Frame floor pump having universal joint unit

Details Frame floor pump having universal joint unit Frame floor pump having universal joint unit

2011-04-26

2011-04-26

Kramer, Devon C (Department: 3746)

Pumps

Ambulant, body supported, or with carrying handle

Reexamination Certificate

active

07931451

ABSTRACT:
A frame floor pump having a universal joint unit includes a cylinder defining a through hole on an end thereof, an universal joint unit including a shaft received in the through hole of the cylinder, a joint having a first end connecting to the shaft and a second end, and a pipe forming a connecting portion extending therefrom and mounted in the second end of the joint. The joint drives the shaft to turn in the through hole of the cylinder and pivots to various positions with the connecting portion. Hence, the universal joint unit could pivot to any position as a requirement of users.

REFERENCES:
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patent: 2439796 (1948-04-01), Dearsley
patent: 3168872 (1965-02-01), Pinkerton
patent: 4615802 (1986-10-01), Harbaugh
patent: 5347913 (1994-09-01), Stepner
patent: 5423560 (1995-06-01), Warrick et al.
patent: 5683234 (1997-11-01), Chuang et al.
patent: 5947706 (1999-09-01), Gapinski
patent: 6558129 (2003-05-01), Wang
patent: 2276388 (1999-12-01), None
TW M 278776, 4 pages.

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