|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||303/71 ; 188/723 ; 188/170|
|발명자 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 0|
A brake mechanism includes a body and a piston movable relative thereto in braking and brake-releasing directions. A spring is disposed within a chamber defined by the body and piston to urge the piston in a brake-applying direction, and pressurized air may be selectively directed to such chamber to the piston in a brake-applying direction.
A brake mechanism comprising: a body; a piston movable relative to the body in a first braking direction and in a second brake-releasing direction, and defining with the body a first chamber; spring means disposed within the first chamber and operatively connected with the piston and body for urging the piston in a brake-applying direction; a first valve for selectively directing pressurized fluid into said first chamber to urge the piston in a brake-applying direction in addition to the urging thereof by the spring means, and for selectively allowing re...