US2345085A - Shock absorber for parachute jumpers - Google Patents
Shock absorber for parachute jumpers Download PDFInfo
- Publication number
- US2345085A US2345085A US443194A US44319442A US2345085A US 2345085 A US2345085 A US 2345085A US 443194 A US443194 A US 443194A US 44319442 A US44319442 A US 44319442A US 2345085 A US2345085 A US 2345085A
- Authority
- US
- United States
- Prior art keywords
- shock absorber
- parachute
- held
- jumpers
- plate
- 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.)
- Expired - Lifetime
Links
- 230000035939 shock Effects 0.000 title description 6
- 239000006096 absorbing agent Substances 0.000 title description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B25/00—Stilts or the like
- A63B25/10—Elastic bouncing shoes fastened to the foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D10/00—Flight suits
Definitions
- the purpose of our invention is to provide a shock absorber for parachute jumpers which is attached to the feet and when the jumper hits the ground, the shock is absorbed in our invention and eliminates the danger of injuries to the body, particularly the legs.
- Our invention is simple in design and may be readily attached or detached in a minimum of time and physical efiort.
- Figure 1 is a top plan view.
- Figure 2 is a side view.
- Figure 3 is face plate at front.
- Figure 4 is face plate at rear Figure 5 is a rear View.
- Numeral l is the shock absorber for parachute jumper, one for each leg;
- numeral 2 is the bottom spring plate, the forward end of which is coiled at 3 and wound around bar 4, held in rigid position by means of face plates 5 and locked by cotter-pins B;
- the rear of the bottom spring plate 2 is coiled at I and wound around the bar 8 and held in rigid position by means of face plates 9 and cotter-pins Ill.
- the upper spring plate II is coiled at forward end l2, wound around the bar l3 and held in rigid position by means of face plates 5 and locked by cotter-pins I4.
- the upper spring plate at rear end is coiled around bar and held in rigid position by means of face plates 9 and cotter-pins Hi.
- the upwardly I plate II is the shock absorber for parachute jumper, one for each leg;
- numeral 2 is the bottom spring plate, the forward end of which is coiled at 3 and wound around bar 4, held in rigid position by means of face
- a steel strap [8a is held in secured position and is snapped around the leg being readily attached and detached.
- the strap I8 is placed around the shoe and held in secured position at openings [9 on each of the face plates 9.
- the front shoe strap 20 is inserted through slots 2
- a shock absorber for use on each leg and shoe of a parachute jumper comprising a base spring rolled front and rear over steel bars; an upper plate rolled at each end over steel bars front and rear; a vertical shaft on each side attached to said upper plate; face plates front and rear connecting the adjacent bars and held in place by means Of cotter pins inserted through the holes at the ends of the bars; cushioned springs insertecl between said upper plate and said base spring: a circular steel spring attached to said vertical shafts; said base plate having corrugated grooves at the bottom; and straps on the front and rear of the shock absorber for attachment to the shoe.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- Vibration Dampers (AREA)
Description
March 28, 1944. J. ALBERT ET AL I SHOCK ABSORBER FOR PARAGHUTE JUMPERS Filed May 16, 1942 i 'l lllllllllil g glll INV NTORS Patented Mar. 28, 1944 UNITED STATES PATENT OFFICE SHOCK ABSORBER FOR PARACHUTE JUMPERS Joseph Albert, Brooklyn, and Arthur Ginsburg,
New York, N. Y.
1 Claim.
The purpose of our invention is to provide a shock absorber for parachute jumpers which is attached to the feet and when the jumper hits the ground, the shock is absorbed in our invention and eliminates the danger of injuries to the body, particularly the legs.
Our invention is simple in design and may be readily attached or detached in a minimum of time and physical efiort.
Referring to the drawing:
Figure 1 is a top plan view.
Figure 2 is a side view.
Figure 3 is face plate at front.
Figure 4 is face plate at rear Figure 5 is a rear View.
We attain these objects by the means illustrated in the drawing accompanying this specification, in which Numeral l is the shock absorber for parachute jumper, one for each leg; numeral 2 is the bottom spring plate, the forward end of which is coiled at 3 and wound around bar 4, held in rigid position by means of face plates 5 and locked by cotter-pins B; the rear of the bottom spring plate 2 is coiled at I and wound around the bar 8 and held in rigid position by means of face plates 9 and cotter-pins Ill. The upper spring plate II is coiled at forward end l2, wound around the bar l3 and held in rigid position by means of face plates 5 and locked by cotter-pins I4. The upper spring plate at rear end is coiled around bar and held in rigid position by means of face plates 9 and cotter-pins Hi. The upwardly I plate II.
extending movable bars I! and I1 are held in position on bar I5 by means of face plates 9 (both sides) and cotter-pins l5.
At the top of bar I! a steel strap [8a is held in secured position and is snapped around the leg being readily attached and detached. The strap I8 is placed around the shoe and held in secured position at openings [9 on each of the face plates 9. The front shoe strap 20 is inserted through slots 2| and 2! in the upper spring Grooves or corrugations are shown at 22; cushioned springs are shown at 23.
Slight changes may be made in our invention without departing from the broad scope of the invention.
We claim:
A shock absorber for use on each leg and shoe of a parachute jumper; comprising a base spring rolled front and rear over steel bars; an upper plate rolled at each end over steel bars front and rear; a vertical shaft on each side attached to said upper plate; face plates front and rear connecting the adjacent bars and held in place by means Of cotter pins inserted through the holes at the ends of the bars; cushioned springs insertecl between said upper plate and said base spring: a circular steel spring attached to said vertical shafts; said base plate having corrugated grooves at the bottom; and straps on the front and rear of the shock absorber for attachment to the shoe.
JOSEPH ALBERT. ARTHUR GINSBURG.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US443194A US2345085A (en) | 1942-05-16 | 1942-05-16 | Shock absorber for parachute jumpers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US443194A US2345085A (en) | 1942-05-16 | 1942-05-16 | Shock absorber for parachute jumpers |
Publications (1)
Publication Number | Publication Date |
---|---|
US2345085A true US2345085A (en) | 1944-03-28 |
Family
ID=23759778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US443194A Expired - Lifetime US2345085A (en) | 1942-05-16 | 1942-05-16 | Shock absorber for parachute jumpers |
Country Status (1)
Country | Link |
---|---|
US (1) | US2345085A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2939704A (en) * | 1958-07-15 | 1960-06-07 | Charles P Pond | Athletic training accessory |
US3444631A (en) * | 1966-03-24 | 1969-05-20 | Norman A Macleod | Apparatus for resilient locomotion |
US4669722A (en) * | 1983-02-23 | 1987-06-02 | Avvari Rangaswamy | Antistasis device |
US5016869A (en) * | 1989-07-05 | 1991-05-21 | Applied Motion | Human bipedal locomotion device |
US5464380A (en) * | 1993-03-31 | 1995-11-07 | Agency Of Industrial Science & Technology | Shoe sole for leg apparatus |
US6719671B1 (en) * | 1999-07-20 | 2004-04-13 | Boeck Alexander | Device for helping a person to walk |
US20070084305A1 (en) * | 2005-10-18 | 2007-04-19 | Pal Anadish K | Pedal-wound step-conveying devices |
US20110092339A1 (en) * | 2008-01-31 | 2011-04-21 | Jeffrey David Stewart | Exercise apparatuses and methods of using the same |
US9247784B2 (en) | 2012-06-22 | 2016-02-02 | Jeffrey David Stewart | Wearable exercise apparatuses |
US10232221B1 (en) * | 2017-10-11 | 2019-03-19 | Daniel Grayston | Spring-loaded boot |
-
1942
- 1942-05-16 US US443194A patent/US2345085A/en not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2939704A (en) * | 1958-07-15 | 1960-06-07 | Charles P Pond | Athletic training accessory |
US3444631A (en) * | 1966-03-24 | 1969-05-20 | Norman A Macleod | Apparatus for resilient locomotion |
US4669722A (en) * | 1983-02-23 | 1987-06-02 | Avvari Rangaswamy | Antistasis device |
US5016869A (en) * | 1989-07-05 | 1991-05-21 | Applied Motion | Human bipedal locomotion device |
US5464380A (en) * | 1993-03-31 | 1995-11-07 | Agency Of Industrial Science & Technology | Shoe sole for leg apparatus |
US6719671B1 (en) * | 1999-07-20 | 2004-04-13 | Boeck Alexander | Device for helping a person to walk |
US20070084305A1 (en) * | 2005-10-18 | 2007-04-19 | Pal Anadish K | Pedal-wound step-conveying devices |
US20110092339A1 (en) * | 2008-01-31 | 2011-04-21 | Jeffrey David Stewart | Exercise apparatuses and methods of using the same |
US8617033B2 (en) * | 2008-01-31 | 2013-12-31 | Jeffrey David Stewart | Exercise apparatuses and methods of using the same |
US10493316B2 (en) | 2008-01-31 | 2019-12-03 | Jeffrey D. Stewart | Exercise apparatuses and methods of using the same |
US9247784B2 (en) | 2012-06-22 | 2016-02-02 | Jeffrey David Stewart | Wearable exercise apparatuses |
US10426997B2 (en) | 2012-06-22 | 2019-10-01 | Jeffrey D. Stewart | Wearable exercise apparatuses |
US10232221B1 (en) * | 2017-10-11 | 2019-03-19 | Daniel Grayston | Spring-loaded boot |
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