Undertaking
Patent
1978-08-21
1980-06-17
Marlo, George J.
Undertaking
272DIG5, 73709, A63B 6932
Patent
active
042080487
ABSTRACT:
Apparatus for use in developing boxing technique to indicate punching power during work-outs with practice equipment, includes a practice bag or the like having a punch-receiving area including pneumatic structure with connection through a releasible check-valve to a pressure gauge oriented for visibility by the person practicing.
In a preferred embodiment, a pneumatic compartment, in the form of a slip on accessory, overlies the full length of the bag.
REFERENCES:
patent: 694335 (1902-02-01), Thenan
patent: 750593 (1904-01-01), Cady
patent: 1044987 (1912-11-01), Campbell
patent: 2708367 (1955-05-01), Lusk
patent: 4108428 (1978-08-01), Winterbottom
Marlo George J.
McClellan, Sr. John F.
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