • a bicycle seat with cut out is described.
  • the seat is designed to reduce the side effects attributable to seat pressure on the crotch area of a bicycle rider.
  • the seat reduces pressure on the internal pudendal arteries and prevents decreased blood flow that may cause numbness and impotency in some male riders.
  • FIG. 1 shows a top perspective of one embodiment of the bicycle seat having a triangular groove, or notch, 15 cut out of the rear of seat 10 .
  • the seat has a resilient material layer 30 on top of a frame 20 .
  • the configuration of groove 15 is designed to match the anatomy of the ischial tuberosities of the pelvis in an anatomically correct way to relieve pressure on the pudendal arteries.
  • the interior of groove 15 is notched and beveled.
  • a notch is defined as a V-shaped cut that begins at the rear of the seat and narrows as it extends towards the front of seat 10 .
  • Beveled is defined as an angle formed by the top surface of the seat and the interior surface of the groove that is less than 90 degrees.
  • groove 15 measures approximately 21 ⁇ 4′′ wide at its rear, extends up to 10′′ into seat 10 , and is beveled at approximately a 60 degree angle. These dimensions can be varied to accommodate different sized pelvic structures and intended uses.
  • groove opening 15 is bridged such that a rigid material spans and connects one side of groove opening 15 to the other side.
  • the opening of groove 15 can be in the form of a different shape such as a rectangle, ellipse, or hyperbola.
  • FIG. 2 shows a cross-section of one embodiment of seat 10 .
  • Frame 20 is constructed from plastic or another rigid material such as titanium or aluminum.
  • a connecting bar 50 is attached to the underside of frame 20 to attach seat 10 to a bicycle seat post (not shown).
  • Resilient layer 30 is on top of frame 20 .
  • layer 30 can be constructed from many resilient or elastic materials such as a polyurethane foam or gel.
  • another resilient material layer 40 is between frame 20 and layer 30 .
  • Layer 40 is bonded to layer 30 .
  • Layer 40 consists of a high resiliency polyurethane foam. The foam has a durometer reading in the range of 40-50 durometer units.
  • layers 30 and 40 can be constructed from other resilient or elastic materials that are well known to those skilled in the art.
  • layer 40 is constructed from a material that is denser than layer 30 to prevent the rider from bottoming out on frame 20 .
  • Bottoming out is a condition that occurs when the layers have fully compressed under weight. This results in the rider in effect sitting on the frame, not supported by the layers.
  • seat 10 contains only layer 30 over frame 20 . Yet another embodiment of seat 10 contains only layer 40 over frame 20 .
  • the typical thickness of layers 30 and 40 can vary from approximately ⁇ fraction (1/16) ⁇ ′′ to 1′′.
  • An outer layer 35 is used to cover layers 30 and 40 and attaches to frame 20 .
  • Outer layer 35 is a synthetic material.
  • outer layer 35 may be constructed from other materials such as leather or fabric.
  • FIG. 3 shows an alternate embodiment of seat 10 having a triangular cavity cut out of layer 30 .
  • the cavity can be different shapes such as a rectangle, ellipse, or hyperbola.
  • the cavity can also be cut out of either, or both, layers 30 , 40 and frame 20 .
  • the cavity is also cut out of the rear of seat 10 forming a groove as described above.
  • the configuration of the cut out is designed to match the anatomy of the ischial tuberosities of the pelvis in an anatomically correct way to relieve pressure from the pudendal arteries.
  • the distance between the ischial tuberosities of an adult varies between approximately 2′′ to 41 ⁇ 2′′.
  • the cut out is large enough so that there is space underneath the pelvis between the ischial tuberosities along the length of the pudendal arteries.
  • the top surface of seat 10 is approximately flat.
  • FIG. 4 shows a top view of the ischial tuberosities in relation to one embodiment of the cut out.
  • FIG. 5 shows a cross sectional view of the ischial tuberosities in relation to a rear view of one embodiment of the cut out.
  • FIG. 6 shows an alternate embodiment of seat 10 where the groove in layers 30 and 40 extends forward further than the groove in frame 20 .
  • the groove is notched with each layer beveled to a greater extent than the layer beneath it such that layer 40 extends farther forward than frame 20 and layer 30 extents farther forward than layer 40 .
  • This configuration allows for space for the scrotum while providing uniform support of the user through the entire range of foam layer compression. As the beveled layers 30 and 40 compress, the user's body comes in surface contact with more of the seat thereby increasing the support to the user.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

A bicycle seat with a base having a front which broadens towards a rear that has a notched groove. A connector is attached to the base.

Description

    REFERENCE TO RELATED APPLICATION
  • This application claims the benefit of U.S. Provisional Application No. 60/062,979.[0001]
    • FIELD OF THE INVENTION
  • The present invention relates to the field of bicycle seats, and more specifically, to anatomically correct support provided by a seat. [0002]
    • BACKGROUND
  • Bicycle seats, or saddles, have traditionally been designed with a convex profile such that they fit between the body's ischial tuberosities (“sit bones”) with a small protrusion tucked up in the crotch. [0003]
  • Prior bicycle seats cause saddle-related numbness in both male and female riders. This numbness results from pressure on perineal areas which can actually increase as riders sink farther into traditional seats. [0004]
  • In female riders, the arch of the pubic symphysis is shallow. Sitting on traditional bicycle seats can compress tender genital tissues against the seat causing irritation to the genitals. [0005]
  • In male riders, the crotch area of the body contains nerves and pudendal arteries leading to the penis. These arteries carry blood flow that enables erection. Sitting on traditional bicycle seat can increase the pressure in the pudendal arteries causing a decrease in blood flow. This decrease in blood flow may cause numbness potentially leading to impotency in certain male bicycle riders. Therefore, it is desirable to have a seat with a construction that is designed to eliminate these problems. [0006]
    • SUMMARY OF THE INVENTION
  • The present invention pertains to a bicycle seat with a base having a front which broadens towards a rear having a notched groove. The base includes a rigid frame and a first layer connected to the frame. A connector is attached to the base for connecting the seat to the bicycle. [0007]
  • Another aspect of the present invention includes a second layer of resilient material located between the frame and the first layer that is denser than the first layer material to prevent the rider from bottoming out on the frame. [0008]
  • Yet another aspect of the present invention includes a groove with dimensions approximately equal to the dimensions of a human body ischial tuberosities such that pressure is reduced on the internal pudendal arteries. [0009]
  • Other features and advantages of the present invention will be apparent from the accompanying drawings and from the detailed description that follows. [0010]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention is illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar elements and in which: [0011]
  • FIG. 1 shows a top perspective of a bicycle seat having a groove cut out of the rear of the seat. [0012]
  • FIG. 2 shows a cross-section of a bicycle seat that implements one embodiment of the present invention. [0013]
  • FIG. 3 shows an alternate embodiment of the seat having a cavity cut out of a foam layer. [0014]
  • FIG. 4 shows a top view of the ischial tuberosities in relation to one embodiment of the seat cut out. [0015]
  • FIG. 5 shows a cross section of the ischial tuberosities in relation to a rear view of one embodiment of the seat cut out. [0016]
  • FIG. 6 shows an alternate embodiment of the seat having a beveled groove. [0017]
    • DETAILED DESCRIPTION
  • A bicycle seat with cut out is described. The seat is designed to reduce the side effects attributable to seat pressure on the crotch area of a bicycle rider. The seat reduces pressure on the internal pudendal arteries and prevents decreased blood flow that may cause numbness and impotency in some male riders. [0018]
  • FIG. 1 shows a top perspective of one embodiment of the bicycle seat having a triangular groove, or notch, [0019] 15 cut out of the rear of seat 10. The seat has a resilient material layer 30 on top of a frame 20. The configuration of groove 15 is designed to match the anatomy of the ischial tuberosities of the pelvis in an anatomically correct way to relieve pressure on the pudendal arteries. For one embodiment of the seat the interior of groove 15 is notched and beveled. A notch is defined as a V-shaped cut that begins at the rear of the seat and narrows as it extends towards the front of seat 10. Beveled is defined as an angle formed by the top surface of the seat and the interior surface of the groove that is less than 90 degrees. For example, groove 15 measures approximately 2¼″ wide at its rear, extends up to 10″ into seat 10, and is beveled at approximately a 60 degree angle. These dimensions can be varied to accommodate different sized pelvic structures and intended uses. In another embodiment, groove opening 15 is bridged such that a rigid material spans and connects one side of groove opening 15 to the other side.
  • In other embodiments, the opening of [0020] groove 15 can be in the form of a different shape such as a rectangle, ellipse, or hyperbola.
  • FIG. 2 shows a cross-section of one embodiment of [0021] seat 10. Frame 20 is constructed from plastic or another rigid material such as titanium or aluminum. A connecting bar 50 is attached to the underside of frame 20 to attach seat 10 to a bicycle seat post (not shown). Resilient layer 30 is on top of frame 20. As is known to those skilled in the art, layer 30 can be constructed from many resilient or elastic materials such as a polyurethane foam or gel.
  • In another embodiment, another [0022] resilient material layer 40 is between frame 20 and layer 30. Layer 40 is bonded to layer 30. Layer 40 consists of a high resiliency polyurethane foam. The foam has a durometer reading in the range of 40-50 durometer units. In other embodiments, layers 30 and 40 can be constructed from other resilient or elastic materials that are well known to those skilled in the art.
  • In another embodiment, [0023] layer 40 is constructed from a material that is denser than layer 30 to prevent the rider from bottoming out on frame 20. Bottoming out is a condition that occurs when the layers have fully compressed under weight. This results in the rider in effect sitting on the frame, not supported by the layers.
  • An alternative embodiment of [0024] seat 10 contains only layer 30 over frame 20. Yet another embodiment of seat 10 contains only layer 40 over frame 20.
  • The typical thickness of [0025] layers 30 and 40 can vary from approximately {fraction (1/16)}″ to 1″. An outer layer 35 is used to cover layers 30 and 40 and attaches to frame 20. Outer layer 35 is a synthetic material. For other embodiments, outer layer 35 may be constructed from other materials such as leather or fabric.
  • FIG. 3 shows an alternate embodiment of [0026] seat 10 having a triangular cavity cut out of layer 30. In other embodiments, the cavity can be different shapes such as a rectangle, ellipse, or hyperbola. The cavity can also be cut out of either, or both, layers 30, 40 and frame 20. In other embodiments the cavity is also cut out of the rear of seat 10 forming a groove as described above.
  • The configuration of the cut out is designed to match the anatomy of the ischial tuberosities of the pelvis in an anatomically correct way to relieve pressure from the pudendal arteries. The distance between the ischial tuberosities of an adult varies between approximately 2″ to 4½″. The cut out is large enough so that there is space underneath the pelvis between the ischial tuberosities along the length of the pudendal arteries. In another embodiment, the top surface of [0027] seat 10 is approximately flat. FIG. 4 shows a top view of the ischial tuberosities in relation to one embodiment of the cut out. FIG. 5 shows a cross sectional view of the ischial tuberosities in relation to a rear view of one embodiment of the cut out.
  • FIG. 6 shows an alternate embodiment of [0028] seat 10 where the groove in layers 30 and 40 extends forward further than the groove in frame 20. The groove is notched with each layer beveled to a greater extent than the layer beneath it such that layer 40 extends farther forward than frame 20 and layer 30 extents farther forward than layer 40. This configuration allows for space for the scrotum while providing uniform support of the user through the entire range of foam layer compression. As the beveled layers 30 and 40 compress, the user's body comes in surface contact with more of the seat thereby increasing the support to the user.
  • In the foregoing specification, the invention has been described with reference to specific exemplary embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention as set forth in the appended claims. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense. [0029]

Claims (18)

What is claimed is:
1. A seat, comprising:
a base having a front which broadens towards a rear, the rear having a groove, and
a connector attached to the base.
2. The seat of claim 1, wherein the base comprises:
a rigid frame, and
a first layer connected to the frame.
3. The seat of claim 2, further comprising:
a second layer disposed between the first layer and the frame.
4. The seat of claim 3, wherein:
the first layer is constructed of a resilient material, and
the second layer is constructed of a resilient material that is denser than the first layer resilient material.
5. The seat of claim 4, wherein the groove has a dimension matching an ischial tuberosities dimension whereby pressure is reduced on the internal pudendal arteries.
6. The seat of claim 1, wherein the groove is beveled.
7. The seat of claim 3, wherein:
the second layer is beveled to a greater extent than the frame, and
the first layer is beveled to a greater extent than the second layer.
8. The seat of claim 7, wherein the groove has a dimension matching an ischial tuberosities dimension whereby pressure is reduced on the internal pudendal arteries.
9. A seat, comprising:
a connector;
a base attached to the connector, the base having a front which broadens towards a rear, the rear having a groove, the base further comprising:
a rigid frame;
a first layer constructed of a resilient material connected to the frame, and
a second layer constructed of a resilient material that is denser than the first layer resilient material, the second layer disposed between the first layer and the frame, wherein the second layer is beveled to a greater extent than the frame and the first layer is beveled to a greater extent than the second layer.
10. A seat, comprising:
a base having a font which broadens towards a rear; the rear having a notched groove, wherein the base further comprises:
a rigid frame, and
a resilient material layer connected to the frame, wherein the resilient material layer is beveled at a greater angle than the frame.
11. The seat of claim 10, wherein the notched groove has a dimension matching an ischial tuberosities dimension whereby pressure is reduced on the internal pudendal arteries.
12. A seat, comprising:
a base having a front which broadens towards a rear; the base having a cavity extending from near the rear towards near the front of the seat.
13. The seat of claim 12, wherein the base comprises:
a rigid frame, and
a first layer connected to the frame.
14. The seat of claim 13, further comprising:
a second layer disposed between the first layer and the frame.
15. The seat of claim 14, wherein:
the first layer is constructed of a resilient material, and
the second layer is constructed of a resilient material that is denser than the first layer resilient material.
16. The seat of claim 12, wherein the cavity is beveled.
17. The seat of claim 14, wherein:
the second layer is beveled to a greater extent than the frame, and
the first layer is beveled to a greater extent than the second layer.
18. The seat of claim 17, wherein the cavity has a dimension matching an ischial tuberosities dimension whereby pressure is reduced on the internal pudendal arteries.
US09/878,719 1997-10-18 2001-06-11 Bicycle saddle with cut out Abandoned US20020003364A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/878,719 US20020003364A1 (en) 1997-10-18 2001-06-11 Bicycle saddle with cut out

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6297997P 1997-10-18 1997-10-18
US17273898A 1998-10-14 1998-10-14
US09/452,546 US6106059A (en) 1997-10-18 1999-12-01 Bicycle saddle with cut out
US09/583,348 US6244655B1 (en) 1997-10-18 2000-05-31 Bicycle saddle with cut out
US09/878,719 US20020003364A1 (en) 1997-10-18 2001-06-11 Bicycle saddle with cut out

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/583,348 Continuation US6244655B1 (en) 1997-10-18 2000-05-31 Bicycle saddle with cut out

Publications (1)

Publication Number Publication Date
US20020003364A1 true US20020003364A1 (en) 2002-01-10

Family

ID=26742930

Family Applications (3)

Application Number Title Priority Date Filing Date
US09/452,546 Expired - Lifetime US6106059A (en) 1997-10-18 1999-12-01 Bicycle saddle with cut out
US09/583,348 Expired - Lifetime US6244655B1 (en) 1997-10-18 2000-05-31 Bicycle saddle with cut out
US09/878,719 Abandoned US20020003364A1 (en) 1997-10-18 2001-06-11 Bicycle saddle with cut out

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US09/452,546 Expired - Lifetime US6106059A (en) 1997-10-18 1999-12-01 Bicycle saddle with cut out
US09/583,348 Expired - Lifetime US6244655B1 (en) 1997-10-18 2000-05-31 Bicycle saddle with cut out

Country Status (5)

Country Link
US (3) US6106059A (en)
EP (1) EP1024992A1 (en)
CN (1) CN1276765A (en)
AU (1) AU1099399A (en)
WO (1) WO1999020517A1 (en)

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WO1999020517A1 (en) 1999-04-29
US6106059A (en) 2000-08-22

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