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US4365800A Expired / Lapsed US ⏱️ 0.0 years remaining

Martial arts striker device

Assignee: Individual
•
Filing: 1979-10-17
•
Granted: 1982-12-28
•
Expires: 1999-10-17
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Abstract

Abstract A device comprising mounting means, a striker member which is adapted to be struck by a limb of a person, and locking means for locking the striker member in position until such time as the striker member is struck with a force which is sufficiently large to operate the locking means whereupon the striker member will move under the force of the blow from the person's limb.

Inventors

  • 👤 Hugh W. Hay
  • 👤 John L. Hay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:01
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/20; A63B2244/00; A63B2244/10

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 267 words
A device comprising a frame, a striker member having first and second parts which are each pivotally mounted to the frame, and locking means for locking the first and the second parts of the striker member together until the striker member is struck by a limb of a person with a force which is sufficiently large to operate the locking means whereupon the first and the second parts of the striker member will separate and pivot about the frame, the locking means having a first lock portion which is secured to the first part of the striker member and a second lock portion which is secured to the second part of the striker member, the first lock portion having a lip protruding therefrom and the second lock portion comprising a part secured to the second part of the striker member, and having a bore formed therein, a rod member having a head with a slot formed therein for receiving the lip, a rod protruding from the head and having a groove formed therein, said rod being rotatable is said bore, and a ball member which is biased into position in the groove, whereby the ball member acts in the groove to maintain the first and second parts of the striker member together until such time as the striker member is struck with the said sufficiently large force whereupon the ball member is caused to move out of the groove to allow said rod to rotate in said bore thereby allowing the first and the second parts of the striker member to separate and pivot about the frame.
Claim 2
Independent Claim 267 words
A device comprising a frame, a striker member having first and second parts which are each pivotally mounted to the frame, and locking means for locking the first and the second parts of the striker member together until the striker member is struck by a limb of a person with a force which is sufficiently large to operate the locking means whereupon the first and the second parts of the striker member will separate and pivot about the frame, the locking means having a first lock portion which is secured to the first part of the striker member and a second lock portion which is secured to the second part of the striker member, the first lock portion having a lip protruding therefrom and the second lock portion comprising a part secured to the second part of the striker member, and having a bore formed therein, a rod member having a head with a slot formed therein for receiving the lip, a rod protruding from the head and having a groove formed therein, said rod being rotatable is said bore, and a ball member which is biased into position in the groove, whereby the ball member acts in the groove to maintain the first and second parts of the striker member together until such time as the striker member is struck with the said sufficiently large force whereupon the ball member is caused to move out of the groove to allow said rod to rotate in said bore thereby allowing the first and the second parts of the striker member to separate and pivot about the frame.
Claim 3
Dependent Claim 32 words
A device according to claim 1 in which the groove is a spiral groove, and in which the ball member is biased into position in the spiral groove by a coil spring.

References Cited (Backward Citations)

US2767985A Cited
US3610615A Cited
US4004799A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-12-27 1986-06-28 1986-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-12-27 1990-06-28 1990-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-12-27 1994-06-28 1994-12-28 $7700.00 Window Closed / Lapsed

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