Carpet stretching device

Details Carpet stretching device Carpet stretching device

2006-11-28

2006-11-28

Matecki, Kathy (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Portable implements or apparatus for tensioning flexible...

Material comprises resilient floor covering

C254S228000, C294S008600

Reexamination Certificate

active

07140597

ABSTRACT:
A carpet stretching device includes a housing, a piston unit, a carpet gripping head connected to the housing, a fluid supply unit connected to the housing, and an anchor member. The housing has front and rear ends, and a receiving space between the front and rear ends. The piston unit includes a piston member disposed in the receiving space for moving relative to the housing, a piston rod extending out of the housing through the front end, and a biasing member provided between the rear end of the housing and the piston member. The anchor member is attached to a front end of the piston rod in front of the carpet gripping head.

REFERENCES:
patent: 4084787 (1978-04-01), Kowalczyk
patent: 4361311 (1982-11-01), Koroyasu et al.
patent: 4627653 (1986-12-01), Koroyasu
patent: 5145225 (1992-09-01), Muller et al.
patent: 5228660 (1993-07-01), Massicotte
patent: 6371446 (2002-04-01), Gauthier et al.
patent: 6692048 (2004-02-01), Martin
patent: 6698721 (2004-03-01), Martin

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