Sewing – Elements – Frames
Patent
1994-10-12
1995-12-19
Crowder, C. D.
Sewing
Elements
Frames
108143, 292 87, D05B 7306, A47B 2900, E05C 1906
Patent
active
054760526
ABSTRACT:
A bed structure for an overlock machine comprises a fixed bed formed by connecting an extension bed to a portion of the front side of a main bed, a substantially box-shaped free arm cover transversely slidably and removably disposed contiguously with a main frame beside a throat plate so as to cover a looper; and a substantially U-shaped auxiliary bed having a front portion, a side portion and a rear portion, disposed so as to surround all sides of of the free arm cover excluding one side of the free arm cover adjacent to the main frame with the front portion thereof inserted in a gap between the extension bed and the free arm cover and with the end surfaces of the lower wall and the lower side wall of the side portion thereof in contact with the side surfaces of the main frame and joined to the extension bed with a horizontal land portion formed in the surface of the front portion thereof fitted in a horizontal groove formed in the corresponding surface of the extension bed so as to be transversely movable relative to the extension bed.
REFERENCES:
patent: 2791066 (1955-09-01), Budzinski
patent: 3344762 (1967-10-01), Szostak et al.
patent: 3923347 (1975-12-01), Dean
patent: 4058072 (1977-11-01), Ishikawa et al.
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patent: 4426944 (1984-01-01), Bianchi
patent: 4565142 (1986-01-01), McGann
patent: 4655151 (1987-04-01), Alberti et al.
Kojima Shinji
Mizunuma Masanori
Nakayama Koichi
Crowder C. D.
Izaguirre Ismael
The Singer Company N.V.
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