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US3820130A Expired / Lapsed US ⏱️ 0.0 years remaining

Golf instruction device

Assignee: Individual
•
Filing: 1973-07-05
•
Granted: 1974-06-25
•
Expires: 1993-07-05
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Abstract

Abstract Apparatus is disclosed for golf instruction utilizing a golf club with illuminated lines for quickly available photographic recording and development with respect to a reference line, the recorded pattern of the swing before, when and after the club strikes the ball showing the nature of the swing, the position of the golf club head and the speed of the head.

Inventors

  • 👤 F Cornelison
  • 👤 R Turner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:30
CPC Classifications
A; A63; A63B; A63B24/00; A63B24/0003; A63B69/00; A63B69/36; G; G03; G03B; G03B15/00; G03B29/00; A63B2220/00; A63B2220/80; A63B2220/806; A63B69/3614

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 168 words
A golf instruction device comprising a golf club having a head with visible linear indicia on at least one face portion thereof, and means for photographically recording successive positions of the club head indicia upon movement of the club head, said means comprising a target with respect to which said club head is movable by a player, a camera member having a film holder and a shutter mechanism for successive exposure to said film holder corresponding to successive positions of the club head contiguous to said target, and a reflecting member in fixed relation to said target for image transfer of successive positions of said linear indicia in relation to the target to the camera member, said golf club head having visible linear indicia on a plurality of face portions thereof, said reflecting member being alinged for image transfer from one face portion of said club head, and an additional reflecting member for simultaneous image transfer to said camera from another related face portion of said club head.
Claim 2
Dependent Claim 168 words
A golf instruction device comprising a golf club having a head with visible linear indicia on at least one face portion thereof, and means for photographically recording successive positions of the club head indicia upon movement of the club head, said means comprising a target with respect to which said club head is movable by a player, a camera member having a film holder and a shutter mechanism for successive exposure to said film holder corresponding to successive positions of the club head contiguous to said target, and a reflecting member in fixed relation to said target for image transfer of successive positions of said linear indicia in relation to the target to the camera member, said golf club head having visible linear indicia on a plurality of face portions thereof, said reflecting member being alinged for image transfer from one face portion of said club head, and an additional reflecting member for simultaneous image transfer to said camera from another related face portion of said club head.
Claim 3
Dependent Claim 31 words
A golf instruction device as defined in claim 1 in which said camera has a lens system and a member for delivery of aligned images in spaced relation to said camera.
Claim 4
Dependent Claim 33 words
A golf instruction device as defined in claim 1 in which a time exposure shutter is provided for said camera, and means is provided to initiate opening movement of said time exposure shutter.
Claim 5
Dependent Claim 30 words
A golf instruction device as deFined in claim 3 in which said last mentioned means includes light sensitive elements responsive to movement of a portion of the golf club therebetween.
Claim 6
Dependent Claim 18 words
A golf instruction device as defined in claim 3 in which said time exposure shutter is motor operated.
Claim 7
Dependent Claim 30 words
A golf instruction device as defined in claim 1 in which said shutter mechanism includes a rotatable shutter disc with a plurality of slits therein for successive image transfer therethrough.
Claim 8
Dependent Claim 57 words
A golf instruction device as defined in claim 1 in which said golf club head has said visible indicia on a top and an edge face thereof, said reflecting member is aligned for image transfer from said top face, and an additional reflecting member is provided for simultaneous image transfer to said camera from said edge face.
Claim 9
Dependent Claim 36 words
A golf instruction device as defined in claim 7 in which said visible indicia includes a light source insertable in a portion of said golf club with light transmitting members interiorly disposed within said golf club.
Claim 10
Dependent Claim 49 words
A golf instruction device as defined in claim 1 in which a matte is provided for the reception of said target, a collapsible support is provided on which said camera member and one of said reflecting members are supported, and said other reflecting member is carried by said support.
Claim 11
Dependent Claim 26 words
A golf instruction device as defined in claim 5 in which a timing circuit including a time delay member is provided for said time exposure shutter.
Claim 12
Dependent Claim 41 words
A golf instruction device as defined in claim 1 in which said shutter mechanism includes an external shutter and a shutter member for transfer of spaced images to said camera, and said external shutter and said shutter member are motor operated.
Claim 13
Dependent Claim 24 words
A golf instruction device as defined in claim 11 in which a time delay circuit is provided controlling the motor for said external shutter.
Claim 14
Dependent Claim 21 words
A golf instruction device as defined in claim 1 in which electrical control means is provided for said first mentioned means.
Claim 15
Dependent Claim 19 words
A golf instruction device as defined in claim 13 in which said electrical control means includes a trigger circuit.
Claim 16
Dependent Claim 19 words
A golf instruction device as defined in claim 13 in which said electrical control means includes a timing circuit.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-24 1977-12-24 1978-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-24 1981-12-24 1982-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-24 1985-12-24 1986-06-25 $7700.00 Window Closed / Lapsed

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