Expansible chamber devices – With inspection window in expansible chamber wall portion – With lock
Patent
1992-11-12
1994-01-18
Denion, Thomas E.
Expansible chamber devices
With inspection window in expansible chamber wall portion
With lock
92 88, 277DIG7, F01B 2526, F01B 2900
Patent
active
052792072
ABSTRACT:
A rodless cylinder includes a cylinder body, a piston, a sliding table, first and second sealing members, and pairs of first and second holding mechanisms. The cylinder body has a bore defined in a cylinder tube whose ends are closed and a slit which extends along the longitudinal direction thereof and enables the bore to communicate with the outside. The piston is reciprocatively moved within the bore. The sliding table is coupled to the piston by a connecting portion extending through the slit and moved according to the reciprocating motion of the piston. The first and second sealing members are brought into engagement with the piston and the sliding table to close the slit. The pairs of first and second holding mechanisms are located on both sides of the bore and mounted to the cylinder body and the sliding table. The pair of first holding mechanisms respectively has first support members and first movable members both used to guide the sliding table when the piston is reciprocated and to support a vertical load which acts on the sliding table. The pair of second holding mechanisms respectively has second support members and second movable members both capable of guiding the sliding table when the piston is reciprocated and supporting a horizontal load which acts on the sliding table, so as to prevent the inside diameter of the bore from varying.
REFERENCES:
patent: 2200427 (1940-05-01), Merz
patent: 3454242 (1969-07-01), Feder et al.
patent: 3820446 (1974-06-01), Granbom et al.
patent: 4373427 (1983-02-01), Garlapaty et al.
patent: 4555980 (1985-12-01), Hoglund
patent: 4664020 (1987-05-01), Kaiser
patent: 4685383 (1987-08-01), Rucher
patent: 4856415 (1989-08-01), Noda
Miyamoto Michikazu
Takada Yoshiyuki
Denion Thomas E.
SMC Kabushiki Kaisha
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