Measuring and testing – Speed – velocity – or acceleration – With means for retaining reading
Patent
1996-02-01
1997-07-08
Oda, Christine K.
Measuring and testing
Speed, velocity, or acceleration
With means for retaining reading
473233, G01P 1504
Patent
active
056463456
ABSTRACT:
An acceleration responsive device 30 includes a support 34 which supports a rod 46 between two spaced portions of the support. A weighted disc 48 is mounted for movement on the rod and is held by a spring 128 at one end of the rod 46. An indicator 50 is also mounted for movement on the rod 46 adjacent disc 48. A tube 62 is coupled to support 34 to facilitate swinging movement of the device 30 where, due to the acceleration thereof, disc 48 is moved along rod 46 and pushes indicator 50 along the rod. When the swinging movement ceases, disc 48 is returned to the one end of rod 46 and indicator 50 remains at the position to which it was moved. A scale reading of a decal 89 adjacent the moved indicator 50 provides a indication of the acceleration attained during the swinging of device 30. This reading can be applied to a graph to assist the user of device 30 in the selection of golf clubs having a shaft stiffness most appropriate for the user.
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patent: 4470302 (1984-09-01), Carte
patent: 4878672 (1989-11-01), Lukasiewicz
patent: 4967596 (1990-11-01), Rilling et al.
patent: 4991850 (1991-02-01), Wilhelm
Emhart Inc
Murphy E. D.
Oda Christine K.
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