Implements or apparatus for applying pushing or pulling force – Resilient tire-casing spreaders
Patent
1975-01-02
1976-04-27
Smith, Al Lawrence
Implements or apparatus for applying pushing or pulling force
Resilient tire-casing spreaders
A47G 2704
Patent
active
039529975
ABSTRACT:
Two standard pieces of lumber, called stretcher arms, are converted into a carpet stretching tool with a kit including a gripping head, a foot piece, and a pivot assembly. The gripping head is connected to one of the stretcher arms and has spikes which embed in a carpet. The foot piece is connected to the other arm and has a surface adapted to abut a wall adjacent the carpet. The pivot means includes a pair of clamps which tightly embrace the two stretcher arms and a bolt extended through clamps outwardly from the arms to enable the clamps and arms to pivot relative to each other. When a downwardly directed force is applied to the arms at the pivot assembly to cause the included angle between the arms to increase, the gripping head moves away from the foot piece and stretches the carpet.
REFERENCES:
patent: 226917 (1880-04-01), Fay
patent: 231666 (1880-08-01), Heintz
patent: 501617 (1893-07-01), Hankey
patent: 515995 (1894-03-01), Cooper
patent: 681257 (1901-08-01), Parrott
Smith Al Lawrence
Watson Robert C.
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