US3541990A - Wrist engaging arrangement for handles to be gripped by a towed water or land skier or the like - Google Patents

Wrist engaging arrangement for handles to be gripped by a towed water or land skier or the like Download PDF

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Publication number
US3541990A
US3541990A US811141A US3541990DA US3541990A US 3541990 A US3541990 A US 3541990A US 811141 A US811141 A US 811141A US 3541990D A US3541990D A US 3541990DA US 3541990 A US3541990 A US 3541990A
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wrist
skier
gripped
bar
handles
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US811141A
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Frank M Du Mas
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FRANK M DU MAS
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FRANK M DU MAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/60—Arrangements for towing, e.g. for use with water-skis or wakeboards
    • B63B34/63—Holding means for the user, e.g. handle bars or harnesses
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4001—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor
    • A63B21/4017—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor to the upper limbs

Definitions

  • ABSTRACT A bar intended to be attached to a towrope and of a size to be gripped by the hand has connected with it a wrist engaging member which has a first generally flat portion connected to the bar and extending from the bar by a distance substantially equal to the distance between the center of the palm and the beginning of the wrist and a wrist engaging portion having a part for engaging the inside of the wrist with inwardly bent wings on each edge of the part for engaging the sides of the wrist. The free edges of the wings are spaced apart.
  • the wrist engaging member is formed of plastic or metal of sufficient resiliency to permit it to release the wrist of the wearer in case of a fall.
  • the wrist engaging member may be separate from the bar and be connected by a portion curled around the bar which is also sufficiently flexible to come off the bar in the case ofa fall.
  • the invention relates to a gripping arrangement for use by persons being towed as in water or land skiing.
  • the invention provides a device which permits a water skier to ski much farther and longer than he has ever been able to do before. What it does is to assist the skier at the part of his body which gets tired first: either hands or arms but particularly the hands.
  • This device is attached to the ski handles and fits around the wrist and hand in such a way that much of the pull is taken offthe hand and carried by the device.
  • the present device hasin its preferred form a double builtin safety feature in that, for the detachable, snap-on device the part that snaps on to the handle can be designed to have an incomplete closure such that the springy nature of the material will cause the ski device to snap off of the handle if the skier should fall in the water.
  • the amount of force that would be required for this part to snap off can be adjusted for small, medium, and large individuals such that the thickness of the material, the kind of material, and the width will be strong enough to maintain the skier in motion but not so strong as to maintain its hold on. the ski bar under the strong pull exerted when askier falls.
  • a second safety feature is that the cuff coming around the wrist and form fitted to the hand is not completely closed. Since this is made of a springy material such as spring steel coated with some kind of plastic material or, preferably, a-
  • the single safety device of the open wrist band is the main safety feature which permits the release ofthe skier if he should fall into the water.
  • BRIEF DESCRIPTION OF THE DRAWINGS member includes a portion 8 which is curved around the bar P, a generally flatpalm-engaging portion 10 extending therefrom and a second part 12 for engaging the inside of the wrist bent at an angle to the portion 10 and having Wings 14 extending from each edge thereof and having curved spaced inner ends at 16 for engagement around the wrist like a cuff.
  • the bar and the portions 8 are substantially of a size to be gripped in the average human hand.
  • the flat portion 10 is of a size to be engaged by the palm ofthe hand, while the wings l4 engage on opposite sides of the wrist the base of which rests against the part 12.
  • the device is made of either plastic or metal or any material sufficiently yieldingly resilient so that, in case of a fall, the wrist can pull out ofthe space between the wings i6 and in addition if this does not happen, the portions 8 curved around the bar 2 will yield sufficiently so that the bar will escape.
  • FIG. 4 shows a bar 18 formed of one piece, having extending fromit members 20 with wrist-enclosing wings 22, these being of the same shape as the portions 10, 12 and 14 of the first form.
  • FIG. 5 shows how individual grips may be used in pairs, each composed of a bar 24 with projecting portion 26 and wrist engaging wings 28.
  • the device can be made of any springy material such as a plastic and padded with a waterproof material such as foam vinyl which is now used in ski jump vests and ski belts.
  • This 7 material is waterproof, strong, cushiony soft, and resists mildew, rotting, and the like. It also can be molded into almost any shape.
  • the snap-on ski handle of FIGS. 1 to 3 can be used on present ski equipment and can be used both for single handle and double handle slalom ski tow ropes.
  • the single piece molded device of FIGS. 4 and 5 can also be made in a single unified ski handle or in the slalom double ski handle.
  • the foam padding will tend to make all the handles float if they should snap off and fall free intothe water.
  • a wrist-engaging member comprising a first generally flat portion connected to the bar, said portion extending from the be bar by a distance substantially equal to the distance between the center ofthe palm and the beginning ofthe wrist ofa human hand, and a second wrist-engaging portion having a second part for engaging the inside of the .wrist bent away from said first portion, and inwardly bent wings on each edge of said second portion of dimensions to engage the wrist, the free edges ofthe wings being spaced apart, the wings and the first portion being on the same side of said second part, whereby when the wrist is engaged between said wings and the bar is gripped by the hand, the palm of the hand rests on said first portion, said wrist-engaging member being formed of a material of sufficient resilience toallow the wrist to be pulled from between the wings in the event ofa fall.
  • a wrist engaging device for skiers and the like comprising a first bar engaging part bent into a substantially circular shape with a gap therein of a diameter to be gripped by the human hand and a wrist-engaging member integral therewith and including a first generally flat portion connected to said part extending therefrom by a distance substantially equal to the distance between the center of the palm and the beginning of the wrist ofa human hand, and a second wrist-engaging portion having a second part for engaging the inside of the wrist bent away from said first portion, and inwardly bent wings on each edge of said second portion of dimensions to engage the wrist, the free edges of the wings being spaced apart, the wings and the first portion being on the same side of said second part, whereby when the wrist is engaged between said wings and the bar is gripped by the hand, the palm of the hand rests

Description

United States Patent [72] Inventor Frank M. Du Mas 2327 Overton Road, Augusta, Georgia 30904 [21] App1.No. 811,141
[22] Filed March 27, 1969 [45 Patented Nov. 24, 1970 [56] References Cited UNITED STATES PATENTS 993,720 5/1911 Schneider 3,324,818 6/1967 Dunlap 115/6.1
Primary Examiner-Trygve M. Blix Attorney-Jennings Bailey, Jr.
ABSTRACT: A bar intended to be attached to a towrope and of a size to be gripped by the hand has connected with it a wrist engaging member which has a first generally flat portion connected to the bar and extending from the bar by a distance substantially equal to the distance between the center of the palm and the beginning of the wrist and a wrist engaging portion having a part for engaging the inside of the wrist with inwardly bent wings on each edge of the part for engaging the sides of the wrist. The free edges of the wings are spaced apart. The wrist engaging member is formed of plastic or metal of sufficient resiliency to permit it to release the wrist of the wearer in case of a fall. The wrist engaging member may be separate from the bar and be connected by a portion curled around the bar which is also sufficiently flexible to come off the bar in the case ofa fall.
Patented Nov. 24, 1970 7 3,541,990
INVENTOR FRANK M. DU MAS A ATT RNEY WRIST ENGAGING ARRANGEMENT FOR HANDLES TO BE GRIPPED BY A TOWEI) WATER'OR LAND SKIER OR THE LIKE BACKGROUND OF THE INVENTION l. Field ofthe Invention The invention relates to a gripping arrangement for use by persons being towed as in water or land skiing.
2. Description of the Prior Art Various types of wrist engaging devices are known for use in connection with handles gripped by skiers. This includes various arrangements for engagement around the wrist. However such arrangements are dangerous because they do not release the skier in case ofa fall, which is likely to cause serious injury particularly at high speeds. Failure to use such devices may, however, be extremely tiring.
When the hand forms around a ski handle it forms essentially a hook. All other parts of the body in water skiing either can remain stable or relatively relaxed but the hand must constantly form a hook as it wraps around the ski handle if the skier is to stay in motion. Many skiers do dangerous things such as hooking their elbows through the ski handle or tying it around their waist. If a'skier should fall under these conditions with a 2,000-pound test nylon rope he could easily be maimed or even killed.
SUMMARY OF THE INVENTION The invention provides a device which permits a water skier to ski much farther and longer than he has ever been able to do before. What it does is to assist the skier at the part of his body which gets tired first: either hands or arms but particularly the hands. This device is attached to the ski handles and fits around the wrist and hand in such a way that much of the pull is taken offthe hand and carried by the device.
The present device hasin its preferred form a double builtin safety feature in that, for the detachable, snap-on device the part that snaps on to the handle can be designed to have an incomplete closure such that the springy nature of the material will cause the ski device to snap off of the handle if the skier should fall in the water. The amount of force that would be required for this part to snap off can be adjusted for small, medium, and large individuals such that the thickness of the material, the kind of material, and the width will be strong enough to maintain the skier in motion but not so strong as to maintain its hold on. the ski bar under the strong pull exerted when askier falls.
A second safety feature is that the cuff coming around the wrist and form fitted to the hand is not completely closed. Since this is made of a springy material such as spring steel coated with some kind of plastic material or, preferably, a-
springy plastic which is very tough and capable of being molded.
If a single unit ski handle is used, then the single safety device of the open wrist band is the main safety feature which permits the release ofthe skier if he should fall into the water.
BRIEF DESCRIPTION OF THE DRAWINGS member includes a portion 8 which is curved around the bar P, a generally flatpalm-engaging portion 10 extending therefrom and a second part 12 for engaging the inside of the wrist bent at an angle to the portion 10 and having Wings 14 extending from each edge thereof and having curved spaced inner ends at 16 for engagement around the wrist like a cuff.
The bar and the portions 8 are substantially of a size to be gripped in the average human hand. The flat portion 10 is of a size to be engaged by the palm ofthe hand, while the wings l4 engage on opposite sides of the wrist the base of which rests against the part 12.
The device is made of either plastic or metal or any material sufficiently yieldingly resilient so that, in case of a fall, the wrist can pull out ofthe space between the wings i6 and in addition if this does not happen, the portions 8 curved around the bar 2 will yield sufficiently so that the bar will escape.
The form of FIGS. 4 and 5 does not have this latter feature. FIG. 4 shows a bar 18 formed of one piece, having extending fromit members 20 with wrist-enclosing wings 22, these being of the same shape as the portions 10, 12 and 14 of the first form.
FIG. 5 shows how individual grips may be used in pairs, each composed of a bar 24 with projecting portion 26 and wrist engaging wings 28.
The device can be made of any springy material such as a plastic and padded with a waterproof material such as foam vinyl which is now used in ski jump vests and ski belts. This 7 material is waterproof, strong, cushiony soft, and resists mildew, rotting, and the like. It also can be molded into almost any shape.
The snap-on ski handle of FIGS. 1 to 3 can be used on present ski equipment and can be used both for single handle and double handle slalom ski tow ropes. The single piece molded device of FIGS. 4 and 5 can also be made in a single unified ski handle or in the slalom double ski handle. The foam padding will tend to make all the handles float if they should snap off and fall free intothe water.
These devices also have a wide range of other possible uses such as: snow skiing behind horses, snowmobiles or other vehicles; water skiing, either being pulled by land vehicles in a canal or on the open water, kite skiing where individuals ski I along and then rise into the air with the help of a large kite; roller skating behind a power vehicle of some sort, or even behind an airplane. There are a wide variety of uses to which it could be put. The main advantages are that it facilitates the long, continued enjoyment of a sport while at the same time making the sport far less dangerous and far safer.
Iclaim:
In combination with a bar of a diameter to be readily gripped by the human hand and having a portion to which a rope can be secured, a wrist-engaging member comprising a first generally flat portion connected to the bar, said portion extending from the be bar by a distance substantially equal to the distance between the center ofthe palm and the beginning ofthe wrist ofa human hand, and a second wrist-engaging portion having a second part for engaging the inside of the .wrist bent away from said first portion, and inwardly bent wings on each edge of said second portion of dimensions to engage the wrist, the free edges ofthe wings being spaced apart, the wings and the first portion being on the same side of said second part, whereby when the wrist is engaged between said wings and the bar is gripped by the hand, the palm of the hand rests on said first portion, said wrist-engaging member being formed of a material of sufficient resilience toallow the wrist to be pulled from between the wings in the event ofa fall.
2. In a device as claimed in claim 1, said first portion being connected to the bar bya part integral therewith partially surrounding the bar. i
3. A wrist engaging device for skiers and the like comprising a first bar engaging part bent into a substantially circular shape with a gap therein of a diameter to be gripped by the human hand and a wrist-engaging member integral therewith and including a first generally flat portion connected to said part extending therefrom by a distance substantially equal to the distance between the center of the palm and the beginning of the wrist ofa human hand, and a second wrist-engaging portion having a second part for engaging the inside of the wrist bent away from said first portion, and inwardly bent wings on each edge of said second portion of dimensions to engage the wrist, the free edges of the wings being spaced apart, the wings and the first portion being on the same side of said second part, whereby when the wrist is engaged between said wings and the bar is gripped by the hand, the palm of the hand rests
US811141A 1969-03-27 1969-03-27 Wrist engaging arrangement for handles to be gripped by a towed water or land skier or the like Expired - Lifetime US3541990A (en)

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235182A (en) * 1977-05-25 1980-11-25 Reinhard Burger Traction arrangement for use by a sail surfer or water skier
DE3300712A1 (en) * 1983-01-11 1984-07-26 Heinz 8000 München Leutheuser Pull-up aid
US4487412A (en) * 1983-07-11 1984-12-11 Meeko Joseph J Weight lifting grips
US4591150A (en) * 1983-06-13 1986-05-27 Mosher Bruce A Exercise device
US4720279A (en) * 1985-07-08 1988-01-19 Fritschen Charles L Hook water sports hand grip
US4759306A (en) * 1983-07-14 1988-07-26 Mckenzie Peter H H Supporting assemblies
US4807876A (en) * 1987-02-23 1989-02-28 Bhl - Sportartikel - Vertriebs Gmbh Lift/tow assistance device to relieve the lower arm in sporting activities using equipments
US4809974A (en) * 1987-11-02 1989-03-07 Buhr Tony W Method of attaching a wrist to a bar for exercising
USD316348S (en) * 1984-08-06 1991-04-23 Fiam S.R.L. Table
US5350343A (en) * 1993-10-27 1994-09-27 Dasilva Elias S Multi-functional hand gripping device
US5471681A (en) * 1994-01-31 1995-12-05 Ferrini; Tom Glove having a hook for steadily holding a container
US5685809A (en) * 1995-10-05 1997-11-11 Murray; Jeffrey Lee Hand appliance for quadriplegic kinestherapy
US5846168A (en) * 1995-10-05 1998-12-08 Murray; Jeffrey L. Hand appliance for quadriplegic kinestherapy
US5947871A (en) * 1997-11-24 1999-09-07 Bryan S. Gilcrease Hand grip exerciser
WO2002087708A1 (en) * 2001-05-02 2002-11-07 Filip Forslid Gripping device
US20030130696A1 (en) * 2002-01-08 2003-07-10 Hurd Neal Russell Method and portable apparatus for spinal adjustment
US20050177982A1 (en) * 2004-02-17 2005-08-18 Parlante Richard B. Hand grip device
US7000258B1 (en) * 2004-09-20 2006-02-21 William Anthony Nunally Pulling glove
US20070130664A1 (en) * 2005-12-12 2007-06-14 Mark Hildebrandt Hand harness for exercise equipment
US20090197742A1 (en) * 2008-02-04 2009-08-06 James Hartman Exercise Grip Device
US20100197470A1 (en) * 2009-02-04 2010-08-05 James Hartman Exercise Grip Device
US20110130257A1 (en) * 2008-02-04 2011-06-02 James Hartman Exercise Grip Device
US20110256992A1 (en) * 2010-04-19 2011-10-20 Lonny Grafman Bar Grip
US20130287971A1 (en) * 2012-04-30 2013-10-31 Dennis Caldwell Arm Supported Wing Creature Prop
US20130303348A1 (en) * 2012-05-09 2013-11-14 Daniel Edward Cardin Exercise equipment handle
US20150237995A1 (en) * 2014-02-26 2015-08-27 Mark Jonathan Buller Assistive Apparatus For Hand Held Vessels or Items
GB2553084A (en) * 2016-05-13 2018-02-28 Carryax Ltd Hand-held load distribution device
US10206803B2 (en) * 2015-07-13 2019-02-19 Landon KOTCHAPAW Tool supporting wrist brace
US20190134453A1 (en) * 2017-11-03 2019-05-09 Leroy McGuire Weightlifting Glove and Hook Assembly
USD876559S1 (en) * 2019-07-08 2020-02-25 Power Gripps Usa, Inc. Weightlifting grip
USD877268S1 (en) * 2019-07-08 2020-03-03 Power Gripps Usa, Inc. Weightlifting grip
USD929508S1 (en) * 2017-04-19 2021-08-31 Cornell Conaway Exercise grip device
US20240082624A1 (en) * 2022-09-12 2024-03-14 Jeremy Abel Ganz Weight glove clamp

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235182A (en) * 1977-05-25 1980-11-25 Reinhard Burger Traction arrangement for use by a sail surfer or water skier
DE3300712A1 (en) * 1983-01-11 1984-07-26 Heinz 8000 München Leutheuser Pull-up aid
US4591150A (en) * 1983-06-13 1986-05-27 Mosher Bruce A Exercise device
US4487412A (en) * 1983-07-11 1984-12-11 Meeko Joseph J Weight lifting grips
US4759306A (en) * 1983-07-14 1988-07-26 Mckenzie Peter H H Supporting assemblies
USD316348S (en) * 1984-08-06 1991-04-23 Fiam S.R.L. Table
US4720279A (en) * 1985-07-08 1988-01-19 Fritschen Charles L Hook water sports hand grip
US4807876A (en) * 1987-02-23 1989-02-28 Bhl - Sportartikel - Vertriebs Gmbh Lift/tow assistance device to relieve the lower arm in sporting activities using equipments
US4809974A (en) * 1987-11-02 1989-03-07 Buhr Tony W Method of attaching a wrist to a bar for exercising
US5350343A (en) * 1993-10-27 1994-09-27 Dasilva Elias S Multi-functional hand gripping device
US5471681A (en) * 1994-01-31 1995-12-05 Ferrini; Tom Glove having a hook for steadily holding a container
US5685809A (en) * 1995-10-05 1997-11-11 Murray; Jeffrey Lee Hand appliance for quadriplegic kinestherapy
US5846168A (en) * 1995-10-05 1998-12-08 Murray; Jeffrey L. Hand appliance for quadriplegic kinestherapy
US5947871A (en) * 1997-11-24 1999-09-07 Bryan S. Gilcrease Hand grip exerciser
WO2002087708A1 (en) * 2001-05-02 2002-11-07 Filip Forslid Gripping device
US20040119305A1 (en) * 2001-05-02 2004-06-24 Filip Forslid Gripping device
US6849036B2 (en) 2001-05-02 2005-02-01 Filip Forslid Gripping device
US20030130696A1 (en) * 2002-01-08 2003-07-10 Hurd Neal Russell Method and portable apparatus for spinal adjustment
US7137961B2 (en) * 2002-01-08 2006-11-21 Neal Russell Hurd Method and portable apparatus for spinal adjustment
US20050177982A1 (en) * 2004-02-17 2005-08-18 Parlante Richard B. Hand grip device
US7000258B1 (en) * 2004-09-20 2006-02-21 William Anthony Nunally Pulling glove
US7490363B2 (en) 2005-12-12 2009-02-17 Nustep, Inc. Hand harness for exercise equipment
US20070130664A1 (en) * 2005-12-12 2007-06-14 Mark Hildebrandt Hand harness for exercise equipment
US20090197742A1 (en) * 2008-02-04 2009-08-06 James Hartman Exercise Grip Device
US20110130257A1 (en) * 2008-02-04 2011-06-02 James Hartman Exercise Grip Device
US8128542B2 (en) * 2008-02-04 2012-03-06 Grip4Orce Llc Exercise grip device
US20100197470A1 (en) * 2009-02-04 2010-08-05 James Hartman Exercise Grip Device
US8128541B2 (en) * 2009-02-04 2012-03-06 Grip4Orce, Llc Exercise grip device
US20110256992A1 (en) * 2010-04-19 2011-10-20 Lonny Grafman Bar Grip
US8777816B2 (en) * 2010-04-19 2014-07-15 Lonny Grafman Bar grip
US20130287971A1 (en) * 2012-04-30 2013-10-31 Dennis Caldwell Arm Supported Wing Creature Prop
US20130303348A1 (en) * 2012-05-09 2013-11-14 Daniel Edward Cardin Exercise equipment handle
US20150237995A1 (en) * 2014-02-26 2015-08-27 Mark Jonathan Buller Assistive Apparatus For Hand Held Vessels or Items
US9237796B2 (en) * 2014-02-26 2016-01-19 Theresa Rose Finch Assistive apparatus for hand held vessels or items
US10206803B2 (en) * 2015-07-13 2019-02-19 Landon KOTCHAPAW Tool supporting wrist brace
GB2553084A (en) * 2016-05-13 2018-02-28 Carryax Ltd Hand-held load distribution device
GB2553084B (en) * 2016-05-13 2018-08-08 Carryax Ltd Hand-held load distribution device
USD929508S1 (en) * 2017-04-19 2021-08-31 Cornell Conaway Exercise grip device
US20190134453A1 (en) * 2017-11-03 2019-05-09 Leroy McGuire Weightlifting Glove and Hook Assembly
US10486011B2 (en) * 2017-11-03 2019-11-26 Leroy McGuire Weightlifting glove and hook assembly
USD876559S1 (en) * 2019-07-08 2020-02-25 Power Gripps Usa, Inc. Weightlifting grip
USD877268S1 (en) * 2019-07-08 2020-03-03 Power Gripps Usa, Inc. Weightlifting grip
US20240082624A1 (en) * 2022-09-12 2024-03-14 Jeremy Abel Ganz Weight glove clamp
US11957950B2 (en) * 2022-09-12 2024-04-16 Jeremy Abel Ganz Weight glove clamp

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