Patent ID: 8661616
Filing Date: 2014-03-04
Classification: E05B,E05C,E05F,E05Y,Y10T

Abstract:
1. A door closer comprising: an elongated cylinder forming a piston chamber, a piston reciprocally mounted within the piston chamber; a piston rod connected to said piston; a compression spring placed within the piston chamber; a latching washer placed on said piston rod; a lever placed adjacent said latching washer whereby said lever can be rotated into an armed position adjacent to said latching washer; a flat-profile spring extending around a substantial portion of the exterior surface of said lever, said flat-profile spring having a trigger end contacting said latching washer when in an armed position; a friction portion of said flat-profile spring contacting a surface stationary relative to said elongated cylinder, whereby said friction portion holds said flat-profile spring in the armed position; and a recoil spring placed around said piston rod and biasing said latching washer toward an end wall of said elongated cylinder, whereby once said door closer is armed said piston rod may be held in a position and easily released.